Certified Nutrition Support Clinician (CNSC) β Questions and Answers
Question 1: When using a combination of hearing protectors (earplugs and earmuffs together), how is the effective NRR calculated?
- The higher NRR device is used alone and the other is ignored
- The two NRR values are added together for a combined total
- Multiply the two NRR values to determine combined protection
- Add 5 dB to the higher NRR rather than adding both values together (Correct answer)
Correct answer: Add 5 dB to the higher NRR rather than adding both values together
When dual hearing protection is used, OSHA and NIOSH recommend adding only 5 dB to the higher NRR value, as the skull itself becomes a sound conduction path limiting additional attenuation.
Question 2: The following are the liver cirrhosis's clinical symptoms.
- Abnormal swelling
- Sleeping
- Ascites and hypoalbuminemia (Correct answer)
- Fat malabsorption
Correct answer: Ascites and hypoalbuminemia
Liver cirrhosis impairs the liver's ability to synthesize albumin, a critical protein for maintaining oncotic pressure, leading to hypoalbuminemia. This low albumin level causes fluid to leak from blood vessels into the abdominal cavity, resulting in ascites. Therefore, ascites and hypoalbuminemia are key clinical indications of liver cirrhosis.
Question 3: Which OSHA standard requires a written emergency action plan (EAP) for workplaces with more than 10 employees?
- 29 CFR 1910.38 (Correct answer)
- 29 CFR 1910.36
- 29 CFR 1910.165
- 29 CFR 1910.119
Correct answer: 29 CFR 1910.38
29 CFR 1910.38 requires covered employers with more than 10 employees to maintain a written emergency action plan.
Question 4: High-visibility safety apparel (HVSA) is classified under ANSI/ISEA 107. Which class is required for workers exposed to high-speed traffic environments such as highway construction zones?
- Class 3 β highest visibility for high-risk environments (Correct answer)
- Class 0 β reflective vest for low-light only
- Class 2 β significant risk with moderate traffic
- Class 1 β minimal risk environment
Correct answer: Class 3 β highest visibility for high-risk environments
ANSI/ISEA 107 Class 3 provides the greatest amount of high-visibility material and retroreflectivity, required where workers are exposed to high-speed vehicle traffic.
Question 5: What is the primary purpose of the 'space cushion' concept in defensive driving?
- To reduce fuel consumption by drafting
- To allow other drivers to merge more easily
- To comply with minimum following distance laws
- To provide time and space to react to unexpected hazards (Correct answer)
Correct answer: To provide time and space to react to unexpected hazards
A space cushion gives you reaction time and maneuvering room to avoid crashes when hazards appear suddenly.
Question 6: A worker must enter a confined space with limited openings that may contain hazardous atmospheres. What is required?
- Lockout/tagout authorization
- Elevated work permit
- Hot work permit
- Confined space entry permit (Correct answer)
Correct answer: Confined space entry permit
A confined space entry permit is required before entering permit-required confined spaces to document safety precautions.
Question 7: What is the danger zone around a school bus when it is stopped with flashing red lights?
- The area within 10 feet of the bus on all sides (Correct answer)
- 5 feet on each side
- 10 feet in front and behind
- Only the lane directly behind the bus
Correct answer: The area within 10 feet of the bus on all sides
The 10-foot danger zone surrounds all sides of the bus where children are most at risk of not being seen by the driver.
Question 8: Which step should IMMEDIATELY follow hazard recognition according to the NSC safety process?
- Purchase new PPE for all workers
- Notify OSHA of the finding
- Evaluate the risk level of the hazard (Correct answer)
- Document the hazard in the OSHA 300 log
Correct answer: Evaluate the risk level of the hazard
After recognizing a hazard, evaluating its riskβconsidering likelihood and severityβguides the selection of appropriate controls.
Question 9: Which of the following distractions is classified as 'cognitive' in NSC's distracted driving framework?
- Adjusting the radio dial
- Eating while driving
- Looking at a map on the dashboard
- Talking hands-free on a cell phone (Correct answer)
Correct answer: Talking hands-free on a cell phone
Hands-free calls are cognitive distractions because mental focus shifts away from driving even though hands remain on the wheel.
Question 10: When counseling workers about reducing cardiovascular risk through diet, which type of fat should be most limited?
- Omega-3 fatty acids
- Polyunsaturated fat
- Trans fat (Correct answer)
- Monounsaturated fat
Correct answer: Trans fat
Trans fats raise LDL (bad) cholesterol and lower HDL (good) cholesterol, significantly increasing cardiovascular disease risk.
Question 11: What should a worker do FIRST upon discovering an uncontrolled hazardous chemical spill?
- Dilute the spill with water to reduce concentration
- Evacuate the area and notify the supervisor or emergency response team (Correct answer)
- Check the SDS before taking any action
- Immediately begin cleaning the spill with absorbents
Correct answer: Evacuate the area and notify the supervisor or emergency response team
The first priority in an uncontrolled spill is to evacuate and alert emergency responders to prevent further injury.
Question 12: What should a rescuer do if they are unable or unwilling to give rescue breaths during CPR?
- Perform CPR at half the normal rate
- Give breaths only without compressions
- Stop and wait for EMS
- Perform hands-only (compression-only) CPR (Correct answer)
Correct answer: Perform hands-only (compression-only) CPR
Hands-only CPR (continuous chest compressions without rescue breaths) is effective and recommended when a rescuer cannot or will not give breaths.
Question 13: Which burn classification involves damage through all skin layers, possibly into muscle or bone?
- Partial thickness (second-degree)
- Full thickness (third-degree) (Correct answer)
- Subdermal (fourth-degree)
- Superficial (first-degree)
Correct answer: Full thickness (third-degree)
Full thickness (third-degree) burns destroy all layers of the skin and may involve underlying tissue, muscle, or bone.
Question 14: Under OSHA's Lockout/Tagout standard, which step must be performed FIRST in an energy control procedure?
- Identify all energy sources (Correct answer)
- Apply lockout/tagout devices
- Notify affected employees
- Verify zero energy state
Correct answer: Identify all energy sources
The first step in LOTO is to identify all energy sources (electrical, hydraulic, pneumatic, etc.) before any other action.
Question 15: How often should portable fire extinguishers in a workplace be visually inspected according to OSHA and NFPA 10?
- Weekly
- Monthly (Correct answer)
- Annually
- Quarterly
Correct answer: Monthly
NFPA 10 and OSHA 1910.157 require portable fire extinguishers to be visually inspected at least monthly.
Question 16: What is the maximum free-fall distance allowed by OSHA when using a personal fall arrest system?
- 10 feet
- 6 feet (Correct answer)
- 3.5 feet
- 12 feet
Correct answer: 6 feet
OSHA limits free fall to 6 feet or less when using a PFAS to cap the forces experienced during arrest.
Question 17: Per NSC recommendations, what is the first step in a fall protection hierarchy before selecting equipment?
- Eliminate the fall hazard entirely (Correct answer)
- Write a rescue plan
- Install guardrails
- Select appropriate PPE
Correct answer: Eliminate the fall hazard entirely
The hierarchy of controls places hazard elimination first β redesigning tasks or structures so the fall hazard no longer exists β before any protective measures.
Question 18: What is the purpose of a fire watch?
- To guard fire extinguishers during a shift
- To count the number of employees during evacuation
- To monitor an area for fire after hot work is completed (Correct answer)
- To inspect sprinkler heads quarterly
Correct answer: To monitor an area for fire after hot work is completed
A fire watch involves a designated person monitoring an area for fire hazards after hot work operations such as welding.
Question 19: What information must be documented in a fall protection plan for steel erection work?
- Identification of fall hazards, selected methods, and rescue procedures (Correct answer)
- Worker performance reviews
- Cost estimates for fall protection equipment
- Union labor agreements
Correct answer: Identification of fall hazards, selected methods, and rescue procedures
A fall protection plan must identify each fall hazard, specify the fall protection method selected, and include procedures for prompt rescue of fallen workers.
Question 20: Which type of anchorage must be used when a single worker is attached and requires the anchorage to support fall arrest forces?
- Any fixed point approved by a supervisor
- An anchorage capable of supporting 5,000 lbs per attached worker (Correct answer)
- Any structural beam rated 1,000 lbs
- A beam clamp attached to a 2-inch steel pipe
Correct answer: An anchorage capable of supporting 5,000 lbs per attached worker
OSHA requires fall arrest anchorages to support at least 5,000 pounds per worker attached, or be designed with a safety factor of 2 by a qualified engineer.
Question 21: Which of the following is the most appropriate immediate action when a client discloses active suicidal ideation with a plan during a clinical evaluation?
- Schedule a follow-up appointment for next week
- Conduct a thorough risk assessment and initiate a safety plan or emergency referral (Correct answer)
- Document and continue the evaluation
- Notify the client's employer
Correct answer: Conduct a thorough risk assessment and initiate a safety plan or emergency referral
Active suicidal ideation with a plan requires immediate risk assessment and implementation of a safety plan or emergency intervention to protect the client's life.
Question 22: What is the purpose of establishing a 'chief complaint' at the start of a clinical evaluation?
- To capture the client's primary concern in their own words (Correct answer)
- To assign a DSM-5 diagnosis immediately
- To determine treatment length
- To satisfy billing requirements
Correct answer: To capture the client's primary concern in their own words
The chief complaint documents the client's own description of why they are seeking help, anchoring the evaluation in their perspective.
Question 23: At what minimum height above a lower level does OSHA require fall protection in general industry?
- 6 feet
- 4 feet (Correct answer)
- 10 feet
- 8 feet
Correct answer: 4 feet
OSHA's general industry standard (29 CFR 1910) requires fall protection when workers are exposed to falls of 4 feet or more.
Question 24: What is a Noise Reduction Rating (NRR) in the context of hearing protection?
- The decibel level at which hearing protection is mandatory
- A measure of how effectively a hearing protector reduces noise exposure (Correct answer)
- The maximum noise level a hearing protector can withstand
- The OSHA permissible exposure limit for noise
Correct answer: A measure of how effectively a hearing protector reduces noise exposure
NRR is a unit of measurement that quantifies the effectiveness of hearing protection devices in reducing sound exposure to the wearer.
Question 25: When a patient consumes anti-HIV Zerit, it may result in:
- Malnutrition
- Malaria
- Lipodystrophy (Correct answer)
- Headache
Correct answer: Lipodystrophy
Zerit (stavudine) is a nucleoside reverse transcriptase inhibitor (NRTI) that was commonly used in early HIV treatment regimens. A well-documented and significant side effect associated with Zerit, particularly among older generation NRTIs, is lipodystrophy. This condition involves an abnormal redistribution of body fat, often characterized by fat loss in the face and limbs (lipoatrophy) and fat accumulation in areas like the abdomen or neck.
Question 26: Which dietary component is the body's preferred fuel source during high-intensity physical labor?
- Dietary fat
- Alcohol
- Protein
- Carbohydrates (Correct answer)
Correct answer: Carbohydrates
Carbohydrates are broken down into glucose, which is the preferred and most rapidly available fuel for high-intensity muscular work.
Question 27: Which element is NOT required to be included on a GHS-compliant hazard label?
- Precautionary statements
- Signal word
- Manufacturer's annual revenue (Correct answer)
- Hazard pictograms
Correct answer: Manufacturer's annual revenue
GHS labels must include product identifier, signal word, hazard statements, precautionary statements, pictograms, and supplier info β not financial data.
Question 28: What does the acronym SAMPLE stand for in patient assessment?
- Signs, Allergies, Medications, Past history, Last oral intake, Events
- Signs, Age, Medical history, Pulse, Level of consciousness, Environment
- Symptoms, Assessment, Medications, Pain, Location, Examination
- Symptoms, Allergies, Medications, Pertinent history, Last meal, Events (Correct answer)
Correct answer: Symptoms, Allergies, Medications, Pertinent history, Last meal, Events
SAMPLE stands for Symptoms, Allergies, Medications, Pertinent history, Last oral intake, and Events leading to the emergency.
Question 29: For a worker managing type 2 diabetes, which meal strategy is most important during a work shift?
- Consuming regular, balanced meals and snacks to stabilize blood glucose (Correct answer)
- Avoiding all carbohydrates during the shift
- Drinking juice frequently to prevent hypoglycemia
- Eating one large meal to simplify scheduling
Correct answer: Consuming regular, balanced meals and snacks to stabilize blood glucose
Consistent meal timing with balanced macronutrients prevents dangerous blood glucose fluctuations in workers with type 2 diabetes.
Question 30: What is the NSC's primary concern regarding energy drink consumption in the workplace?
- They are too expensive for workers
- They are not regulated by any agency
- High caffeine and sugar content may cause energy crashes and impaired alertness (Correct answer)
- They increase worker productivity too much
Correct answer: High caffeine and sugar content may cause energy crashes and impaired alertness
Energy drinks with high caffeine and sugar can cause initial stimulation followed by a crash, ultimately impairing the alertness and reaction time needed for safe work.
Question 31: With one exception, all of these are mediated by the digestive hormone gastrin.
- Reduced of pepsinogen production by the stomach (Correct answer)
- Increased in pressure of esophageal sphincter
- Increase of HCL
- Increased gallbladder contraction
Correct answer: Reduced of pepsinogen production by the stomach
Gastrin is a digestive hormone primarily responsible for stimulating gastric acid (HCl) secretion by parietal cells and increasing pepsinogen secretion by chief cells. It also enhances gastric motility and increases the pressure of the lower esophageal sphincter. Therefore, reducing pepsinogen production is an untrue statement regarding gastrin's actions, as it actually increases it.
Question 32: What is the recommended rate of chest compressions per minute for CPR?
- 120β140 per minute
- 100β120 per minute (Correct answer)
- 60β80 per minute
- 80β100 per minute
Correct answer: 100β120 per minute
CPR should be performed at a rate of 100 to 120 compressions per minute to optimize blood circulation.
Question 33: What is the value of continuing education in defensive driving for NSC professionals?
- It is primarily a social activity
- It is only needed for recertification
- It replaces workplace experience
- It keeps professionals current with evolving standards and practices (Correct answer)
Correct answer: It keeps professionals current with evolving standards and practices
Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.
Question 34: Which MSD is characterized by numbness, tingling, and pain in the thumb, index, and middle fingers due to nerve compression at the wrist?
- Lateral epicondylitis
- Trigger finger
- Carpal tunnel syndrome (Correct answer)
- De Quervain's tenosynovitis
Correct answer: Carpal tunnel syndrome
Carpal tunnel syndrome results from compression of the median nerve within the carpal tunnel, causing symptoms in the thumb, index, and middle fingers.
Question 35: Which component of a personal fall arrest system (PFAS) absorbs energy and limits the force on the worker during a fall?
- Full-body harness
- Self-retracting lifeline
- Shock-absorbing lanyard (Correct answer)
- Anchorage connector
Correct answer: Shock-absorbing lanyard
A shock-absorbing lanyard contains a deceleration device that deploys during a fall, extending the stop distance and reducing peak arrest forces.
Question 36: In the context of NSC clinical evaluation, what does 'level of care' determination refer to?
- The severity of the counselor's caseload
- The number of sessions covered by a managed care plan
- The client's insurance coverage tier
- Matching a client to the appropriate treatment intensity based on assessment findings (Correct answer)
Correct answer: Matching a client to the appropriate treatment intensity based on assessment findings
Level of care determination uses ASAM criteria to match clients to the least restrictive but most appropriate treatment setting based on their clinical needs.
Question 37: Which of the following is a key principle of the 'Run, Hide, Fight' response to an active shooter event?
- Immediately call news media to broadcast your location
- Always attempt to negotiate with the shooter first
- Evacuate if safely possible; if not, hide; fight only as a last resort (Correct answer)
- Remain visible so law enforcement can locate you
Correct answer: Evacuate if safely possible; if not, hide; fight only as a last resort
The Run, Hide, Fight protocol prioritizes escaping if possible, hiding if escape is not an option, and only fighting as an absolute last resort.
Question 38: What minimum tensile strength must a top rail of a guardrail system be able to withstand per OSHA construction standards?
- 200 lbs outward or downward (Correct answer)
- 100 lbs in any direction
- 350 lbs at any point
- 500 lbs at mid-span
Correct answer: 200 lbs outward or downward
OSHA requires construction guardrail top rails to withstand at least 200 pounds of force applied outward or downward at any point.
Question 39: Which approach best describes a 'nudge' in a workplace nutrition intervention?
- Fining workers for poor dietary choices
- Placing fruits and vegetables at eye level in the cafeteria (Correct answer)
- Prohibiting unhealthy foods entirely
- Requiring nutrition classes for all employees
Correct answer: Placing fruits and vegetables at eye level in the cafeteria
A nudge subtly changes the environment to make healthier choices easier without restricting freedom, such as positioning healthy foods prominently.
Question 40: What does SIPDE stand for in the defensive driving decision-making process?
- Slow, Inspect, Position, Drive, Exit
- Speed, Identify, Predict, Decide, Execute
- See, Indicate, Proceed, Decelerate, Evaluate
- Scan, Identify, Predict, Decide, Execute (Correct answer)
Correct answer: Scan, Identify, Predict, Decide, Execute
SIPDE β Scan, Identify, Predict, Decide, Execute β is a systematic process for managing driving hazards.
Question 41: Which of the following would be considered a biological hazard in a healthcare setting?
- Loud alarm systems
- Bloodborne pathogen exposure from needlestick injuries (Correct answer)
- Heavy lifting of patients
- Slippery floors from mopping
Correct answer: Bloodborne pathogen exposure from needlestick injuries
Bloodborne pathogens transmitted through needlestick injuries are a recognized biological hazard in healthcare.
Question 42: What role does collaboration play in defensive driving for NSC professionals?
- It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
- It reduces individual accountability
- It is only needed in emergencies
- It slows down work unnecessarily
Correct answer: It enhances outcomes through diverse perspectives and shared expertise
Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.
Question 43: At what current level (in milliamps) can electrical shock cause ventricular fibrillation in the human heart?
- 500 mA
- 1 mA
- 100 mA (Correct answer)
- 10 mA
Correct answer: 100 mA
Currents as low as 100 milliamps (0.1 ampere) passing through the chest region can cause ventricular fibrillation and death.
Question 44: What is the purpose of an Arc Flash Risk Assessment in the workplace?
- To certify electricians for high-voltage work
- To document the age of electrical equipment in the facility
- To identify the incident energy levels of electrical equipment and determine required PPE (Correct answer)
- To audit fire suppression systems near electrical panels
Correct answer: To identify the incident energy levels of electrical equipment and determine required PPE
An arc flash risk assessment determines the energy level of potential arc flash events and the appropriate PPE category required.
Question 45: Which professional attribute is most valued in emergency preparedness within the NSC field?
- Avoiding challenging situations
- Working in isolation
- Prioritizing personal convenience
- Accountability and commitment to standards (Correct answer)
Correct answer: Accountability and commitment to standards
Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.
Question 46: What does OSHA require employers to do within 24 hours of a work-related inpatient hospitalization, amputation, or eye loss?
- Suspend all operations
- Report the incident to OSHA (Correct answer)
- File OSHA Form 301
- Conduct a third-party investigation
Correct answer: Report the incident to OSHA
OSHA requires employers to report inpatient hospitalizations, amputations, or eye losses within 24 hours of learning about them.
Question 47: Scaly, dry skin may be an indicator of malnutrition when conducting a physical examination that focuses on nutrition.
- Cholesterol deficieny
- Essential fatty acid deficiency (Correct answer)
- Protein deficiency
- Vitamin A toxicity
Correct answer: Essential fatty acid deficiency
Essential fatty acids (EFAs) are crucial for maintaining the integrity and function of skin cell membranes and the skin's barrier function. A deficiency in EFAs, particularly linoleic acid, can lead to impaired skin health, manifesting as characteristic symptoms like scaly, dry, and flaky skin, often accompanied by dermatitis.
Question 48: What is the purpose of the 'head-tilt chin-lift' maneuver?
- To open the airway by moving the tongue away from the throat (Correct answer)
- To check for spinal injuries
- To position the patient for chest compressions
- To stimulate breathing in an unconscious patient
Correct answer: To open the airway by moving the tongue away from the throat
The head-tilt chin-lift opens the airway by lifting the chin, which moves the tongue away from the back of the throat.
Question 49: A newly hired worker is most at risk for workplace injury during which period?
- After five years of service
- During the first days and weeks on the job (Correct answer)
- After returning from vacation
- During mandatory overtime shifts
Correct answer: During the first days and weeks on the job
New workers lack familiarity with workplace hazards, equipment, and procedures, making the first weeks the highest-risk period.
Question 50: A victim has a suspected spinal injury. How should you open the airway?
- Tilt the head back as far as possible
- Turn their head to the side
- Jaw thrust maneuver without head movement (Correct answer)
- Head-tilt chin-lift method
Correct answer: Jaw thrust maneuver without head movement
The jaw thrust maneuver opens the airway while minimizing spinal movement, making it the preferred method when spinal injury is suspected.
Question 51: Which of the following is an early sign of increased intracranial pressure (ICP)?
- Altered level of consciousness and severe headache (Correct answer)
- Bradycardia with widened pulse pressure (Cushing's triad)
- Bilateral fixed and dilated pupils
- Hypotension and tachycardia
Correct answer: Altered level of consciousness and severe headache
Early signs of increased ICP include altered mental status and severe headache before progressing to Cushing's triad and herniation signs.
Question 52: According to NSC and OSHA guidelines, a written PPE program must include which of the following elements?
- Environmental impact statements for PPE disposal
- Employee medical records and fitness-for-duty evaluations
- Hazard assessment, PPE selection, training, and program evaluation (Correct answer)
- A list of PPE vendors and their pricing
Correct answer: Hazard assessment, PPE selection, training, and program evaluation
A complete PPE program must address hazard assessment, selection of appropriate PPE, employee training, and periodic evaluation of the program's effectiveness.
Question 53: In the early postburn phase, what is a tolerable protein level for a patient with a 50% TBSA?
- 2.0-2.5 grams per kg (Correct answer)
- 1.0-1.2 grams per kg
- 1.2-1.5 grams per kg
- 1.5-2.0 grams per kg
Correct answer: 2.0-2.5 grams per kg
Patients with severe burns, such as a 50% TBSA, experience a profound hypermetabolic and hypercatabolic response, leading to significant protein breakdown and increased nitrogen losses. To counteract this catabolism, support wound healing, and maintain immune function, very high protein intakes, typically in the range of 2.0-2.5 grams per kg of body weight, are required in the early postburn phase.
Question 54: What is the 'two-second rule' designed to measure?
- Minimum following distance expressed in time (Correct answer)
- Reaction time after seeing a hazard
- Time allowed to clear an intersection
- Time between checking mirrors
Correct answer: Minimum following distance expressed in time
The two-second rule ensures a minimum safe following distance expressed as time rather than feet, which adjusts automatically for speed.
Question 55: What role does documentation play in NSC compliance?
- It provides evidence of adherence to standards (Correct answer)
- It replaces practical competency
- It is optional
- It is only needed for audits
Correct answer: It provides evidence of adherence to standards
Documentation provides verifiable evidence that standards and regulations are being followed, serving as proof of compliance.
Question 56: A victim is choking and can still cough forcefully. What is the appropriate first response?
- Encourage the victim to keep coughing (Correct answer)
- Perform abdominal thrusts immediately
- Call 9-1-1 and wait
- Begin back blows
Correct answer: Encourage the victim to keep coughing
If a choking victim can cough forcefully, encourage them to continue coughing, as it is the most effective way to dislodge the object.
Question 57: Which of the following gastrointestinal procedures has the greatest negative impact on one's ability to eat?
- Billroth I
- Ileal resection (Correct answer)
- Billroth II
- Jejunal resection
Correct answer: Ileal resection
The ileum is the final and longest section of the small intestine, playing a critical role in the absorption of key nutrients, including vitamin B12, bile salts, and fat-soluble vitamins. An ileal resection (surgical removal of part of the ileum) can severely impair these absorptive functions, leading to significant malabsorption and a higher risk of nutritional deficiencies compared to resections in other gastrointestinal areas, thus having the greatest negative impact on one's ability to eat and utilize nutrients.
Question 58: Which ergonomic hazard category does 'whole-body vibration' (WBV) fall under?
- Biological hazard
- Chemical hazard
- Psychosocial hazard
- Physical ergonomic hazard (Correct answer)
Correct answer: Physical ergonomic hazard
Whole-body vibration is classified as a physical ergonomic hazard, commonly affecting forklift operators and truck drivers.
Question 59: When treating a patient in anaphylactic shock, which medication is the first-line treatment?
- Albuterol inhaler
- Aspirin
- Diphenhydramine (Benadryl)
- Epinephrine (EpiPen) (Correct answer)
Correct answer: Epinephrine (EpiPen)
Epinephrine is the first-line treatment for anaphylaxis because it rapidly reverses severe allergic reactions.
Question 60: What is the recommended action when you experience a tire blowout at highway speed?
- Swerve toward the shoulder immediately
- Shift to a lower gear right away
- Brake hard immediately to stop quickly
- Grip the wheel firmly, ease off the gas, and steer straight while gradually braking (Correct answer)
Correct answer: Grip the wheel firmly, ease off the gas, and steer straight while gradually braking
Hard braking after a blowout can cause a spin; maintaining control and gradually decelerating keeps the vehicle stable.
Question 61: What is the recommended daily fiber intake for adults, as generally supported by U.S. dietary guidelines?
- 25β38 grams per day (Correct answer)
- 5β10 grams per day
- 10β15 grams per day
- 50β60 grams per day
Correct answer: 25β38 grams per day
U.S. dietary guidelines recommend 25 grams of fiber per day for women and 38 grams for men to support digestive health and reduce chronic disease risk.
Question 62: Which NSC-recommended practice helps prevent fires caused by combustible dust accumulation?
- Using only Class B extinguishers
- Regular housekeeping and dust collection system maintenance (Correct answer)
- Requiring PPE in all production areas
- Installing additional smoke detectors
Correct answer: Regular housekeeping and dust collection system maintenance
Regular housekeeping to remove combustible dust and maintaining dust collection systems are key NSC-recommended fire prevention practices.
Question 63: Which NSC-recommended practice should be followed when working in wet or damp locations with electrical equipment?
- Avoid using any electrical equipment in wet areas under all circumstances
- Dry hands before touching equipment and proceed normally
- Use GFCI-protected outlets and ensure all tools and cords are rated for wet locations (Correct answer)
- Use only battery-operated tools regardless of voltage rating
Correct answer: Use GFCI-protected outlets and ensure all tools and cords are rated for wet locations
GFCI protection combined with wet-location-rated equipment is the NSC-recommended approach for safe electrical work in damp environments.
Question 64: What does a Hazardous Materials Information System (HMIS) rating of '3' in the health category mean?
- Slight health hazard β minor irritation possible
- Serious health hazard β major injury possible with short-term exposure (Correct answer)
- Minimal hazard β no significant risk
- Severe health hazard β life-threatening with short-term exposure
Correct answer: Serious health hazard β major injury possible with short-term exposure
An HMIS health rating of 3 indicates a serious hazard where short-term exposure could cause serious, temporary or moderate residual injury.
Question 65: A victim is unresponsive and not breathing normally. After calling 911, what is the correct sequence to begin CPR?
- Give 2 rescue breaths, then start chest compressions
- Check for a pulse for at least 30 seconds before starting CPR
- Place the victim in the recovery position and wait for EMS
- Start chest compressions at a rate of 100-120 per minute (Correct answer)
Correct answer: Start chest compressions at a rate of 100-120 per minute
Begin CPR immediately with chest compressions at 100-120 per minute before giving rescue breaths.
Question 66: Which of the following is an example of an administrative control for hazard reduction?
- Substituting a less toxic chemical
- Providing respirators to employees
- Rotating workers to limit exposure time (Correct answer)
- Installing machine guards
Correct answer: Rotating workers to limit exposure time
Administrative controls change work processes or schedules, such as job rotation to reduce cumulative hazardous exposure.
Question 67: What does the Dietary Guidelines for Americans recommend as the daily limit for added sugars?
- Less than 10% of total daily calories (Correct answer)
- Less than 25% of total daily calories
- Less than 5% of total daily calories
- No specific limit is recommended
Correct answer: Less than 10% of total daily calories
The Dietary Guidelines for Americans recommend limiting added sugars to less than 10% of total daily caloric intake.
Question 68: What is the recommended way to signal for help if trapped under debris?
- Shout continuously until rescued
- Attempt to dig yourself out immediately
- Tap on pipes or walls using a steady pattern (Correct answer)
- Wave your arms to attract attention
Correct answer: Tap on pipes or walls using a steady pattern
Tapping on pipes or solid surfaces conserves energy and travels farther than shouting, helping rescuers locate you.
Question 69: The phenylketonuria test that is used to identify
- Guthrie test (Correct answer)
- Blood sample
- Genotype
- VPR
Correct answer: Guthrie test
The Guthrie test is a widely recognized and utilized screening method for diagnosing Phenylketonuria (PKU) in newborns. This test detects elevated levels of phenylalanine in a blood sample, indicating the genetic disorder where the body cannot properly metabolize this amino acid. Early diagnosis through the Guthrie test is crucial for initiating treatment and preventing severe neurological damage.
Question 70: A score of 20 or higher on the AUDIT indicates what level of risk?
- Hazardous drinking
- Abstinent
- Likely alcohol dependence (Correct answer)
- Harmful drinking
Correct answer: Likely alcohol dependence
AUDIT scores of 20β40 suggest likely alcohol dependence and warrant referral to a specialist for diagnosis and treatment.
Question 71: What does a red-tagged fire extinguisher indicate during an inspection?
- The extinguisher passed its annual inspection
- The extinguisher was recently refilled
- The extinguisher is out of service and must not be used (Correct answer)
- The extinguisher is designated for Class B fires only
Correct answer: The extinguisher is out of service and must not be used
A red tag on a fire extinguisher indicates it is out of service and requires maintenance before use.
Question 72: Which nutrient is most critical for wound healing after a workplace injury?
- Saturated fat
- Caffeine
- Protein (Correct answer)
- Carbohydrates
Correct answer: Protein
Protein provides the amino acids needed to rebuild damaged tissue and support immune function during wound healing.
Question 73: In NSC practice, what is the best approach to quality improvement in defensive driving?
- Make changes without measuring results
- Copy what other organizations do without analysis
- Use data-driven methods with measurable outcomes (Correct answer)
- Wait for problems to occur before acting
Correct answer: Use data-driven methods with measurable outcomes
Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.
Question 74: A construction worker exposed to lead should increase intake of which nutrient to help minimize lead absorption?
- Vitamin D
- Omega-6 fatty acids
- Zinc
- Calcium (Correct answer)
Correct answer: Calcium
Adequate calcium intake competes with lead for absorption in the gut, reducing the amount of lead that enters the bloodstream.
Question 75: Which approach best demonstrates mastery of hazard recognition in NSC practice?
- Relying entirely on technology
- Avoiding complex scenarios
- Applying principles to novel situations with sound judgment (Correct answer)
- Following procedures without understanding
Correct answer: Applying principles to novel situations with sound judgment
True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.
Question 76: What is the minimum number of AED pads needed, and where are they placed on an adult?
- Three pads in a triangular pattern
- One pad on the center of the chest
- Two pads β both on the left side of the chest
- Two pads β one on the upper right chest and one on the lower left side (Correct answer)
Correct answer: Two pads β one on the upper right chest and one on the lower left side
Two AED pads are placed in specific positions to deliver an electrical shock across the heart β one below the right collarbone and one below the left armpit.
Question 77: A forklift operator notices the floor in a warehouse aisle is uneven and cracked. Which hazard category does this MOST represent?
- Ergonomic hazard
- Surface/trip hazard (Correct answer)
- Struck-by hazard
- Radiation hazard
Correct answer: Surface/trip hazard
Uneven and cracked floors create trip and vehicle stability hazards in pedestrian and forklift traffic areas.
Question 78: A wellness coordinator wants to assess nutritional risk in workers. Which screening tool is most commonly used?
- Grip strength test
- Body Mass Index (BMI) combined with dietary history (Correct answer)
- Blood pressure cuff reading
- Urinalysis only
Correct answer: Body Mass Index (BMI) combined with dietary history
BMI combined with a dietary history provides a practical, evidence-based initial screen for nutritional risk factors in occupational health settings.
Question 79: What role does collaboration play in emergency preparedness for NSC professionals?
- It slows down work unnecessarily
- It is only needed in emergencies
- It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
- It reduces individual accountability
Correct answer: It enhances outcomes through diverse perspectives and shared expertise
Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.
Question 80: What is the NSC recommendation regarding electrical panel boxes that are missing knockout blanks or covers?
- They can remain open as long as warning tape is applied
- They require a work order within 30 days
- They are only a concern in areas accessible to the public
- They should be repaired immediately by installing appropriate covers to prevent exposure to energized parts (Correct answer)
Correct answer: They should be repaired immediately by installing appropriate covers to prevent exposure to energized parts
Open knockouts in electrical panels expose energized parts and must be covered immediately to prevent accidental contact and arc flash.
Question 81: A vehicle behind you is tailgating. What is the safest defensive response?
- Speed up to create more space
- Maintain your speed and ignore them
- Gradually slow down to increase your own following distance ahead (Correct answer)
- Tap your brakes to warn them
Correct answer: Gradually slow down to increase your own following distance ahead
Increasing your following distance to the car ahead gives you a larger buffer so any sudden stop won't result in a three-car crash.
Question 82: The largest negative impact gastrointestinal procedures have on a patient's nutritional state is
- Ileal resection
- All of these (Correct answer)
- Billroth II
- Billroth III
Correct answer: All of these
Billroth II and Billroth III procedures involve resecting parts of the stomach and rerouting the digestive tract, which can lead to dumping syndrome, malabsorption of iron, calcium, and fat-soluble vitamins due to bypassed duodenum. Ileal resection, on the other hand, specifically impairs the absorption of vitamin B12 and bile salts, crucial for fat digestion. All these gastrointestinal surgeries significantly disrupt normal digestive and absorptive processes, making them major contributors to negative nutritional impacts.
Question 83: Which approach best demonstrates mastery of ergonomics in NSC practice?
- Following procedures without understanding
- Relying entirely on technology
- Applying principles to novel situations with sound judgment (Correct answer)
- Avoiding complex scenarios
Correct answer: Applying principles to novel situations with sound judgment
True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.
Question 84: In NSC practice, what is the best approach to quality improvement in ergonomics?
- Use data-driven methods with measurable outcomes (Correct answer)
- Make changes without measuring results
- Wait for problems to occur before acting
- Copy what other organizations do without analysis
Correct answer: Use data-driven methods with measurable outcomes
Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.
Question 85: Which withdrawal syndrome is considered the most medically dangerous and potentially life-threatening?
- Opioid withdrawal
- Cannabis withdrawal
- Alcohol withdrawal (Correct answer)
- Stimulant withdrawal
Correct answer: Alcohol withdrawal
Alcohol withdrawal can progress to delirium tremens with seizures and autonomic instability, making it the most life-threatening withdrawal syndrome.
Question 86: A child begins seizing. After the seizure ends, what is the most important first aid action?
- Place the child in the recovery position and monitor breathing (Correct answer)
- Restrain the child to prevent movement
- Give the child water immediately
- Insert something in the child's mouth
Correct answer: Place the child in the recovery position and monitor breathing
After a seizure, placing the child on their side in the recovery position protects the airway and allows monitoring until full recovery.
Question 87: A warehouse worker in a hot environment loses significant sweat. Beyond water, which electrolyte is most urgently needed?
- Magnesium
- Calcium
- Potassium
- Sodium (Correct answer)
Correct answer: Sodium
Sodium is the primary electrolyte lost in sweat and must be replaced to maintain fluid balance and prevent hyponatremia.
Question 88: Which stage of Prochaska's Transtheoretical Model describes a client actively making changes and seeking help?
- Maintenance
- Contemplation
- Precontemplation
- Action (Correct answer)
Correct answer: Action
The Action stage is when an individual is actively modifying their behavior and environment to overcome their substance use problem.
Question 89: Which NSC ergonomics concept describes redesigning a task so that the heaviest or most awkward part of the job is performed less frequently?
- Job rotation
- Task redesign (Correct answer)
- Task enlargement
- Work hardening
Correct answer: Task redesign
Task redesign permanently modifies how a job is performed to reduce exposure to ergonomic risk factors at the source.
Question 90: By using the Guthrie test, one can diagnose:
- Phenylketonuria (Correct answer)
- Galactosemia
- Ornithine transcarboxylase deficiency
- Glycogen storage disase
Correct answer: Phenylketonuria
The Guthrie test is a widely recognized and utilized screening method for diagnosing Phenylketonuria (PKU) in newborns. This test detects elevated levels of phenylalanine in a blood sample, indicating the genetic disorder where the body cannot properly metabolize this amino acid. Early diagnosis through the Guthrie test is crucial for initiating treatment and preventing severe neurological damage.
Question 91: What is the LEAST likely cause of diarrhea in a hospitalized patient on enteral nutrition?
- Soluble fiber
- Malnutrition
- Loss of blood
- Difficile (Correct answer)
Correct answer: Difficile
While Clostridium difficile (C. difficile) is a common cause of diarrhea in hospitalized patients, it is an infectious cause often linked to antibiotic use, rather than a direct consequence of enteral nutrition (EN) itself. Diarrhea in patients on EN is more frequently attributed to factors like formula osmolarity, rapid infusion rates, medication side effects, or underlying malnutrition leading to gut atrophy. Therefore, when considering causes directly related to the feeding or the patient's nutritional state, C. difficile might be considered the least likely direct cause among the options, as it's an external pathogen.
Question 92: Which approach best describes risk-based compliance management in the NSC field?
- Focusing only on past incidents
- Eliminating all possible risks
- Treating all risks equally
- Prioritizing resources based on risk severity and likelihood (Correct answer)
Correct answer: Prioritizing resources based on risk severity and likelihood
Risk-based compliance management involves assessing and prioritizing risks by their severity and likelihood to allocate resources effectively.
Question 93: Which type of hand tool design best reduces wrist deviation during repetitive tasks?
- Pistol-grip or bent-handle tool (Correct answer)
- Tools with smooth metal handles
- Lightweight plastic tools
- Straight-handled tool
Correct answer: Pistol-grip or bent-handle tool
Pistol-grip or bent-handle tools allow the wrist to remain in a neutral position, reducing ulnar or radial deviation stress.
Question 94: Which concept describes providing workers with accurate information to make their own informed dietary choices?
- Health literacy and empowerment (Correct answer)
- Nutrition surveillance
- Punitive incentive design
- Mandatory compliance
Correct answer: Health literacy and empowerment
Health literacy and empowerment-based approaches give workers the knowledge and skills to make autonomous, informed dietary decisions.
Question 95: Under OSHA's walking-working surfaces standard, what is the minimum width required for a fixed industrial stairway?
- 28 inches
- 36 inches
- 22 inches (Correct answer)
- 18 inches
Correct answer: 22 inches
OSHA's 29 CFR 1910.25 requires fixed industrial stairs to be at least 22 inches wide.
Question 96: Which PPE is required when handling chemicals that can cause severe skin burns?
- Standard cotton work gloves
- Safety glasses only
- Chemical-resistant gloves and protective apron (Correct answer)
- Latex examination gloves only
Correct answer: Chemical-resistant gloves and protective apron
Chemicals that cause burns require chemical-resistant gloves and a protective apron to prevent skin contact and serious injury.
Question 97: What is the purpose of an eyewash station in a chemical work area?
- To flush chemical splashes from the eyes with water for at least 15 minutes (Correct answer)
- To dilute chemicals before use
- To rinse chemical containers before disposal
- To test the pH of unknown liquids
Correct answer: To flush chemical splashes from the eyes with water for at least 15 minutes
ANSI standards require eyewash stations that deliver a continuous flow of water to flush chemical splashes from the eyes for a minimum of 15 minutes.
Question 98: What role does collaboration play in ergonomics for NSC professionals?
- It slows down work unnecessarily
- It reduces individual accountability
- It is only needed in emergencies
- It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
Correct answer: It enhances outcomes through diverse perspectives and shared expertise
Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.
Question 99: A patient is having a severe asthma attack and is not responding to their rescue inhaler. Which finding indicates the patient's condition is critical?
- Audible wheezing with each breath
- Silent chest with no breath sounds on auscultation (Correct answer)
- Respiratory rate of 24 breaths per minute
- Use of neck muscles during inhalation
Correct answer: Silent chest with no breath sounds on auscultation
A 'silent chest' in a known asthmatic indicates near-complete airway obstruction with no air movement, signaling a life-threatening emergency.
Question 100: When is it acceptable to eat, drink, or apply cosmetics in an area where hazardous chemicals are used?
- Only during designated break times away from the chemical area (Correct answer)
- After washing hands but while still in the work area
- Never, unless no food-contact chemicals are present
- If gloves are worn
Correct answer: Only during designated break times away from the chemical area
Eating, drinking, and applying cosmetics should only occur in designated areas away from hazardous chemical zones to prevent accidental ingestion of contaminants.
Question 101: What does the NFPA 704 diamond's blue quadrant indicate?
- Special hazard
- Health hazard (Correct answer)
- Reactivity hazard
- Fire hazard
Correct answer: Health hazard
The blue (left) quadrant of the NFPA 704 diamond indicates health hazard on a scale of 0 to 4.
Question 102: What action should you take FIRST when you discover a large chemical spill in your work area?
- Call the chemical manufacturer
- Open windows to ventilate the space
- Begin cleanup using available absorbents
- Alert coworkers and evacuate the area (Correct answer)
Correct answer: Alert coworkers and evacuate the area
The first priority in a large spill is to alert others and evacuate to prevent exposure, then notify emergency response personnel.
Question 103: A self-retracting lifeline (SRL) differs from a standard lanyard primarily because it:
- Requires no anchorage when attached to the harness
- Has a longer maximum length of 12 feet
- Automatically takes up slack and limits free fall (Correct answer)
- Is only approved for horizontal lifeline use
Correct answer: Automatically takes up slack and limits free fall
An SRL continuously retracts to remove slack and, upon sensing a sudden increase in speed, locks and limits free fall to inches rather than feet.
Question 104: The patient is taking Zerit, an anti-HIV medication. This medication could lead to
- Lipodystrophy (Correct answer)
- Malnutrition
- Metabolic syndrome
- AIDS wasting syndrome
Correct answer: Lipodystrophy
Zerit (stavudine) is an anti-HIV medication, specifically a nucleoside reverse transcriptase inhibitor (NRTI). A well-known side effect associated with long-term use of stavudine is lipodystrophy, which involves abnormal fat redistribution, such as fat loss in the face and limbs (lipoatrophy) and fat accumulation in the abdomen and neck (lipohypertrophy). This can lead to significant body image issues and metabolic complications.
Question 105: What is 'controlled access zone' (CAZ) fall protection, and who may enter it?
- A zone requiring double lanyards at all times
- An emergency evacuation corridor near roof edges
- A fully barricaded area open to all workers
- A designated area where only authorized workers doing leading edge or overhand bricklaying work may enter without PFAS (Correct answer)
Correct answer: A designated area where only authorized workers doing leading edge or overhand bricklaying work may enter without PFAS
A CAZ is a work area bounded by control lines allowing only specifically authorized workers to perform certain tasks (e.g., leading edge work) without conventional fall protection in limited circumstances.
Question 106: What does the PASS acronym stand for when using a fire extinguisher?
- Push, Activate, Spray, Stop
- Pull, Aim, Squeeze, Sweep (Correct answer)
- Point, Aim, Shoot, Secure
- Pull, Assess, Spray, Step back
Correct answer: Pull, Aim, Squeeze, Sweep
PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep side to side.
Question 107: What is the correct first step when applying lockout/tagout (LOTO) before servicing equipment?
- Verify zero energy state
- Notify affected employees of the shutdown (Correct answer)
- Apply the lockout device immediately
- Release all stored energy first
Correct answer: Notify affected employees of the shutdown
The first LOTO step is to notify all affected employees before beginning the energy isolation process.
Question 108: Which nutrient plays the most important role in supporting immune function for workers in high-exposure environments?
- Saturated fat
- Sodium
- Refined sugar
- Vitamin C (Correct answer)
Correct answer: Vitamin C
Vitamin C is an antioxidant that supports the immune system by stimulating the production and function of white blood cells.
Question 109: In ergonomics, 'duration' as a risk factor refers to:
- The number of workers performing the same task
- The length of time a worker is exposed to a hazardous condition or posture (Correct answer)
- The total weight lifted during a shift
- The speed at which a task is completed
Correct answer: The length of time a worker is exposed to a hazardous condition or posture
Duration measures how long a worker is continuously exposed to a risk factor, with longer exposures increasing injury risk.
Question 110: How often should NSC compliance training be conducted?
- Only when violations occur
- Every five years
- Only during initial orientation
- At regular intervals as required by regulations (Correct answer)
Correct answer: At regular intervals as required by regulations
Compliance training must be conducted at regular intervals as specified by applicable regulations to keep practitioners current.
Question 111: What does a GCS (Glasgow Coma Scale) score of 8 or below indicate?
- Severe brain injury requiring airway protection (Correct answer)
- Normal neurological function in an anxious patient
- Mild concussion requiring observation
- Moderate impairment with no immediate danger
Correct answer: Severe brain injury requiring airway protection
A GCS of 8 or less indicates severe neurological impairment and the patient likely cannot protect their airway.
Question 112: Which type of wound is most at risk for tetanus infection?
- Puncture wound contaminated with dirt (Correct answer)
- Clean superficial cut
- Paper cut
- Minor abrasion
Correct answer: Puncture wound contaminated with dirt
Deep puncture wounds contaminated with soil, saliva, or feces carry the highest risk for tetanus because the bacteria thrive in low-oxygen environments.
Question 113: Which symptom is most characteristic of heat stroke, as opposed to heat exhaustion?
- Hot, red, dry or minimally moist skin with altered mental status (Correct answer)
- Pale, moist skin
- Heavy sweating
- Muscle cramps and weakness
Correct answer: Hot, red, dry or minimally moist skin with altered mental status
Heat stroke is distinguished by hot, flushed skin and confusion or loss of consciousness, indicating the body's cooling system has failed β it is a life-threatening emergency.
Question 114: DASH diets are frequently used to treat:
- Hypertension (Correct answer)
- Nephritis
- Diabetes mellitus
- Hepatitis
Correct answer: Hypertension
DASH stands for Dietary Approaches to Stop Hypertension. As its name explicitly indicates, the DASH diet was specifically developed to help prevent and manage high blood pressure (hypertension). It achieves this by promoting a diet rich in fruits, vegetables, whole grains, and lean protein, while limiting sodium, saturated fat, and cholesterol.
Question 115: A worker must be rescued or self-rescue within how many minutes after a fall arrest to prevent suspension trauma?
- 30 minutes (Correct answer)
- 60 minutes
- 5 minutes
- 10 minutes
Correct answer: 30 minutes
OSHA recommends that suspended workers be rescued within approximately 30 minutes to prevent orthostatic intolerance (suspension trauma).
Question 116: What is the role of collateral information sources in a clinical evaluation?
- They are only used in forensic evaluations
- They are optional and rarely used
- They provide additional perspectives to corroborate or supplement the client's history (Correct answer)
- They replace the need for client self-report
Correct answer: They provide additional perspectives to corroborate or supplement the client's history
Collateral sources such as family members or prior treatment records add context and help verify or clarify the client's self-reported history.
Question 117: Which of the following is a 'leading indicator' of workplace safety performance?
- Days away from work due to injuries
- Total workers' compensation costs year-to-date
- Percentage of safety training completed on schedule (Correct answer)
- Number of recordable injuries in the past year
Correct answer: Percentage of safety training completed on schedule
Leading indicators measure proactive safety activities β like training completion β that predict future injury prevention, unlike lagging indicators that count past incidents.
Question 118: Which federal agency coordinates the national response to disasters in the United States?
- CDC
- DHS
- FEMA (Correct answer)
- OSHA
Correct answer: FEMA
FEMA (Federal Emergency Management Agency) is the primary federal agency responsible for coordinating disaster response and recovery.
Question 119: During a clinical evaluation, a client denies substance use but shows constricted pupils and track marks. What is this discrepancy called?
- Incongruence between self-report and clinical signs (Correct answer)
- Confirmation bias
- Secondary gain
- Transference
Correct answer: Incongruence between self-report and clinical signs
When objective physical findings contradict a client's self-report, this is documented as incongruence and requires further assessment.
Question 120: What is the correct depth of chest compressions for an average adult during CPR?
- 1 to 1.5 inches
- At least 3 inches
- 3 to 3.5 inches
- 2 to 2.4 inches (Correct answer)
Correct answer: 2 to 2.4 inches
AHA guidelines specify chest compressions should be at least 2 inches but no more than 2.4 inches deep for adults.
Question 121: An employee working outdoors in summer heat begins to experience dizziness and excessive sweating. What hazard is involved?
- Ergonomic hazard from heavy lifting
- Biological hazard from insect exposure
- Radiation hazard from UV exposure
- Environmental physical hazard from heat stress (Correct answer)
Correct answer: Environmental physical hazard from heat stress
Heat stress is a physical environmental hazard that can progress to heat exhaustion or heat stroke if unrecognized.
Question 122: What information is required on every container of a hazardous chemical in the workplace under HazCom?
- Chemical formula, CAS number, and expiration date
- Supplier's phone number, price per unit, and storage code
- Product identifier, hazard pictograms, signal word, and hazard statements (Correct answer)
- Employee signature, date received, and quantity used
Correct answer: Product identifier, hazard pictograms, signal word, and hazard statements
OSHA's HazCom standard requires labels to include a product identifier, GHS pictograms, signal word, hazard statements, precautionary statements, and supplier information.
Question 123: Which of the following is a classic sign of hypoglycemia?
- Slow onset with frequent urination and fruity breath
- Sudden onset with hypertension and flushed skin
- Gradual onset with excessive thirst and blurred vision
- Rapid onset with confusion, sweating, and shakiness (Correct answer)
Correct answer: Rapid onset with confusion, sweating, and shakiness
Hypoglycemia presents rapidly with altered mental status, diaphoresis, shakiness, and pallor due to low blood sugar.
Question 124: Which section of a Safety Data Sheet (SDS) contains first-aid measures?
- Section 3
- Section 2
- Section 4 (Correct answer)
- Section 6
Correct answer: Section 4
Section 4 of the GHS-aligned SDS provides first-aid measures for inhalation, skin contact, eye contact, and ingestion.
Question 125: Under the OSHA Hazard Communication Standard, what symbol on a GHS label warns of a health hazard such as carcinogenicity?
- Flame
- Skull and crossbones
- Health hazard (person with starburst) (Correct answer)
- Exclamation mark
Correct answer: Health hazard (person with starburst)
The health hazard pictogram (silhouette of a person with a starburst) indicates serious health hazards like carcinogens or reproductive toxins.
Question 126: In construction, OSHA's fall protection standard (29 CFR 1926.502) requires fall protection at heights of:
- 4 feet
- 12 feet
- 6 feet (Correct answer)
- 10 feet
Correct answer: 6 feet
OSHA's construction fall protection standard requires fall protection when workers are exposed to falls of 6 feet or more.
Question 127: Which term describes an OSHA violation where the employer knew or should have known of the hazard but made no reasonable effort to eliminate it?
- Repeat
- Willful (Correct answer)
- Other-than-serious
- Serious
Correct answer: Willful
A willful violation is one where the employer intentionally and knowingly commits a violation or is plainly indifferent to employee safety.
Question 128: A worker consuming a high-sodium diet is at greatest risk for which occupational health condition?
- Osteoporosis
- Iron-deficiency anemia
- Vitamin B12 deficiency
- Hypertension, which increases risk for cardiovascular events (Correct answer)
Correct answer: Hypertension, which increases risk for cardiovascular events
Chronic high sodium intake raises blood pressure, increasing the risk of heart attack and stroke, which are leading causes of work-related mortality.
Question 129: What is the recommended maximum angle of wrist extension or flexion during repetitive tasks to reduce MSD risk?
- 45 degrees
- 30 degrees
- 60 degrees
- 15 degrees (Correct answer)
Correct answer: 15 degrees
NSC and ergonomic guidelines recommend keeping wrist deviation below 15 degrees from neutral to minimize injury risk during repetitive work.
Question 130: Regarding the low amount of serum albumin, which of these is untrue?
- It can be mostly found in nephrotic syndrome
- It might be a sign of kwashiorkor
- It may be locate with ascites
- It can be used to identify esophageal reflux (Correct answer)
Correct answer: It can be used to identify esophageal reflux
Low serum albumin is a common finding in conditions like nephrotic syndrome (due to protein loss), kwashiorkor (severe protein malnutrition), and ascites (due to reduced oncotic pressure). However, serum albumin levels are not a diagnostic marker for esophageal reflux. Esophageal reflux is typically diagnosed based on symptoms, endoscopy, or pH monitoring.
Question 131: What does an electrical panel's 'arc flash label' required by NFPA 70E indicate?
- The panel's installation date and installer name
- The color code for each circuit breaker
- The incident energy level, PPE category, and working distance for safe maintenance (Correct answer)
- The maximum amperage the panel can carry
Correct answer: The incident energy level, PPE category, and working distance for safe maintenance
NFPA 70E arc flash labels provide workers with the incident energy, PPE category, and safe working distance for each piece of equipment.
Question 132: What is the recommended first step when a NSC professional identifies a compliance violation?
- Document and report through proper channels (Correct answer)
- Ignore it if minor
- Discuss on social media
- Wait for someone else to report it
Correct answer: Document and report through proper channels
All compliance violations should be documented and reported through established channels to ensure proper investigation and resolution.
Question 133: A company wants to evaluate the effectiveness of its nutrition intervention program. Which outcome measure is most relevant?
- Number of vending machine purchases
- Number of nutrition pamphlets distributed
- Total cafeteria revenue
- Changes in worker biometric data such as BMI, blood pressure, and cholesterol levels (Correct answer)
Correct answer: Changes in worker biometric data such as BMI, blood pressure, and cholesterol levels
Biometric outcomes like BMI, blood pressure, and cholesterol directly measure the health impact of a nutrition intervention program.
Question 134: During clinical evaluation, a client describes continuing to use opioids despite losing their job and family. This pattern reflects which DSM-5 criterion?
- Tolerance
- Withdrawal
- Unsuccessful efforts to cut down
- Continued use despite negative consequences (Correct answer)
Correct answer: Continued use despite negative consequences
Persistent use despite significant adverse consequences β occupational, familial, or social β is a core DSM-5 criterion for substance use disorder.
Question 135: A worker notices a colleague using an angle grinder without a face shield. What type of hazard does this represent?
- Ergonomic hazard
- Physical hazard from flying debris (Correct answer)
- Chemical hazard
- Biological hazard
Correct answer: Physical hazard from flying debris
Angle grinders produce sparks and flying debris that pose a physical hazard to unprotected eyes and face.
Question 136: What is the maximum time an AED should be used to analyze rhythm and deliver a shock before resuming CPR?
- No more than 10 seconds (Correct answer)
- Up to 5 minutes
- No more than 30 seconds
- Up to 2 minutes
Correct answer: No more than 10 seconds
Interruptions to chest compressions should be minimized and limited to no more than 10 seconds for AED analysis and shock delivery.
Question 137: What color is the ground wire in a standard US three-prong electrical cord?
- Black
- Red
- White or gray
- Green or bare copper (Correct answer)
Correct answer: Green or bare copper
In US wiring, the ground wire is green or bare copper, the neutral is white, and the hot wire is black.
Question 138: If your vehicle's ABS activates during emergency braking, you should:
- Press harder, then release in pulses
- Maintain firm brake pressure and steer around the hazard (Correct answer)
- Release the brake pedal to reset the system
- Pump the brake pedal to help the system
Correct answer: Maintain firm brake pressure and steer around the hazard
ABS does the pumping for you; keeping steady firm pressure lets ABS maintain maximum braking force while you steer to avoid the hazard.
Question 139: When assessing suicidal ideation during a clinical evaluation, which factor increases lethality risk?
- Passive ideation with no plan
- History of therapy
- Strong social support
- Active plan with access to means (Correct answer)
Correct answer: Active plan with access to means
Active suicidal ideation combined with a specific plan and access to lethal means significantly increases the risk of a completed suicide attempt.
Question 140: Which condition is a common nutritional consequence of prolonged night-shift work?
- Vitamin D deficiency (Correct answer)
- Iron toxicity
- Hyperkalemia
- Hyperthyroidism
Correct answer: Vitamin D deficiency
Night-shift workers have reduced sun exposure, which limits the skin's production of vitamin D, increasing deficiency risk.
Question 141: According to NSC guidelines, at what point should an employee attempt to fight a fire rather than evacuate?
- Only if they are a trained firefighter
- Only when the fire is small, contained, and the exit is clear behind them (Correct answer)
- When the fire alarm has not yet sounded
- Whenever a fire extinguisher is nearby
Correct answer: Only when the fire is small, contained, and the exit is clear behind them
NSC recommends fighting a fire only if it is small and contained and your escape route remains clear behind you.
Question 142: What does the acronym 'ABC' stand for in the context of fall protection planning?
- Anchor Bolt Certification
- Arrest, Brake, Control
- Always Be Careful
- Anchorage, Body wear, Connector (Correct answer)
Correct answer: Anchorage, Body wear, Connector
The ABC hierarchy of a personal fall arrest system refers to Anchorage, Body wear (harness), and Connector (lanyard or SRL) β the three essential components.
Question 143: During a safety walkthrough, you see extension cords running under a rug in a high-traffic area. What is the PRIMARY hazard?
- Biological contamination from the rug material
- Ergonomic strain from reaching over the cord
- Chemical exposure from the cord insulation
- Fire hazard from heat buildup and potential overload (Correct answer)
Correct answer: Fire hazard from heat buildup and potential overload
Extension cords under rugs can overheat due to trapped heat, creating a fire hazard and also a hidden trip hazard.
Question 144: When should PPE be permanently removed from service and disposed of?
- When it has been damaged, failed to pass inspection, or reached its manufacturer's service life (Correct answer)
- After exactly 12 months of use, regardless of condition
- Only when a safety inspector specifically directs its removal
- After it has been used by more than one employee
Correct answer: When it has been damaged, failed to pass inspection, or reached its manufacturer's service life
PPE should be removed from service when it shows signs of damage, fails inspection, or when the manufacturer's service life has been reached, since compromised PPE provides unreliable protection.
Question 145: Which technique involves workers systematically walking through their work area to identify hazards before starting a task?
- Root cause analysis
- Incident investigation
- Job hazard analysis (JHA)
- Pre-task hazard assessment (Correct answer)
Correct answer: Pre-task hazard assessment
A pre-task hazard assessment is performed before beginning work to identify and control hazards specific to that task.
Question 146: What is the value of continuing education in hazard recognition for NSC professionals?
- It is only needed for recertification
- It keeps professionals current with evolving standards and practices (Correct answer)
- It replaces workplace experience
- It is primarily a social activity
Correct answer: It keeps professionals current with evolving standards and practices
Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.
Question 147: The DAST-10 is a clinical screening tool designed to assess use of which substances?
- Alcohol only
- Prescription medications only
- Drugs other than alcohol (Correct answer)
- Tobacco products
Correct answer: Drugs other than alcohol
The Drug Abuse Screening Test (DAST-10) assesses consequences and patterns of drug use excluding alcohol, which is separately evaluated with the AUDIT.
Question 148: Which behavioral strategy is most effective for helping workers adopt long-term healthy eating habits?
- Replacing all meals with supplements
- Setting strict short-term elimination diets
- Small, incremental changes paired with positive reinforcement (Correct answer)
- Weekly mandatory nutritional audits
Correct answer: Small, incremental changes paired with positive reinforcement
Small, sustainable changes reinforced with positive feedback are more likely to become permanent habits compared to extreme or restrictive approaches.
Question 149: During a power outage lasting more than four hours, which of the following refrigerated foods should be discarded?
- Unopened condiments
- Whole fruits
- Hard cheeses
- Meat, poultry, and seafood (Correct answer)
Correct answer: Meat, poultry, and seafood
Meat, poultry, and seafood should be discarded after a power outage of four hours or more because they reach unsafe temperatures quickly.
Question 150: The purpose of cystic fibrosis treatment is to:
- Replacement of Pancreatic enzyme
- To increase fat and protein
- To increase fat and protein & Replacement of Pancreatic enzyme (Correct answer)
Correct answer: To increase fat and protein & Replacement of Pancreatic enzyme
Cystic fibrosis causes pancreatic insufficiency, leading to malabsorption of fats, proteins, and fat-soluble vitamins. Therefore, pancreatic enzyme replacement is essential to improve digestion and nutrient absorption. Additionally, patients with cystic fibrosis have increased energy needs due to chronic infection and malabsorption, requiring significantly higher intakes of energy, protein, and fat to maintain nutritional status and support growth.
Question 151: A yellow diamond on a DOT hazard placard typically indicates which class of material?
- Explosive
- Oxidizer or organic peroxide (Correct answer)
- Flammable liquid
- Corrosive material
Correct answer: Oxidizer or organic peroxide
Yellow DOT placards signify oxidizers or organic peroxides, which can intensify fires by supplying additional oxygen.
Question 152: According to NSC guidelines, what is the leading cause of death in the construction industry?
- Falls from elevation (Correct answer)
- Electrocution
- Being struck by objects
- Caught-in/between incidents
Correct answer: Falls from elevation
Falls from elevation are consistently the number-one cause of construction fatalities, accounting for roughly one-third of all construction deaths annually.
Question 153: What is the most important professional competency for NSC certification in ergonomics?
- Deep knowledge combined with practical application skills (Correct answer)
- Ability to work alone exclusively
- Speed of task completion
- Memorization of all reference materials
Correct answer: Deep knowledge combined with practical application skills
Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.
Question 154: How long should you check for breathing before beginning CPR on an unresponsive adult?
- Up to 10 seconds (Correct answer)
- 30 seconds
- 1 minute
- 2 minutes
Correct answer: Up to 10 seconds
Check for breathing for no more than 10 seconds; if absent or only gasping, begin CPR immediately.
Question 155: Treatment for hypertension frequently involves the use of:
- Chlorophenamine
- DASH diet (Correct answer)
- Bondoment
- Anti-malarial
Correct answer: DASH diet
The DASH (Dietary Approaches to Stop Hypertension) diet is an evidence-based eating plan specifically designed to lower blood pressure and is a primary non-pharmacological treatment for hypertension. It emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy, while limiting saturated and total fat, cholesterol, and sodium, making it highly effective for blood pressure management.
Question 156: A 'sensitizer' chemical is hazardous because it can:
- Explode when exposed to heat
- React with skin oils to produce toxins
- Cause an allergic reaction in subsequent exposures after initial sensitization (Correct answer)
- Deplete oxygen in confined spaces
Correct answer: Cause an allergic reaction in subsequent exposures after initial sensitization
Sensitizers cause an allergic immune response; after initial exposure sensitizes a person, even tiny future doses can trigger severe reactions.
Question 157: A patient presents with sudden severe chest pain radiating to the left arm, sweating, and nausea. What condition should you suspect?
- Pulmonary embolism
- Acute myocardial infarction (Correct answer)
- Panic attack
- Aortic dissection
Correct answer: Acute myocardial infarction
Chest pain radiating to the left arm with diaphoresis and nausea are classic signs of acute myocardial infarction (heart attack).
Question 158: What is the role of the 'attendant' in a confined space entry operation?
- To perform atmospheric testing inside the space
- To document work completed inside the space
- To remain outside and monitor the entrant, summoning rescue if needed (Correct answer)
- To supply breathing air to workers inside
Correct answer: To remain outside and monitor the entrant, summoning rescue if needed
The attendant stays outside the permit space, monitors entrants continuously, and initiates rescue procedures if an emergency occurs.
Question 159: What is the most reliable way to confirm correct endotracheal tube placement?
- Checking the tube depth marking at the teeth
- Waveform capnography showing continuous CO2 detection (Correct answer)
- Observing chest rise during ventilation
- Listening for breath sounds bilaterally over the lungs
Correct answer: Waveform capnography showing continuous CO2 detection
Waveform capnography is the gold standard for confirming ET tube placement because it continuously detects exhaled CO2 from the lungs.
Question 160: In a multiple-casualty incident, what does triaging victims help responders determine?
- The cause of the emergency
- Who needs immediate treatment versus who can wait (Correct answer)
- Which hospital to transport all patients to
- The number of emergency vehicles needed
Correct answer: Who needs immediate treatment versus who can wait
Triage helps responders prioritize treatment by quickly categorizing casualties according to the severity of their injuries.
Question 161: What is the value of continuing education in emergency preparedness for NSC professionals?
- It is primarily a social activity
- It is only needed for recertification
- It replaces workplace experience
- It keeps professionals current with evolving standards and practices (Correct answer)
Correct answer: It keeps professionals current with evolving standards and practices
Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.
Question 162: What is the PRIMARY purpose of conducting a toolbox talk before a work shift?
- To complete OSHA documentation requirements
- To assign overtime responsibilities
- To identify and communicate job-specific hazards workers may encounter (Correct answer)
- To review employee performance records
Correct answer: To identify and communicate job-specific hazards workers may encounter
Toolbox talks raise hazard awareness by discussing safety topics relevant to the specific work being performed that day.
Question 163: What is the primary role of iron in occupational health nutrition?
- Building bone density
- Supporting oxygen transport in the blood (Correct answer)
- Regulating blood pressure
- Metabolizing alcohol
Correct answer: Supporting oxygen transport in the blood
Iron is a core component of hemoglobin, which carries oxygen from the lungs to working muscles and organs.
Question 164: What does the 'D' stand for in the NSC's emergency action steps (Check-Call-Care)?
- Documentation
- Diagnosis
- Defibrillation
- Danger (Correct answer)
Correct answer: Danger
Before providing care, you must Check the scene for Danger to ensure it is safe for both the rescuer and the victim.
Question 165: Which of the following represents a key limitation of PPE that workers and safety professionals must understand?
- PPE is only needed for tasks lasting longer than 30 minutes
- PPE is infallible when used correctly and provides 100% protection
- PPE eliminates the hazard at its source, making the workplace safer for everyone
- PPE only protects the wearer and does not reduce or control the hazard itself (Correct answer)
Correct answer: PPE only protects the wearer and does not reduce or control the hazard itself
PPE does not eliminate or reduce the hazard β it only creates a barrier between the worker and the hazard, which is why it is considered the last resort in the hierarchy of controls.
Question 166: What does an Automated External Defibrillator (AED) do?
- Delivers an electric shock to restore a normal heart rhythm (Correct answer)
- Provides oxygen to a cardiac arrest victim
- Monitors blood pressure during cardiac events
- Administers emergency medications automatically
Correct answer: Delivers an electric shock to restore a normal heart rhythm
An AED analyzes a victim's heart rhythm and delivers a controlled electric shock to restore normal rhythm in cases of ventricular fibrillation or pulseless ventricular tachycardia.
Question 167: How often should NSC compliance training be conducted?
- Only when violations occur
- Every five years
- Only during initial orientation
- At regular intervals as required by regulations (Correct answer)
Correct answer: At regular intervals as required by regulations
Compliance training must be conducted at regular intervals as specified by applicable regulations to keep practitioners current.
Question 168: What is the value of continuing education in first aid and cpr for NSC professionals?
- It replaces workplace experience
- It is only needed for recertification
- It is primarily a social activity
- It keeps professionals current with evolving standards and practices (Correct answer)
Correct answer: It keeps professionals current with evolving standards and practices
Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.
Question 169: What is a 'near-miss' in workplace safety terminology?
- A minor injury requiring first aid only
- A safety violation cited by an inspector
- An incident that could have caused injury but did not (Correct answer)
- An equipment malfunction during normal operation
Correct answer: An incident that could have caused injury but did not
A near-miss is an unplanned event with no injury or damage but with the potential to cause harm.
Question 170: When treating a victim for shock, which position is generally recommended if no spinal injury is suspected?
- Head elevated on pillows
- Sitting upright at 90 degrees
- Rolled to the left side
- Legs elevated about 12 inches, lying flat (Correct answer)
Correct answer: Legs elevated about 12 inches, lying flat
Elevating the legs about 12 inches helps return blood flow to vital organs unless the victim has a head, neck, spine, or leg injury.
Question 171: What does the hierarchy of hazard controls prioritize as the MOST effective control method?
- Administrative controls
- Personal protective equipment (PPE)
- Engineering controls
- Elimination of the hazard (Correct answer)
Correct answer: Elimination of the hazard
Elimination removes the hazard entirely and is the most effective control because it prevents exposure completely.
Question 172: Which ergonomic guideline addresses the risk of awkward posture by specifying elbow height for work surface placement?
- Work surfaces should always be at shoulder height
- All work surfaces should be adjustable only for standing tasks
- Work surfaces for precision tasks should be slightly above elbow height (Correct answer)
- Work surfaces should be set at wrist height while seated
Correct answer: Work surfaces for precision tasks should be slightly above elbow height
Precision tasks benefit from a surface slightly above elbow height to support the forearms and provide close visual access without neck flexion.
Question 173: The following are indications of liver cirrhosis:
- Ascites and hypoalbuminemia (Correct answer)
- Decreased hepatic plasma volume and high osmolality
- Portal hypotension and constriction of esophageal veins
- Fat malabsorption and hyponatremia
Correct answer: Ascites and hypoalbuminemia
Liver cirrhosis impairs the liver's ability to synthesize albumin, a critical protein for maintaining oncotic pressure, leading to hypoalbuminemia. This low albumin level causes fluid to leak from blood vessels into the abdominal cavity, resulting in ascites. Therefore, ascites and hypoalbuminemia are key clinical indications of liver cirrhosis.
Question 174: What is the OSHA permissible exposure limit (PEL) for noise over an 8-hour time-weighted average?
- 85 dBA
- 80 dBA
- 90 dBA (Correct answer)
- 95 dBA
Correct answer: 90 dBA
OSHA's noise standard (29 CFR 1910.95) sets the PEL at 90 dBA as an 8-hour time-weighted average.
Question 175: What is OSHA's SHARP (Safety and Health Achievement Recognition Program) designed to recognize?
- OSHA-approved third-party safety consultants
- Small businesses that have achieved exemplary safety and health management (Correct answer)
- Companies with zero fatalities for 10 years
- Employers that contribute to OSHA rulemaking
Correct answer: Small businesses that have achieved exemplary safety and health management
SHARP recognizes small and medium-sized employers who have demonstrated exemplary safety programs through OSHA On-Site Consultation.
Question 176: What class of fire extinguisher is rated for use on ordinary combustibles such as wood, paper, and cloth?
- Class A (Correct answer)
- Class B
- Class D
- Class C
Correct answer: Class A
Class A extinguishers are designed for ordinary combustibles like wood, paper, and cloth.
Question 177: Which approach best demonstrates mastery of defensive driving in NSC practice?
- Applying principles to novel situations with sound judgment (Correct answer)
- Relying entirely on technology
- Following procedures without understanding
- Avoiding complex scenarios
Correct answer: Applying principles to novel situations with sound judgment
True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.
Question 178: Which ergonomic risk factor is defined as the number of times a motion or exertion is performed within a given time period?
- Duration
- Repetition (Correct answer)
- Posture
- Force
Correct answer: Repetition
Repetition refers to how frequently a motion or exertion is performed, and high repetition rates are a primary ergonomic risk factor for MSDs.
Question 179: A health promotion program wants to reduce obesity-related absenteeism. Which intervention is most evidence-based?
- Banning vending machines only
- Providing nutrition education combined with healthy food access (Correct answer)
- Issuing mandatory diet plans
- Requiring daily weigh-ins
Correct answer: Providing nutrition education combined with healthy food access
Combining nutrition education with improved access to healthy food options is the most evidence-based approach to reducing obesity in workplace settings.
Question 180: A worker in a printing facility is exposed to isopropyl alcohol vapors throughout the day. This is BEST categorized as which type of hazard?
- Chemical hazard (Correct answer)
- Biological hazard
- Physical hazard
- Ergonomic hazard
Correct answer: Chemical hazard
Isopropyl alcohol vapor is a chemical hazard that can cause respiratory irritation, headaches, and central nervous system effects.
Question 181: What is the minimum D-ring breaking strength required for a full-body harness used in a personal fall arrest system?
- 2,500 lbs
- 3,600 lbs
- 5,000 lbs (Correct answer)
- 7,500 lbs
Correct answer: 5,000 lbs
OSHA requires all PFAS hardware, including D-rings, to have a minimum breaking strength of 5,000 pounds.
Question 182: What does the term 'shelter-in-place' mean during an emergency?
- Stay indoors and seal the building from outside air (Correct answer)
- Gather at a pre-designated community meeting point
- Evacuate to a nearby shelter immediately
- Move to a basement or interior room for tornado protection
Correct answer: Stay indoors and seal the building from outside air
Shelter-in-place means remaining inside a building and sealing it from outside air, typically used during hazardous material incidents.
Question 183: What is the most important professional competency for NSC certification in emergency preparedness?
- Deep knowledge combined with practical application skills (Correct answer)
- Memorization of all reference materials
- Speed of task completion
- Ability to work alone exclusively
Correct answer: Deep knowledge combined with practical application skills
Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.
Question 184: Moreover, impaired glucose tolerance is distinguished by:
- A fasting plasma glucose of 100-125 mg/dl (Correct answer)
- Fasting plasma glucose (FPG)> 140 mg/dl
- HbA1c level of 7 or more
- Casual plasma glucose of 400mg
Correct answer: A fasting plasma glucose of 100-125 mg/dl
Impaired glucose tolerance (IGT) is a prediabetic state characterized by a fasting plasma glucose (FPG) level between 100-125 mg/dL (5.6-6.9 mmol/L), also known as impaired fasting glucose (IFG). This indicates that blood glucose levels are higher than normal but not yet high enough for a diabetes diagnosis, signifying an increased risk for developing type 2 diabetes.
Question 185: What is the correct treatment for a minor (superficial) burn?
- Break blisters and apply antibiotic ointment
- Cover tightly with an adhesive bandage
- Apply butter or oil to soothe the skin
- Cool the burn with cool (not ice cold) running water for 10β20 minutes (Correct answer)
Correct answer: Cool the burn with cool (not ice cold) running water for 10β20 minutes
Cool running water reduces heat in the tissue, relieves pain, and limits damage; ice, butter, or oil should never be applied to burns.
Question 186: Which food preparation method best preserves the vitamin content of vegetables served in a workplace cafeteria?
- Microwaving until fully browned
- Steaming or light stir-frying (Correct answer)
- Deep frying
- Boiling for extended periods
Correct answer: Steaming or light stir-frying
Steaming and light stir-frying use minimal water and lower heat, which best preserves heat-sensitive and water-soluble vitamins like vitamin C and B vitamins.
Question 187: A safety professional notices workers are drowsy after eating at the cafeteria. Which cafeteria change would best address post-meal drowsiness?
- Serving meals faster
- Offering larger portion sizes
- Reducing refined carbohydrates and increasing fiber and protein (Correct answer)
- Adding more dessert options
Correct answer: Reducing refined carbohydrates and increasing fiber and protein
High-glycemic refined carbohydrates cause rapid blood sugar spikes followed by crashes; replacing them with fiber and protein promotes steadier energy levels.
Question 188: A horizontal lifeline system must be designed by a qualified person and should have a safety factor of at least:
- 1.5
- 2 (Correct answer)
- 5
- 3
Correct answer: 2
OSHA requires horizontal lifeline systems to be designed, installed, and used under the supervision of a qualified person with a minimum safety factor of 2.
Question 189: Under OSHA's Fall Protection standard for general industry, at what height must employers provide fall protection?
- 6 feet
- As determined by employer
- 4 feet (Correct answer)
- 10 feet
Correct answer: 4 feet
OSHA's general industry walking-working surfaces standard (29 CFR 1910.28) requires fall protection at heights of 4 feet or more.
Question 190: A responsive adult is choking and cannot speak or cough effectively. What is the correct immediate action?
- Encourage the victim to cough harder
- Perform 5 back blows followed by 5 abdominal thrusts
- Sweep the mouth with your finger to remove the obstruction
- Perform the Heimlich maneuver (abdominal thrusts) immediately (Correct answer)
Correct answer: Perform the Heimlich maneuver (abdominal thrusts) immediately
For a conscious adult with a severe airway obstruction who cannot speak or cough, perform abdominal thrusts (Heimlich maneuver) immediately.
Question 191: Which type of fire detector is most effective at detecting slow, smoldering fires?
- Flame detector
- Heat detector
- Photoelectric smoke detector (Correct answer)
- Ionization smoke detector
Correct answer: Photoelectric smoke detector
Photoelectric smoke detectors are better at detecting slow, smoldering fires that produce large smoke particles.
Question 192: What should you do if your accelerator pedal sticks while driving?
- Shift to neutral, brake firmly, and pull off the road (Correct answer)
- Pump the brake pedal rapidly
- Open the door to slow the vehicle
- Immediately turn off the ignition
Correct answer: Shift to neutral, brake firmly, and pull off the road
Shifting to neutral cuts engine power to the wheels, allowing you to brake and steer to safety without killing the engine.
Question 193: An 'incompatible chemicals' scenario occurs when:
- A chemical exceeds its shelf-life date
- A chemical is used in a poorly ventilated area
- Two chemicals react dangerously when combined (Correct answer)
- Two chemicals are stored at different temperatures
Correct answer: Two chemicals react dangerously when combined
Incompatible chemicals are substances that, when mixed or stored together, can cause dangerous reactions such as fire, explosion, or toxic gas release.
Question 194: Which DSM-5 dimension is evaluated when a clinician assesses a client's insight during a clinical evaluation?
- Mental status examination (Correct answer)
- Substance use severity
- Medical history
- Psychosocial stressors
Correct answer: Mental status examination
Insight β a client's awareness and understanding of their condition β is a component assessed within the mental status examination.
Question 195: When performing CPR on an adult, what is the correct compression-to-ventilation ratio?
- 10:2
- 5:1
- 30:2 (Correct answer)
- 15:2
Correct answer: 30:2
The American Heart Association and NSC recommend a 30:2 compression-to-ventilation ratio for adult CPR.
Question 196: Which dietary pattern is most strongly associated with reduced risk of chronic disease, as recommended in occupational health programs?
- Mediterranean-style diet rich in fruits, vegetables, whole grains, and healthy fats (Correct answer)
- A liquid-only diet for digestive rest
- High-protein, zero-carbohydrate diet
- High-calorie diet for energy maintenance
Correct answer: Mediterranean-style diet rich in fruits, vegetables, whole grains, and healthy fats
The Mediterranean diet is backed by extensive research showing significant reductions in cardiovascular disease, diabetes, and inflammation.
Question 197: Which government-issued system assigns severity levels to weather threats using a five-tier color-coded scale?
- NOAA Storm Prediction Center Outlook (Correct answer)
- Emergency Alert System Threat Matrix
- National Weather Service Hazard Scale
- National Terrorism Advisory System
Correct answer: NOAA Storm Prediction Center Outlook
The NOAA Storm Prediction Center uses a five-tier color-coded outlook (marginal through high) to communicate severe weather threat levels to the public.
Question 198: Under OSHA 29 CFR 1910.132, who bears primary responsibility for providing and paying for required PPE in the workplace?
- A third-party safety vendor must supply all PPE
- The employer must provide and pay for necessary PPE (Correct answer)
- The employee must purchase their own PPE
- Costs are split equally between employer and employee
Correct answer: The employer must provide and pay for necessary PPE
OSHA 29 CFR 1910.132 requires employers to provide and pay for PPE that is necessary to protect workers from job-related hazards.
Question 199: According to NSC guidelines, which eating pattern best supports sustained energy for shift workers?
- Frequent small meals and snacks throughout the shift (Correct answer)
- One large meal at the end of the shift
- High-sugar snacks every hour
- Fasting until the shift is complete
Correct answer: Frequent small meals and snacks throughout the shift
Frequent small meals help maintain stable blood glucose levels, preventing energy crashes during extended work periods.
Question 200: Which class of hard hat is designed to reduce the danger of contact with low-voltage conductors and provides impact and penetration resistance?
- Class D
- Class A (Correct answer)
- Class C
- Class B
Correct answer: Class A
Class A hard hats provide impact and penetration resistance along with limited voltage protection up to 2,200 volts.
Question 201: How does dehydration primarily affect worker safety, according to NSC guidance?
- It increases muscle size
- It impairs cognitive function, reaction time, and physical performance (Correct answer)
- It reduces caloric needs
- It has no effect on safety if food is consumed
Correct answer: It impairs cognitive function, reaction time, and physical performance
Even mild dehydration of 1β2% body weight loss can impair concentration, decision-making, and reaction time, elevating the risk of workplace accidents.
Question 202: Which approach best demonstrates mastery of first aid and cpr in NSC practice?
- Avoiding complex scenarios
- Following procedures without understanding
- Relying entirely on technology
- Applying principles to novel situations with sound judgment (Correct answer)
Correct answer: Applying principles to novel situations with sound judgment
True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.
Question 203: When completing an intake clinical evaluation, which aspect of trauma history is most important to document?
- Whether the trauma has been processed in prior therapy
- The exact dates of traumatic events
- Whether the trauma was witnessed or directly experienced
- Types of trauma experienced and current trauma-related symptoms (Correct answer)
Correct answer: Types of trauma experienced and current trauma-related symptoms
Documenting trauma types and current symptoms helps identify co-occurring PTSD and informs trauma-informed treatment planning.
Question 204: Which of the following best describes distributive shock?
- Abnormal vasodilation causing relative hypovolemia (Correct answer)
- Decreased cardiac output due to heart muscle failure
- Blood loss reducing circulating volume
- Obstruction preventing blood flow from the heart
Correct answer: Abnormal vasodilation causing relative hypovolemia
Distributive shock (including septic, anaphylactic, and neurogenic shock) occurs when widespread vasodilation causes blood to pool away from vital organs.
Question 205: How much water per person per day should you store for an emergency supply kit?
- Three gallons
- Half a gallon
- One gallon (Correct answer)
- Two gallons
Correct answer: One gallon
FEMA and NSC recommend storing at least one gallon of water per person per day for at least three days.
Question 206: Which OSHA standard requires that employees who use tight-fitting respirators pass a fit test before using the respirator in the workplace?
- 29 CFR 1910.132 β General PPE Requirements
- 29 CFR 1910.134 β Respiratory Protection (Correct answer)
- 29 CFR 1910.138 β Hand Protection
- 29 CFR 1910.95 β Occupational Noise Exposure
Correct answer: 29 CFR 1910.134 β Respiratory Protection
29 CFR 1910.134 requires fit testing for all tight-fitting respirators to ensure an adequate seal is achieved, protecting the wearer from airborne hazards.
Question 207: Which roofing work scenario requires fall protection under OSHA's low-slope roof rules when the roof is less than 4:12 pitch?
- Work within 15 feet of the edge
- Work only at the roof perimeter
- Any work anywhere on the roof (Correct answer)
- Work within 6 feet of the edge
Correct answer: Any work anywhere on the roof
On low-slope roofs, OSHA requires fall protection (guardrails, safety nets, or PFAS) for any work anywhere on the roof surface, not just near edges.
Question 208: Which of the following describes a 'caught-in or caught-between' hazard?
- A worker being struck by a swinging load
- A worker developing carpal tunnel syndrome from typing
- A worker slipping on a wet floor
- A worker's clothing becoming entangled in rotating machinery (Correct answer)
Correct answer: A worker's clothing becoming entangled in rotating machinery
Caught-in or caught-between hazards occur when a body part or clothing is caught in moving machinery or between objects.
Question 209: Which engineering control is most effective at reducing worker exposure to airborne chemical hazards?
- Respiratory protective equipment
- Local exhaust ventilation (LEV) at the source (Correct answer)
- Administrative controls such as job rotation
- Posting warning signs near the hazard
Correct answer: Local exhaust ventilation (LEV) at the source
Local exhaust ventilation captures and removes chemical contaminants at the source before they disperse into the worker's breathing zone.
Question 210: Which vitamin deficiency is most associated with impaired night vision, which can be a safety hazard in low-light work environments?
- Vitamin K
- Vitamin A (Correct answer)
- Vitamin D
- Vitamin C
Correct answer: Vitamin A
Vitamin A is essential for producing rhodopsin, the pigment in the eyes that enables vision in low-light conditions.
Question 211: What is the recommended first step when a NSC professional identifies a compliance violation?
- Document and report through proper channels (Correct answer)
- Wait for someone else to report it
- Ignore it if minor
- Discuss on social media
Correct answer: Document and report through proper channels
All compliance violations should be documented and reported through established channels to ensure proper investigation and resolution.
Question 212: Lipodystrophy is prone to occur in patients who take the anti-HIV medication Zerit. A disorder known as lipodystrophy is defined by aberrant fat distribution throughout the body, which can cause changes in the form of the body and the buildup of fat in certain places. The patient may experience major physical and psychological effects from this side effect, which is frequently linked to the usage of Zerit.
- Nasogastric tube with standard formula
- NPO until pain subsides, then allow diet to advance
- Parenteral Nutrition
- Nasojejunal tube with a standard formula (Correct answer)
Correct answer: Nasojejunal tube with a standard formula
A nasojejunal tube delivers enteral nutrition directly into the jejunum, bypassing the stomach. This feeding method is often chosen for patients who are at high risk of aspiration, have severe gastroparesis, gastric outlet obstruction, or persistent vomiting that prevents gastric feeding. By bypassing the stomach, it reduces the risk of aspiration pneumonia and can improve tolerance, making it a safer and more effective option than nasogastric feeding or more invasive parenteral nutrition in certain clinical scenarios.
Question 213: What is the recommended minimum supply of non-perishable food for a basic home emergency kit?
- One-day supply
- Three-day supply (Correct answer)
- Two-week supply
- One-week supply
Correct answer: Three-day supply
NSC and FEMA recommend a minimum three-day supply of non-perishable food per person for a basic emergency kit.
Question 214: Which of the following is NOT one of the three elements of the fire triangle?
- Pressure (Correct answer)
- Heat
- Fuel
- Oxygen
Correct answer: Pressure
The fire triangle consists of heat, fuel, and oxygen; pressure is not required for combustion.
Question 215: When applying a tourniquet for severe limb bleeding, where should it be placed?
- 2β3 inches above the wound, between the wound and the heart (Correct answer)
- Over a joint for stability
- Below the wound
- Directly over the wound
Correct answer: 2β3 inches above the wound, between the wound and the heart
A tourniquet must be placed 2β3 inches above the wound toward the heart (proximal) to cut off blood flow to the injury site.
Question 216: What OSHA program allows employees to request a workplace inspection without revealing their identity to the employer?
- OSHA Challenge Program
- Voluntary Protection Program (VPP)
- Confidential Complaint Program
- Whistleblower Protection Program (Correct answer)
Correct answer: Whistleblower Protection Program
OSHA's Whistleblower Protection Program allows employees to file complaints confidentially under Section 11(c) of the OSH Act.
Question 217: What distinguishes a diagnostic impression from a confirmed diagnosis in a clinical evaluation?
- There is no meaningful difference between the two
- A diagnostic impression is based on lab results; a confirmed diagnosis uses interviews
- A diagnostic impression is a working hypothesis that may evolve; a confirmed diagnosis meets full criteria after thorough assessment (Correct answer)
- A diagnostic impression requires supervisor approval; a confirmed diagnosis does not
Correct answer: A diagnostic impression is a working hypothesis that may evolve; a confirmed diagnosis meets full criteria after thorough assessment
A diagnostic impression is a preliminary clinical judgment formed early in evaluation, while a confirmed diagnosis requires comprehensive assessment meeting all DSM-5 criteria.
Question 218: OSHA's general industry standard requires fall protection when workers are exposed to fall heights of how many feet or more?
- 4 feet (Correct answer)
- 6 feet
- 8 feet
- 10 feet
Correct answer: 4 feet
OSHA 29 CFR 1910.23 requires fall protection in general industry at heights of 4 feet or more.
Question 219: A worker performing overhead work complains of neck pain after repeated upward gazing. Which hazard type is this?
- Physical hazard from vibration
- Biological hazard
- Chemical hazard
- Ergonomic hazard from awkward posture (Correct answer)
Correct answer: Ergonomic hazard from awkward posture
Sustained awkward postures such as overhead work cause musculoskeletal strain and are classified as ergonomic hazards.
Question 220: A 3-year-old child is found unresponsive and not breathing. You are alone. What should you do first?
- Start an AED immediately
- Give 2 minutes of CPR, then call 911 (Correct answer)
- Call 911 immediately before doing anything else
- Give 5 back blows in case of choking
Correct answer: Give 2 minutes of CPR, then call 911
For children, provide 2 minutes of CPR before leaving to call 911, as cardiac arrest in children is often respiratory in origin.
Question 221: An AED delivers a shock and the victim remains unresponsive. What should you do next?
- Administer another shock right away
- Wait 2 minutes before checking again
- Immediately resume CPR starting with compressions (Correct answer)
- Check for a pulse for 30 seconds
Correct answer: Immediately resume CPR starting with compressions
After a shock is delivered, CPR should resume immediately starting with chest compressions without pausing to check for a pulse.
Question 222: How often should NSC compliance training be conducted?
- At regular intervals as required by regulations (Correct answer)
- Only when violations occur
- Every five years
- Only during initial orientation
Correct answer: At regular intervals as required by regulations
Compliance training must be conducted at regular intervals as specified by applicable regulations to keep practitioners current.
Question 223: According to NSC and NFPA, what should be done with flammable liquids stored in a workplace?
- Stored under workbenches to save space
- Stored in approved safety containers in a dedicated flammable storage cabinet or room (Correct answer)
- Kept in original manufacturer containers only, regardless of type
- Stored near the exit for quick removal
Correct answer: Stored in approved safety containers in a dedicated flammable storage cabinet or room
Flammable liquids must be stored in approved safety containers inside dedicated flammable storage cabinets to prevent ignition.
Question 224: What is the maximum gap allowed between a safety net and the work surface it protects below according to OSHA?
- 10 feet
- 20 feet
- No specific limit
- 30 feet (Correct answer)
Correct answer: 30 feet
OSHA requires safety nets to be installed as close as practicable below the work surface and no more than 30 feet below it.
Question 225: Which extinguishing agent is recommended for Class C (energized electrical equipment) fires?
- Foam
- Wet chemical
- Water
- Carbon dioxide (CO2) or dry chemical (Correct answer)
Correct answer: Carbon dioxide (CO2) or dry chemical
CO2 and dry chemical agents are non-conductive and safe for use on energized electrical equipment fires.
Question 226: What is the recommended keyboard tray position to maintain a neutral wrist posture while typing?
- At chin height
- Tilted upward (positive tilt) at 15 degrees
- Level or slightly tilted downward (negative tilt) (Correct answer)
- Below the knees
Correct answer: Level or slightly tilted downward (negative tilt)
A level or negative-tilt keyboard position allows the wrists to remain straight and reduces ulnar deviation and wrist extension.
Question 227: What is the role of a Community Emergency Response Team (CERT) member?
- To replace professional first responders at major disaster scenes
- To support professional responders and assist neighbors with basic disaster response skills (Correct answer)
- To manage federal disaster funding distribution
- To operate emergency communications infrastructure
Correct answer: To support professional responders and assist neighbors with basic disaster response skills
CERT members are trained volunteers who support professional responders by performing basic rescue, first aid, and fire suppression until help arrives.
Question 228: Which condition requires immediate use of an epinephrine auto-injector?
- Mild allergic rash
- Fainting episode
- Asthma attack
- Severe anaphylaxis with throat swelling (Correct answer)
Correct answer: Severe anaphylaxis with throat swelling
Epinephrine is the first-line treatment for anaphylaxis, a life-threatening allergic reaction involving airway compromise.
Question 229: Which ASAM dimension addresses a client's readiness and interest in changing their substance use behavior?
- Dimension 4: Readiness to Change (Correct answer)
- Dimension 6: Recovery Environment
- Dimension 5: Relapse/Continued Use Potential
- Dimension 1: Acute Intoxication/Withdrawal
Correct answer: Dimension 4: Readiness to Change
ASAM Dimension 4 β Readiness to Change β assesses the client's motivation, engagement, and stage of change for treatment planning.
Question 230: What is the primary purpose of a 'Toolbox Talk'?
- To train workers on complex emergency evacuation procedures
- To conduct a brief worksite safety discussion on the day's hazards (Correct answer)
- To formally document OSHA compliance
- To review project budgets before a shift
Correct answer: To conduct a brief worksite safety discussion on the day's hazards
A Toolbox Talk is a short, informal safety meeting focused on hazards specific to the tasks planned for that day.
Question 231: In NSC certification, what is the primary purpose of regulatory compliance programs?
- To eliminate competition
- To increase revenue
- To ensure adherence to laws and standards (Correct answer)
- To reduce staffing needs
Correct answer: To ensure adherence to laws and standards
Regulatory compliance programs are designed to ensure organizations follow applicable laws, regulations, and standards.
Question 232: Which factor most commonly contributes to hydroplaning?
- Driving too fast on wet roads with worn tires (Correct answer)
- Driving on warm asphalt
- Using all-season tires in rain
- Having tires inflated above recommended PSI
Correct answer: Driving too fast on wet roads with worn tires
Hydroplaning occurs when water builds up under tires faster than it can be displaced, and worn tires or excess speed worsen this effect.
Question 233: Among the objectives of cystic fibrosis treatment are:
- Sodium restriction
- Pancreatic enzyme replacement & Increased energy, protein, and fat intakes (Correct answer)
- Increased energy, protein, and fat intakes
- Pancreatic enzyme replacement
Correct answer: Pancreatic enzyme replacement & Increased energy, protein, and fat intakes
Cystic fibrosis causes pancreatic insufficiency, leading to malabsorption of fats, proteins, and fat-soluble vitamins. Therefore, pancreatic enzyme replacement is essential to improve digestion and nutrient absorption. Additionally, patients with cystic fibrosis have increased energy needs due to chronic infection and malabsorption, requiring significantly higher intakes of energy, protein, and fat to maintain nutritional status and support growth.
Question 234: A victim has a chemical burn to the eye. What is the correct first aid?
- Cover the eye with a dry bandage
- Rub the eye to remove the chemical
- Apply burn cream directly to the eye
- Flush the eye with large amounts of water for at least 15β20 minutes (Correct answer)
Correct answer: Flush the eye with large amounts of water for at least 15β20 minutes
Immediate and prolonged irrigation with water is critical to dilute and remove the chemical from the eye.
Question 235: Which type of OSHA inspection receives the highest priority?
- Imminent danger investigations (Correct answer)
- Referral inspections
- Follow-up inspections
- Programmed inspections
Correct answer: Imminent danger investigations
OSHA prioritizes inspections in order, with imminent danger situations receiving the highest priority.
Question 236: Omega-3 fatty acids are recommended in occupational health nutrition primarily because they help to:
- Accelerate fat storage for energy reserves
- Increase LDL cholesterol levels
- Replace the need for dietary protein
- Reduce inflammation and lower cardiovascular disease risk (Correct answer)
Correct answer: Reduce inflammation and lower cardiovascular disease risk
Omega-3 fatty acids have anti-inflammatory properties and lower triglyceride levels, significantly reducing the risk of heart disease.
Question 237: Excessive consumption of which mineral is most closely linked to elevated blood pressure in workers?
- Potassium
- Sodium (Correct answer)
- Calcium
- Iron
Correct answer: Sodium
High sodium intake causes the body to retain water, increasing blood volume and blood pressure, raising the risk of hypertension.
Question 238: Which of the following goals does the National Health and Nutrition Examination Survey (NHANES) aim to achieve?
- Collection of dietary data using 24-hour recalls (Correct answer)
- Identification of low birth weight infants
- Ongoing collection of health data from Americans < 65 years of age
- Treatment for elevated blood lipid levels
Correct answer: Collection of dietary data using 24-hour recalls
The National Health and Nutrition Examination Survey (NHANES) is a major program conducted by the CDC to assess the health and nutritional status of adults and children in the United States. A core objective of NHANES is to collect comprehensive dietary intake data from participants, primarily through two 24-hour dietary recalls, to monitor national trends in diet and nutrition over time.
Question 239: A worker frequently skips breakfast before a long shift. What is the most likely nutritional consequence?
- Reduced blood glucose leading to fatigue (Correct answer)
- Improved concentration
- Increased muscle mass
- Decreased caloric need
Correct answer: Reduced blood glucose leading to fatigue
Skipping breakfast can cause blood glucose to drop, impairing alertness, concentration, and physical performance during a shift.
Question 240: During a clinical evaluation, which type of consent must be obtained before releasing substance use treatment records?
- Verbal consent documented in the chart
- Implied consent based on referral
- Specific written consent compliant with 42 CFR Part 2 (Correct answer)
- General medical consent
Correct answer: Specific written consent compliant with 42 CFR Part 2
42 CFR Part 2 imposes stricter confidentiality requirements on substance use disorder records than HIPAA, requiring specific written authorization for disclosure.
Question 241: When using an AED on a victim with a pacemaker, what should you do?
- Use half the normal energy setting on the AED
- Avoid placing pads directly over the pacemaker device (Correct answer)
- Do not use an AED on anyone with a pacemaker
- Place pads directly over the pacemaker for best conductivity
Correct answer: Avoid placing pads directly over the pacemaker device
AED pads should be placed at least 1 inch away from an implanted pacemaker or defibrillator to avoid interference.
Question 242: Which approach best describes risk-based compliance management in the NSC field?
- Focusing only on past incidents
- Treating all risks equally
- Prioritizing resources based on risk severity and likelihood (Correct answer)
- Eliminating all possible risks
Correct answer: Prioritizing resources based on risk severity and likelihood
Risk-based compliance management involves assessing and prioritizing risks by their severity and likelihood to allocate resources effectively.
Question 243: For an infant (under 1 year) who is unresponsive with no normal breathing, what compression depth is correct?
- Half the depth used for adults
- About 1.5 inches (4 cm) (Correct answer)
- At least 2 inches
- About 1 inch (2.5 cm)
Correct answer: About 1.5 inches (4 cm)
For infants, compressions should be about 1.5 inches (4 cm) deep, using two fingers on the center of the chest.
Question 244: Which screening tool is commonly used by NSC-trained counselors to assess alcohol use disorder severity?
- GAD-7
- AUDIT (Correct answer)
- PCL-5
- PHQ-9
Correct answer: AUDIT
The Alcohol Use Disorders Identification Test (AUDIT) is the standard 10-item screening tool used to identify hazardous, harmful, and dependent alcohol use.
Question 245: Under OSHA's Hazard Communication Standard (HazCom), how many sections must a Safety Data Sheet (SDS) contain?
- 20
- 8
- 16 (Correct answer)
- 12
Correct answer: 16
OSHA's HazCom Standard (29 CFR 1910.1200) requires SDSs to follow a standardized 16-section format aligned with the GHS.
Question 246: During clinical evaluation, a client admits to using heroin daily for two years but says they 'can quit anytime.' This reflects which concept?
- Denial (Correct answer)
- Cognitive dissonance only
- Secondary trauma
- Dual diagnosis
Correct answer: Denial
Denial in substance use disorders involves minimizing, rationalizing, or failing to acknowledge the severity and consequences of one's use.
Question 247: What is 'inattentional blindness' in the context of defensive driving?
- Difficulty seeing in low-light conditions
- Failing to see an object in plain sight because attention is focused elsewhere (Correct answer)
- Temporary vision loss from bright headlights
- Legally blind drivers who obtain restricted licenses
Correct answer: Failing to see an object in plain sight because attention is focused elsewhere
Inattentional blindness means the brain misses visible hazards when cognitive attention is diverted, as with phone use.
Question 248: In OSHA's hierarchy of controls, which control method is considered most effective at reducing hazards?
- Engineering controls
- Elimination (Correct answer)
- Administrative controls
- PPE
Correct answer: Elimination
Elimination β physically removing the hazard β is the most effective method in OSHA's hierarchy of controls.
Question 249: A construction worker has a large piece of metal impaled in his thigh. What is the correct first aid approach?
- Remove the object immediately to control bleeding
- Apply a tourniquet above the impaled object immediately
- Leave the object in place and stabilize it with bulky dressings (Correct answer)
- Pack the wound tightly around the object with gauze
Correct answer: Leave the object in place and stabilize it with bulky dressings
An impaled object should never be removed because it may be plugging blood vessels; stabilize it in place and await EMS.
Question 250: Which of the following is an example of an ergonomic hazard in the workplace?
- Repetitive motion tasks performed daily (Correct answer)
- Loud machinery noise above 85 dB
- Spilled chemicals on the floor
- Exposed electrical wiring
Correct answer: Repetitive motion tasks performed daily
Ergonomic hazards include repetitive motions, awkward postures, and forceful exertions that can lead to musculoskeletal disorders.
Certified Nutrition Support Clinician (CNSC)
The CNSC credential validates advanced clinical knowledge in enteral and parenteral nutrition support for healthcare professionals managing patients in acute and chronic care settings. The exam is administered by the National Board of Nutrition Support Certification (NBNSC).
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong β answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds