NBSTSA Certified Surgical Technologist (CST) — Questions and Answers
Question 1: When implementing professional ethics & legal compliance practices, what should a CST professional prioritize first?
- Cost reduction at all levels
- Personal convenience and efficiency
- Speed of completion over thoroughness
- Compliance with established standards and protocols (Correct answer)
Correct answer: Compliance with established standards and protocols
Compliance with established standards and protocols must be the first priority, as it ensures safety, quality, and legal adherence in professional practice.
Question 2: Epinephrine is often added to local anesthetics for which primary purpose?
- To reduce systemic toxicity by causing vasoconstriction (Correct answer)
- To alkalinize the solution for better diffusion
- To increase the speed of onset
- To extend the duration by increasing blood flow
Correct answer: To reduce systemic toxicity by causing vasoconstriction
Epinephrine causes vasoconstriction at the injection site, slowing absorption and reducing systemic toxicity while prolonging the block.
Question 3: Which quality improvement method is most applicable to evidence-based practice & research methods in Certified Surgical Technician?
- Making changes only when mandated by regulators
- Plan-Do-Check-Act (PDCA) continuous improvement cycle (Correct answer)
- Ignoring feedback and maintaining status quo
- Implementing changes without measuring outcomes
Correct answer: Plan-Do-Check-Act (PDCA) continuous improvement cycle
The PDCA cycle is widely recognized as the most effective quality improvement method, allowing CST professionals to systematically improve evidence-based practice & research methods practices.
Question 4: In Anatomy & Physiology for Surgery, what is the FIRST step a CST professional should take when encountering a new case or situation?
- Implement an immediate solution based on past experience
- Document the situation and wait for further instructions
- Conduct a comprehensive assessment and gather all relevant information (Correct answer)
- Consult with a supervisor before taking any action
Correct answer: Conduct a comprehensive assessment and gather all relevant information
In Anatomy & Physiology for Surgery, a thorough initial assessment ensures all relevant factors are identified before deciding on an appropriate course of action. This systematic approach is fundamental to Certified Surgical Technician practice.
Question 5: The surgeon requests an additional lap sponge during closure after the sponge count has been completed. The scrub ST should:
- Add the sponge to the count with the circulator before passing it to the surgeon (Correct answer)
- Pass the sponge immediately without adjusting the count to avoid delaying closure
- Refuse to pass additional sponges after the closing count is complete
- Ask the surgeon to document the addition in the operative note instead
Correct answer: Add the sponge to the count with the circulator before passing it to the surgeon
Any item added to the sterile field after a count must be counted in with the circulator before use to maintain count accuracy.
Question 6: The circulating nurse reports that the sterilization log shows a flash (immediate-use steam sterilization) cycle was used for an implant due to a dropped instrument. What is the CORRECT response?
- Proceed normally; flash sterilization is equivalent to terminal sterilization for implants
- Document the event and inform the surgeon; flash sterilization of implants requires special documentation and justification (Correct answer)
- Use the implant only if the surgeon agrees verbally
- Discard the implant without documentation
Correct answer: Document the event and inform the surgeon; flash sterilization of implants requires special documentation and justification
AORN guidelines state that flash sterilization of implants should be avoided except in urgent situations and must be fully documented with justification and biological indicator results.
Question 7: How does risk management apply to daily practice in Surgical Pharmacology for Certified Surgical Technician professionals?
- By avoiding high-risk situations entirely
- Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
- Through annual safety audits exclusively
- Only through responding to incidents after they occur
Correct answer: Through proactive identification of potential hazards and implementation of preventive measures
Effective risk management in Surgical Pharmacology requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.
Question 8: When should suction be prepared?
- When the surgeon asks
- After surgery
- Before the incision is made (Correct answer)
- During closing
Correct answer: Before the incision is made
Suction equipment must be prepared and functional before the surgical incision is made to ensure immediate availability for fluid and blood removal. This readiness is essential for maintaining a clear surgical field, allowing the surgeon to visualize anatomy, and responding quickly to any unexpected bleeding.
Question 9: Which intraoperative complication is characterized by a sudden rise in end-tidal CO2, hyperthermia, and muscle rigidity?
- Anaphylaxis
- Neuroleptic malignant syndrome
- Pulmonary embolism
- Malignant hyperthermia (Correct answer)
Correct answer: Malignant hyperthermia
Malignant hyperthermia is a hypermetabolic crisis triggered by certain anesthetic agents, presenting with rising CO2, hyperthermia, and rigidity.
Question 10: The Trendelenburg position is defined as the patient positioned:
- Lateral with the operative side facing up
- Supine with the feet lower than the head
- Prone with the head higher than the feet
- Supine with the head tilted lower than the feet (Correct answer)
Correct answer: Supine with the head tilted lower than the feet
In Trendelenburg, the patient lies supine on a table tilted so the head is lower than the feet, improving venous return and used for pelvic or lower abdominal surgery.
Question 11: Which postoperative action helps prevent surgical site infections (SSI) related to the scrub ST's role?
- Removing gloves before passing the final dressing materials
- Administering prophylactic antibiotics to the patient before leaving the OR
- Maintaining sterile technique throughout closure and applying a sterile dressing (Correct answer)
- Adjusting OR temperature to below 65°F during the postoperative phase
Correct answer: Maintaining sterile technique throughout closure and applying a sterile dressing
Maintaining strict sterile technique through wound closure and sterile dressing application is the scrub ST's primary contribution to SSI prevention.
Question 12: During a laparoscopic procedure, the sterile technologist's hands and arms should be kept:
- Below the level of the OR table
- At waist level or higher within the sterile zone (Correct answer)
- Wherever is most comfortable during long procedures
- At shoulder level to maintain visibility
Correct answer: At waist level or higher within the sterile zone
Hands and arms must remain at or above waist level within the sterile zone because areas below waist level are considered unsterile.
Question 13: Which of the following is the primary purpose of applying a tourniquet during extremity surgery?
- Prevent venous thromboembolism
- Provide a bloodless operative field (Correct answer)
- Stabilize the limb on the OR table
- Reduce the risk of nerve injury
Correct answer: Provide a bloodless operative field
A tourniquet inflated proximal to the surgical site occludes arterial and venous blood flow, creating a bloodless field that improves visibility.
Question 14: The scrub technologist should prepare suture for the surgeon by:
- Opening all suture packages at the start of the case regardless of need
- Organizing suture by type and size according to the surgeon's preference card (Correct answer)
- Cutting all sutures to equal 6-inch lengths before the procedure
- Soaking all sutures in saline to improve tensile strength
Correct answer: Organizing suture by type and size according to the surgeon's preference card
The scrub technologist organizes sutures according to the surgeon's preference card to ensure the correct materials are available in the proper order.
Question 15: What is the significance of peer review in communication & interprofessional collaboration for CST professionals?
- It promotes accountability, knowledge sharing, and quality improvement (Correct answer)
- It replaces the need for self-assessment
- It is only relevant for newly certified professionals
- It is primarily used for disciplinary purposes
Correct answer: It promotes accountability, knowledge sharing, and quality improvement
Peer review promotes accountability, knowledge sharing, and quality improvement by allowing CST professionals to benefit from collective expertise and identify areas for growth.
Question 16: Which inhalation agent is known to sensitize the myocardium to catecholamine-induced arrhythmias?
- Sevoflurane
- Isoflurane
- Halothane (Correct answer)
- Desflurane
Correct answer: Halothane
Halothane sensitizes the myocardium to epinephrine, making arrhythmias more likely when catecholamines are used.
Question 17: Which of the following is the MOST important reason to perform a pre-incision Time Out?
- To verify the OR suite is at the correct temperature
- To confirm correct patient, site, side, procedure, and position before incision (Correct answer)
- To allow the anesthesia provider to check vital signs
- To ensure instrument counts are complete
Correct answer: To confirm correct patient, site, side, procedure, and position before incision
The Time Out (per Joint Commission Universal Protocol) pauses all activity to verify the five rights: patient, procedure, site, side, and position.
Question 18: The scrub technologist's primary role during patient positioning is to:
- Assess pressure points and neurovascular status postoperatively
- Operate positioning devices and direct team members
- Document all positional aids used in the intraoperative record
- Maintain sterility of the surgical field while assisting positioning as needed (Correct answer)
Correct answer: Maintain sterility of the surgical field while assisting positioning as needed
The scrub technologist must remain focused on maintaining sterile field integrity while supporting team positioning efforts without contaminating sterile items.
Question 19: During a Whipple procedure (pancreaticoduodenectomy), which structure is anastomosed to the jejunum to restore biliary drainage?
- Cystic duct
- Hepatic artery
- Gallbladder fundus
- Common bile duct (choledochojejunostomy) (Correct answer)
Correct answer: Common bile duct (choledochojejunostomy)
A choledochojejunostomy reconnects the common bile duct to a loop of jejunum to restore bile flow after removal of the head of the pancreas.
Question 20: After a case involving an infectious patient under contact precautions, the scrub ST should:
- Use standard processing for all instruments and discard only the gown
- Follow the facility's enhanced PPE removal protocol and decontaminate all reusable items per infection control policy (Correct answer)
- Alert pathology but otherwise proceed with routine postoperative cleanup
- Delay instrument processing until infectious disease clears the room
Correct answer: Follow the facility's enhanced PPE removal protocol and decontaminate all reusable items per infection control policy
Enhanced PPE doffing and infection-control-compliant instrument processing are required for cases involving contact precaution patients to prevent cross-contamination.
Question 21: Which drug is used intraoperatively to reduce secretions and prevent bradycardia during general anesthesia?
- Metoprolol
- Atropine sulfate applied topically
- Glycopyrrolate (Correct answer)
- Neostigmine
Correct answer: Glycopyrrolate
Glycopyrrolate is an anticholinergic agent that reduces oral and airway secretions and helps prevent vagally mediated bradycardia.
Question 22: Which graft material is most commonly used for an abdominal aortic aneurysm open repair?
- Bovine pericardium
- PTFE patch only
- Woven Dacron (polyester) prosthesis (Correct answer)
- Autologous saphenous vein
Correct answer: Woven Dacron (polyester) prosthesis
Woven Dacron (polyester) tube or bifurcated grafts are the standard prosthetic conduit for open AAA repair due to durability and handling characteristics.
Question 23: Which anatomical space is entered during a lumbar laminectomy?
- Subarachnoid space
- Subdural space
- Ventricular space
- Epidural space (Correct answer)
Correct answer: Epidural space
Lumbar laminectomy removes the lamina to access the epidural space and decompress the spinal cord or nerve roots.
Question 24: When positioning a patient in the prone position, padding should be placed primarily under which structures?
- Shoulders, elbows, and ankles
- Chest/thorax, hips/iliac crests, and knees (Correct answer)
- Occiput, sacrum, and heels
- Forehead, thighs, and calves
Correct answer: Chest/thorax, hips/iliac crests, and knees
Prone positioning requires padding under the chest and iliac crests to protect the thorax and allow diaphragm excursion, and under the knees to prevent hyperextension.
Question 25: What is the role of the surgical technologist during the time-out?
- To actively participate and confirm patient identity, site, and procedure (Correct answer)
- To document the time-out in the medical record
- To verify anesthesia readiness only
- To prepare the next instrument set while the surgeon leads the time-out
Correct answer: To actively participate and confirm patient identity, site, and procedure
All OR team members, including the surgical technologist, must actively participate in the time-out and verbally confirm the required safety information.
Question 26: During a procedure, a Mayo stand is moved away from the sterile field and positioned over the patient's legs. The items on the Mayo stand are:
- Sterile as long as the items were not dropped
- Contaminated because the stand moved below waist level briefly
- Unsterile because the stand is now over an unsterile patient area
- Still sterile because the stand was not touched by anyone (Correct answer)
Correct answer: Still sterile because the stand was not touched by anyone
The Mayo stand remains sterile as long as its contents were not contaminated during the move and it stays within the sterile zone at table level.
Question 27: Which hair removal method is preferred to minimize surgical site infection (SSI) risk?
- Clipping hair immediately before the procedure (Correct answer)
- Razor shave the night before surgery
- Razor shave immediately before incision
- Depilatory cream applied 48 hours prior
Correct answer: Clipping hair immediately before the procedure
Clipping (not shaving) immediately before the procedure is preferred because it causes fewer microabrasions that could harbor bacteria.
Question 28: How should a CST professional handle a situation where professional ethics & legal compliance protocols conflict with practical constraints?
- Make a unilateral decision without consultation
- Avoid addressing the conflict entirely
- Document the conflict and seek guidance from appropriate authorities (Correct answer)
- Always ignore the protocols in favor of practicality
Correct answer: Document the conflict and seek guidance from appropriate authorities
When protocols conflict with practical constraints, the professional approach is to document the conflict and seek guidance, ensuring transparency and compliance while working toward a resolution.
Question 29: The sterile field should be established how far in advance of the scheduled procedure start time?
- As far in advance as needed for efficiency
- At least 2 hours before to allow for airing out
- No more than 30 minutes before the procedure (Correct answer)
- Exactly 1 hour before incision time
Correct answer: No more than 30 minutes before the procedure
AORN recommends the sterile field be set up as close to the time of use as possible, with no more than 30 minutes considered acceptable by many facilities.
Question 30: Which segment of the nephron is primarily responsible for concentrating urine by reabsorbing water without solutes?
- Collecting duct (Correct answer)
- Loop of Henle ascending limb
- Proximal convoluted tubule
- Glomerulus
Correct answer: Collecting duct
The collecting duct reabsorbs water in response to ADH (antidiuretic hormone), concentrating the final urine.
Question 31: What is the primary purpose of a towel clamp (Backhaus clamp) in the sterile field?
- Securing sterile drapes to the patient (Correct answer)
- Grasping tissue specimens
- Clamping blood vessels
- Holding retractors in place
Correct answer: Securing sterile drapes to the patient
Backhaus (towel) clamps have sharp, penetrating tips used to secure sterile drapes to the patient and to each other during draping.
Question 32: Which topical hemostatic agent is derived from oxidized regenerated cellulose and works by providing a physical matrix for clot formation?
- Thrombin
- Surgicel (Correct answer)
- Bone wax
- Gelfoam
Correct answer: Surgicel
Surgicel (oxidized regenerated cellulose) is an absorbable hemostatic fabric that provides a physical scaffold for platelet aggregation and clot formation.
Question 33: A self-retaining retractor such as the Balfour is used primarily for exposure of which surgical area?
- Thoracic cavity
- Spinal column
- Cranial vault
- Abdominal cavity (Correct answer)
Correct answer: Abdominal cavity
The Balfour retractor is a large, self-retaining abdominal retractor with a central blade and two lateral blades used for open abdominal procedures.
Question 34: Which OR lighting system provides the most shadow-free illumination of the operative field?
- Multi-source LED overhead surgical lights (Correct answer)
- Single overhead halogen spotlight
- Reflected ambient room lighting
- Fiberoptic headlamp only
Correct answer: Multi-source LED overhead surgical lights
Multi-source LED surgical lights illuminate from multiple angles simultaneously, eliminating shadows and providing consistent, color-accurate lighting of the operative field.
Question 35: During a craniotomy, which powered instrument is used to cut through the skull?
- Stryker cast saw
- Craniotome (pneumatic or electric) (Correct answer)
- Oscillating saw
- Gigli saw
Correct answer: Craniotome (pneumatic or electric)
A craniotome (also called a perforator/drill with a craniotome attachment) is used to make burr holes and cut the bone flap during a craniotomy.
Question 36: What is the recommended minimum air exchange rate per hour in a standard operating room?
- 15 exchanges per hour
- 20 exchanges per hour (Correct answer)
- 10 exchanges per hour
- 25 exchanges per hour
Correct answer: 20 exchanges per hour
AORN guidelines recommend a minimum of 20 air exchanges per hour in the OR to minimize airborne contamination.
Question 37: Which opioid is commonly delivered via epidural infusion for postoperative pain management and has high lipid solubility?
- Hydromorphone
- Fentanyl (Correct answer)
- Morphine
- Codeine
Correct answer: Fentanyl
Fentanyl's high lipid solubility allows rapid onset and segmental analgesia when delivered epidurally.
Question 38: What is the primary mechanism of action of heparin in surgical patients?
- Directly dissolves existing clots
- Inhibits platelet aggregation
- Activates antithrombin III to inhibit thrombin (Correct answer)
- Inhibits vitamin K-dependent clotting factors
Correct answer: Activates antithrombin III to inhibit thrombin
Heparin works by activating antithrombin III, which then inhibits thrombin and other clotting factors.
Question 39: Which of the following is a sign of air embolism during a surgical procedure?
- Gradual rise in blood pressure
- Elevated core body temperature
- Sudden decrease in end-tidal CO2 with hypotension (Correct answer)
- Muscle fasciculations
Correct answer: Sudden decrease in end-tidal CO2 with hypotension
Air embolism causes a sudden drop in end-tidal CO2 as air obstructs pulmonary circulation, accompanied by cardiovascular collapse.
Question 40: When a conflict arises between standard procedures and a unique situation in Operating Room Setup & Management, what should a CST professional prioritize?
- Strict adherence to written procedures without exception
- The preference of the client or stakeholder
- The most cost-effective solution available
- Safety and ethical obligations while seeking expert consultation (Correct answer)
Correct answer: Safety and ethical obligations while seeking expert consultation
Safety and ethics always take priority in Operating Room Setup & Management. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.
Question 41: Normothermia is maintained intraoperatively primarily because hypothermia can cause:
- Excessive blood pressure and intraoperative hypertension
- Coagulopathy, surgical site infection risk, and cardiac dysrhythmias (Correct answer)
- Elevated blood glucose and wound dehiscence
- Increased anesthetic requirement and prolonged emergence
Correct answer: Coagulopathy, surgical site infection risk, and cardiac dysrhythmias
Intraoperative hypothermia impairs platelet function and coagulation cascade enzymes, increases SSI risk, and predisposes to cardiac arrhythmias.
Question 42: What ethical consideration is most relevant to professional ethics & legal compliance in CST practice?
- Prioritizing personal advancement over professional duties
- Following only those rules that are convenient
- Maintaining confidentiality and acting in the best interest of stakeholders (Correct answer)
- Avoiding all professional development activities
Correct answer: Maintaining confidentiality and acting in the best interest of stakeholders
Maintaining confidentiality and acting in the best interest of stakeholders is the cornerstone ethical consideration for professional ethics & legal compliance in professional practice.
Question 43: What is the purpose of irrigating a surgical wound with warm normal saline intraoperatively?
- To cool the electrosurgery unit
- To dilute local anesthetic
- To remove debris and reduce bacterial load (Correct answer)
- To activate hemostatic agents
Correct answer: To remove debris and reduce bacterial load
Wound irrigation with warm saline removes blood clots, tissue debris, and bacteria, reducing infection risk.
Question 44: What is the PRIMARY purpose of continuing education requirements in Operating Room Setup & Management for CST professionals?
- Fulfilling mandatory regulatory requirements only
- Networking with other professionals in the field
- Maintaining current knowledge and competency as the field evolves (Correct answer)
- Earning additional credentials for career advancement
Correct answer: Maintaining current knowledge and competency as the field evolves
Continuing education in Operating Room Setup & Management ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.
Question 45: Which standard of practice is MOST important for ensuring quality in Surgical Asepsis & Sterile Technique?
- Strictly adhering to the same procedure in every situation
- Minimizing documentation to focus on practical work
- Following evidence-based protocols while adapting to specific circumstances (Correct answer)
- Using the most advanced technology available regardless of need
Correct answer: Following evidence-based protocols while adapting to specific circumstances
Evidence-based protocols provide a foundation of proven practices, but effective Certified Surgical Technician professionals must also adapt their approach based on specific circumstances and individual case needs within Surgical Asepsis & Sterile Technique.
Question 46: Which of the following is a semi-critical item per Spaulding classification?
- Blood pressure cuff
- Surgical scalpel blade
- Laryngoscope blade (Correct answer)
- Bed rail
Correct answer: Laryngoscope blade
Laryngoscope blades contact mucous membranes and require at minimum high-level disinfection, classifying them as semi-critical items.
Question 47: During a laparoscopic cholecystectomy, the surgical technologist should ensure the CO2 insufflation pressure is maintained at which level?
- 5–8 mmHg
- 10–15 mmHg (Correct answer)
- 20–25 mmHg
- 30–35 mmHg
Correct answer: 10–15 mmHg
Intraabdominal pressure is typically maintained at 10–15 mmHg to allow adequate visualization while minimizing physiological effects.
Question 48: Which suture is most appropriate for anastomosing bowel segments during intestinal resection?
- Nylon monofilament
- Stainless steel wire
- Silk (non-absorbable)
- Polyglycolic acid (absorbable) (Correct answer)
Correct answer: Polyglycolic acid (absorbable)
Absorbable sutures such as polyglycolic acid (Vicryl/Dexon) are preferred for bowel anastomoses as the suture is absorbed after the tissue has healed.
Question 49: A sterile field is considered contaminated when:
- A scrub technician reaches over the unsterile instrument table
- A sterile package is opened and placed on the field by the circulator from a distance of 12 inches
- A scrubbed team member turns away from the field momentarily
- Moisture soaks through a sterile drape to the surface below (Correct answer)
Correct answer: Moisture soaks through a sterile drape to the surface below
Strike-through contamination occurs when moisture creates a pathway for microorganisms through a sterile drape to an unsterile surface below.
Question 50: What is the purpose of a Mayo stand in the OR?
- To elevate the operative field
- To support the surgeon's arms during long procedures
- To hold sterile supplies in reserve
- To hold instruments immediately needed during surgery (Correct answer)
Correct answer: To hold instruments immediately needed during surgery
The Mayo stand holds instruments that will be immediately needed during the current phase of surgery, keeping them within easy reach.
Question 51: Which suture is MOST appropriate for closing fascia in a high-tension abdominal closure?
- Silk 2-0
- Plain gut 3-0
- Polypropylene #1 (Correct answer)
- Chromic gut 2-0
Correct answer: Polypropylene #1
Polypropylene (Prolene) #1 is a non-absorbable, high-tensile monofilament suture ideal for fascial closure under tension.
Question 52: How does risk management apply to daily practice in Surgical Asepsis & Sterile Technique for Certified Surgical Technician professionals?
- Only through responding to incidents after they occur
- By avoiding high-risk situations entirely
- Through annual safety audits exclusively
- Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
Correct answer: Through proactive identification of potential hazards and implementation of preventive measures
Effective risk management in Surgical Asepsis & Sterile Technique requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.
Question 53: Which patient condition warrants special attention to padding during positioning?
- Patient with a healed appendectomy scar
- Patient with type I diabetes
- Patient with a history of migraine headaches
- Elderly patient with osteoporosis and thin skin (Correct answer)
Correct answer: Elderly patient with osteoporosis and thin skin
Elderly patients with osteoporosis have fragile bones and thin, friable skin, making them highly susceptible to pressure injuries and fractures from inadequate padding.
Question 54: When pouring sterile solution into a sterile basin on the field, the circulator should hold the bottle:
- At the edge of the table tilting sideways
- As close to the basin as possible to prevent splashing
- Directly over the center of the sterile field for accuracy
- At least 6 inches above the basin without reaching over the field (Correct answer)
Correct answer: At least 6 inches above the basin without reaching over the field
The circulator holds the bottle at least 6 inches above the basin to prevent contamination while avoiding reaching over the sterile field.
Question 55: Why is the patient NPO before surgery?
- To prevent aspiration during anesthesia (Correct answer)
- To improve blood flow
- To avoid bloating
- To prevent dehydration
Correct answer: To prevent aspiration during anesthesia
Patients are required to be NPO (Nil per os, meaning 'nothing by mouth') before surgery to prevent pulmonary aspiration. During anesthesia, the body's protective reflexes, such as the gag reflex, are suppressed. If there is food or liquid in the stomach, it can be regurgitated and then aspirated into the lungs, leading to severe respiratory complications like pneumonia.
Question 56: When sterilizing a container system (rigid sterilization container), the filter or valve must be:
- Checked for integrity before use and replaced if damaged or wet (Correct answer)
- Left in place permanently as it is a single-use component
- Inspected and replaced before every use regardless of condition
- Removed during the sterilization cycle to allow steam entry
Correct answer: Checked for integrity before use and replaced if damaged or wet
Container filters and valves must be inspected before each use; damaged or moist filters compromise sterile barrier integrity and must be replaced.
Question 57: What is the correct order of postoperative counts for a laparotomy?
- Counts are only required when a discrepancy is suspected
- Sharps, sponges, instruments — performed before closing each layer (Correct answer)
- Sponges first at closure, then instruments after the patient leaves
- Instruments only, performed once at the very end of the case
Correct answer: Sharps, sponges, instruments — performed before closing each layer
Sharps, sponges, and instruments are counted before closing each anatomical layer per AORN guidelines to ensure nothing is retained.
Question 58: During a craniotomy, what is the purpose of applying bone wax to the cut edges of the skull?
- To prevent infection
- To attach the bone flap
- To seal the dura mater
- To control bleeding from the diploic bone (Correct answer)
Correct answer: To control bleeding from the diploic bone
Bone wax is a hemostatic agent mechanically packed into the diploic (cancellous) layer of the skull to control bleeding from bone edges.
Question 59: What is the correct intraabdominal CO₂ pressure maintained during most laparoscopic procedures in adults?
- 25–30 mmHg
- 18–22 mmHg
- 5–8 mmHg
- 10–15 mmHg (Correct answer)
Correct answer: 10–15 mmHg
Standard pneumoperitoneum for laparoscopic surgery in adults is maintained at 10–15 mmHg to provide adequate visualization while minimizing physiologic stress.
Question 60: What is the minimum exposure time for a gravity displacement steam sterilizer operating at 250°F (121°C) for a wrapped instrument set?
- 15 minutes
- 10 minutes
- 45 minutes
- 30 minutes (Correct answer)
Correct answer: 30 minutes
Wrapped instrument sets in a gravity displacement cycle at 121°C require a minimum of 30 minutes exposure time.
Question 61: After a case, the scrub ST notices a surgical instrument is cracked. The correct action is to:
- Remove it from service, tag it as damaged, and follow facility protocol for repair or replacement (Correct answer)
- Use it for one more case if the crack is minor and then discard
- Wrap it separately and return it to the sterile processing department without notification
- Sterilize it as usual and flag it for inspection at next use
Correct answer: Remove it from service, tag it as damaged, and follow facility protocol for repair or replacement
Damaged instruments must be removed from service immediately, tagged, and reported per facility policy to prevent patient injury and ensure instrument integrity.
Question 62: Which structure passes through the carpal tunnel along with the flexor tendons?
- Ulnar artery
- Radial nerve
- Median nerve (Correct answer)
- Ulnar nerve
Correct answer: Median nerve
The median nerve passes through the carpal tunnel beneath the flexor retinaculum; compression causes carpal tunnel syndrome.
Question 63: When a conflict arises between standard procedures and a unique situation in Wound Closure & Healing, what should a CST professional prioritize?
- The preference of the client or stakeholder
- Strict adherence to written procedures without exception
- Safety and ethical obligations while seeking expert consultation (Correct answer)
- The most cost-effective solution available
Correct answer: Safety and ethical obligations while seeking expert consultation
Safety and ethics always take priority in Wound Closure & Healing. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.
Question 64: What is the purpose of applying a sterile dressing at the end of a procedure?
- Replace the need for postoperative antibiotic therapy
- Protect the wound from contamination and absorb drainage (Correct answer)
- Secure surgical drains permanently in place
- Indicate the surgery site for postoperative staff
Correct answer: Protect the wound from contamination and absorb drainage
A sterile dressing protects the surgical wound from environmental contamination and absorbs any drainage from the incision.
Question 65: What is the function of a smoke evacuator in the OR?
- To remove excess oxygen from the field
- To capture and filter surgical plume from electrosurgery or laser use (Correct answer)
- To cool the electrosurgical unit
- To ventilate the sterile field between instrument passes
Correct answer: To capture and filter surgical plume from electrosurgery or laser use
Smoke evacuators capture and filter surgical plume — the smoke generated by electrosurgery or laser — which contains harmful particles and viable cellular material.
Question 66: Which cardiac valve is located between the left atrium and left ventricle?
- Pulmonary valve
- Aortic valve
- Mitral valve (Correct answer)
- Tricuspid valve
Correct answer: Mitral valve
The mitral (bicuspid) valve guards the left atrioventricular orifice, preventing backflow from left ventricle to left atrium during systole.
Question 67: The surgical technologist notes that the patient's allergy to latex is not documented on the surgical checklist. What is the FIRST action to take?
- Proceed and use non-latex gloves personally
- Document it post-operatively
- Inform the circulating nurse and surgeon immediately (Correct answer)
- Place a latex-free sign on the door after opening the room
Correct answer: Inform the circulating nurse and surgeon immediately
Allergies must be communicated to the entire team immediately so that latex-free supplies can be substituted before the patient enters the OR.
Question 68: The purpose of the pre-vacuum (prevacuum) phase in a dynamic-air-removal steam sterilizer is to:
- Reduce the temperature required for sterilization
- Dry the load after the sterilization cycle
- Remove air to allow steam penetration into porous loads (Correct answer)
- Increase the chamber pressure above atmospheric
Correct answer: Remove air to allow steam penetration into porous loads
The prevacuum phase evacuates air from the chamber and load so steam can penetrate porous materials uniformly.
Question 69: Which suture technique produces the most cosmetically acceptable scar with minimal cross-hatch marks?
- Interrupted sutures
- Subcuticular (intradermal) suture (Correct answer)
- Vertical mattress sutures
- Figure-of-eight sutures
Correct answer: Subcuticular (intradermal) suture
The subcuticular suture runs beneath the skin surface, avoiding percutaneous punctures and eliminating cross-hatch scarring.
Question 70: What ethical consideration is most relevant to communication & interprofessional collaboration in CST practice?
- Prioritizing personal advancement over professional duties
- Following only those rules that are convenient
- Avoiding all professional development activities
- Maintaining confidentiality and acting in the best interest of stakeholders (Correct answer)
Correct answer: Maintaining confidentiality and acting in the best interest of stakeholders
Maintaining confidentiality and acting in the best interest of stakeholders is the cornerstone ethical consideration for communication & interprofessional collaboration in professional practice.
Question 71: The saphenous vein is commonly harvested for coronary artery bypass grafting (CABG). Where does the great saphenous vein originate?
- Medial malleolus
- Popliteal fossa
- Femoral triangle
- Dorsal venous arch of the foot (Correct answer)
Correct answer: Dorsal venous arch of the foot
The great saphenous vein arises from the medial end of the dorsal venous arch of the foot and ascends along the medial aspect of the leg.
Question 72: When the surgeon requests a 'running suture,' the ST should anticipate providing:
- Staples for skin closure
- A continuous strand on a needle with no free ties (Correct answer)
- Multiple interrupted pre-tied sutures
- A pledgeted mattress suture
Correct answer: A continuous strand on a needle with no free ties
A running (continuous) suture uses a single uninterrupted strand passed repeatedly through tissue, requiring only two knots total.
Question 73: During a laparotomy, the surgeon requests a self-retaining retractor. Which of the following is MOST appropriate?
- Army-Navy retractor
- Deaver retractor
- Richardson retractor
- Balfour retractor (Correct answer)
Correct answer: Balfour retractor
The Balfour retractor is a self-retaining abdominal retractor that holds the wound open without an assistant.
Question 74: What is the proper technique for opening a peel-pack onto the sterile field?
- Cut the package open with sterile scissors before presenting
- Hand the entire sealed package to the scrub technologist
- Peel the edges back and present or flip the item onto the field (Correct answer)
- Tear the package and drop the item from above the sterile field
Correct answer: Peel the edges back and present or flip the item onto the field
Peel-pack items are opened by peeling the edges apart and either presenting the item to the scrub or flipping it carefully onto the sterile field.
Question 75: Which drug used in surgery can cause 'red man syndrome' if infused too rapidly?
- Vancomycin (Correct answer)
- Cefazolin
- Clindamycin
- Metronidazole
Correct answer: Vancomycin
Rapid infusion of vancomycin causes histamine release resulting in flushing, erythema, and hypotension known as red man syndrome.
Question 76: When passing a needle holder loaded with suture to the surgeon, the scrub technologist should:
- Pass it handle-first with the needle pointing away (Correct answer)
- Place it on the sterile field for the surgeon to pick up
- Hand it needle-first to speed closure
- Pass it with the needle unclamped
Correct answer: Pass it handle-first with the needle pointing away
Suture is passed handle-first with the needle pointing away from both the surgeon's and technologist's hands to prevent needlestick injury.
Question 77: When implementing evidence-based practice & research methods practices, what should a CST professional prioritize first?
- Compliance with established standards and protocols (Correct answer)
- Cost reduction at all levels
- Personal convenience and efficiency
- Speed of completion over thoroughness
Correct answer: Compliance with established standards and protocols
Compliance with established standards and protocols must be the first priority, as it ensures safety, quality, and legal adherence in professional practice.
Question 78: Which suture material is MOST appropriate for closing skin in a patient with a known latex allergy?
- Chromic gut
- Surgical silk
- Nylon monofilament (Correct answer)
- Braided polyester
Correct answer: Nylon monofilament
Nylon monofilament (e.g., Ethilon) is a synthetic suture with no latex components and is safe for patients with latex allergies.
Question 79: Standard contact time for high-level disinfection using 2% glutaraldehyde at room temperature is:
- 45 minutes
- 20 minutes (Correct answer)
- 5 minutes
- 10 minutes
Correct answer: 20 minutes
A minimum of 20 minutes at room temperature in 2% glutaraldehyde is required to achieve high-level disinfection.
Question 80: An event-related sterility maintenance policy means that a sterilized item remains sterile until:
- The package is compromised by an event such as wetting, tearing, or puncture (Correct answer)
- 30 days after the sterilization date regardless of storage conditions
- The item is removed from a closed storage cabinet
- A fixed expiration date printed on the package
Correct answer: The package is compromised by an event such as wetting, tearing, or puncture
Event-related sterility holds that sterility is maintained indefinitely as long as the packaging integrity is not compromised.
Question 81: Which of the following is an example of a break in sterile technique during gowning?
- Allowing the circulator to tie the back of the gown
- Keeping hands above the waist while gowning
- Touching the outside of the gown before the circulator ties it (Correct answer)
- Inserting arms into the sleeves without extending hands past the cuffs
Correct answer: Touching the outside of the gown before the circulator ties it
Touching the outside of the gown before it is secured and before donning sterile gloves contaminates the sterile outer surface.
Question 82: The Trendelenburg position places the patient in which orientation?
- Prone with hips elevated
- Lateral with operative side up
- Head elevated, feet lowered at 45 degrees
- Supine with head lowered and feet elevated (Correct answer)
Correct answer: Supine with head lowered and feet elevated
Trendelenburg places the patient supine with the head tilted downward and feet elevated, shifting abdominal contents toward the head to improve pelvic organ exposure.
Question 83: When a free tie (ligature) is passed to the surgeon, it should be:
- Handed as a single strand coiled loosely
- Placed in the neutral zone folded in half
- Stretched between both hands of the ST (Correct answer)
- Loaded on a clamp in the surgeon's hand
Correct answer: Stretched between both hands of the ST
The ST stretches the ligature between both hands to present it clearly so the surgeon can grasp the center without tangles.
Question 84: How should a CST professional handle a situation where quality assurance & performance improvement protocols conflict with practical constraints?
- Avoid addressing the conflict entirely
- Document the conflict and seek guidance from appropriate authorities (Correct answer)
- Make a unilateral decision without consultation
- Always ignore the protocols in favor of practicality
Correct answer: Document the conflict and seek guidance from appropriate authorities
When protocols conflict with practical constraints, the professional approach is to document the conflict and seek guidance, ensuring transparency and compliance while working toward a resolution.
Question 85: A sterile item falls below the level of the sterile field edge. What should the scrub technologist do?
- Consider it contaminated and request a replacement (Correct answer)
- Ask the circulator to inspect the item before using it
- Retrieve it quickly since it was only briefly below the field
- Wipe it with a sterile towel before returning it to the field
Correct answer: Consider it contaminated and request a replacement
Any item that falls below the level of the sterile field is considered contaminated and must be replaced.
Question 86: During a procedure, the scrub technologist notices the surgeon's gown sleeve has contacted an unsterile surface. The correct action is to:
- Immediately inform the surgeon and replace the contaminated gown (Correct answer)
- Inform the circulator and continue the case, monitoring closely
- Continue the case since brief contact does not cause contamination
- Apply a sterile drape over the contaminated area
Correct answer: Immediately inform the surgeon and replace the contaminated gown
Any breach of sterility requires immediate correction; the contaminated gown must be replaced to maintain the sterile field.
Question 87: What is the PRIMARY purpose of continuing education requirements in Anatomy & Physiology for Surgery for CST professionals?
- Earning additional credentials for career advancement
- Maintaining current knowledge and competency as the field evolves (Correct answer)
- Fulfilling mandatory regulatory requirements only
- Networking with other professionals in the field
Correct answer: Maintaining current knowledge and competency as the field evolves
Continuing education in Anatomy & Physiology for Surgery ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.
Question 88: What is the function of cardioplegic solution administered during cardiac surgery?
- Dilate the coronary arteries
- Arrest the heart and protect the myocardium during ischemia (Correct answer)
- Maintain normal cardiac rhythm
- Prevent atrial fibrillation postoperatively
Correct answer: Arrest the heart and protect the myocardium during ischemia
Cardioplegic solution (high-potassium, cold crystalloid or blood) depolarizes the myocardium to arrest the heart and reduce metabolic demand during ischemic time.
Question 89: What is the most reliable method of sterilization?
- Dry heat
- Boiling water
- Steam under pressure (autoclave) (Correct answer)
- Alcohol wipes
Correct answer: Steam under pressure (autoclave)
Steam sterilization, using an autoclave, is considered the most reliable and effective method for sterilizing heat- and moisture-stable medical instruments. The combination of high temperature and pressure ensures the destruction of all microorganisms, including spores, which are highly resistant. This method is crucial in surgical settings to prevent surgical site infections.
Question 90: How should sharps be handled after surgery?
- Thrown in trash
- Place in approved sharps container (Correct answer)
- Handed to the janitor
- Stored on back table
Correct answer: Place in approved sharps container
Sharps, such as needles, scalpels, and other pointed instruments, pose a significant risk of injury and transmission of bloodborne pathogens. After use, they must be immediately placed into a puncture-resistant, leak-proof, and clearly labeled sharps container. This practice protects healthcare workers and prevents accidental needlestick injuries, ensuring a safe environment.
Question 91: Preoperative antibiotic prophylaxis is typically administered within which time window before skin incision?
- Immediately after skin prep
- At the conclusion of the procedure
- 60 minutes before (Correct answer)
- 4–6 hours before
Correct answer: 60 minutes before
Evidence-based guidelines recommend IV antibiotic prophylaxis within 60 minutes before incision to ensure therapeutic tissue levels at the time of skin opening.
Question 92: Which action best prevents surgical site infection?
- Using sterile technique and hand hygiene (Correct answer)
- Wearing double scrubs
- Rushing procedures
- Storing equipment openly
Correct answer: Using sterile technique and hand hygiene
Surgical site infections (SSIs) are a major concern in healthcare, and their prevention relies heavily on strict adherence to sterile technique and meticulous hand hygiene. Sterile technique minimizes the introduction of microorganisms into the surgical field, while hand hygiene reduces the pathogen load on healthcare workers' hands. These combined practices are fundamental to patient safety during surgery.
Question 93: A surgical team member who is unscrubbed (circulator) should maintain what minimum distance from the sterile field?
- 6 inches
- 12 inches (Correct answer)
- 18 inches
- There is no minimum; they may work at the edge
Correct answer: 12 inches
Unscrubbed personnel should remain at least 12 inches from the sterile field to prevent contamination by inadvertent contact.
Question 94: Which retractor system is most commonly used to expose the lumbar spine during a posterior spinal fusion?
- Bookwalter retractor
- Taylor retractor
- Weitlaner self-retaining retractor (Correct answer)
- Gelpi retractor
Correct answer: Weitlaner self-retaining retractor
The Weitlaner self-retaining retractor provides sustained lateral retraction of the paraspinal muscles during posterior lumbar spine approaches.
Question 95: When a wound closure using staples is performed, the scrub technologist should ensure the stapler is loaded and:
- Kept on the back table until the surgeon specifically requests it
- Dipped in saline to lubricate the staples before use
- Handed to the surgeon with the safety engaged until ready to fire (Correct answer)
- Pre-fired once to test it before use on the patient
Correct answer: Handed to the surgeon with the safety engaged until ready to fire
Skin staplers should be handed to the surgeon with the safety mechanism engaged to prevent accidental firing and unintended tissue injury.
Question 96: Which vasoactive drug is a first-line vasopressor for septic shock and acts on alpha and beta adrenergic receptors?
- Phenylephrine
- Norepinephrine (Correct answer)
- Dobutamine
- Vasopressin
Correct answer: Norepinephrine
Norepinephrine is the first-line vasopressor for septic shock, acting primarily on alpha-1 receptors to increase systemic vascular resistance.
Question 97: Which local anesthetic is associated with cardiotoxicity and cardiac arrest if accidentally injected intravascularly in high doses?
- Lidocaine
- Mepivacaine
- Prilocaine
- Bupivacaine (Correct answer)
Correct answer: Bupivacaine
Bupivacaine has high cardiac toxicity due to its high lipid solubility and strong binding to cardiac sodium channels, making resuscitation from accidental IV injection difficult.
Question 98: What is the correct action if the surgical consent form is incomplete?
- Delay surgery until after rounds
- Notify the circulating nurse immediately (Correct answer)
- Proceed with verbal consent
- Ask the anesthesiologist to sign
Correct answer: Notify the circulating nurse immediately
An incomplete surgical consent form indicates that the patient has not provided full informed consent for the procedure. The circulating nurse is responsible for ensuring all documentation is accurate and complete, and must be notified immediately to address and rectify the issue before surgery can legally and ethically proceed.
Question 99: During a mastectomy, which nerve must be preserved to prevent winging of the scapula?
- Intercostobrachial nerve
- Medial pectoral nerve
- Thoracodorsal nerve
- Long thoracic nerve (Correct answer)
Correct answer: Long thoracic nerve
The long thoracic nerve innervates the serratus anterior; damage causes the medial border of the scapula to protrude ('wing').
Question 100: Which preoperative assessment finding would most concern the surgical team regarding anesthesia induction?
- Last oral intake 8 hours ago
- BMI of 22
- Blood pressure of 118/76 mmHg
- Hemoglobin A1c of 11.2% (Correct answer)
Correct answer: Hemoglobin A1c of 11.2%
Poorly controlled diabetes (HbA1c >9%) increases infection risk and impairs wound healing; it may also affect anesthesia management and surgical timing.
Question 101: Which of the following best describes electrocautery use?
- Used for wound dressing
- Used to suction fluids
- Used to cut and cauterize tissue (Correct answer)
- Used for irrigation
Correct answer: Used to cut and cauterize tissue
Electrocautery utilizes high-frequency electrical current to generate heat, which is applied to tissue for precise cutting and coagulation. This dual function allows surgeons to make incisions while simultaneously sealing blood vessels, effectively minimizing bleeding during the operation.
Question 102: Which antiseptic is commonly used in surgical skin prep?
- Hydrogen peroxide
- Povidone-iodine (Correct answer)
- Sterile water
- Alcohol wipes
Correct answer: Povidone-iodine
Povidone-iodine is a widely used antiseptic for surgical skin preparation due to its broad-spectrum antimicrobial activity. It effectively kills bacteria, viruses, and fungi on the skin, significantly reducing the microbial load and lowering the risk of surgical site infections.
Question 103: In orthopedic surgery, what is the primary purpose of a pneumatic tourniquet applied to the extremity?
- To stabilize the fracture site
- To reduce postoperative edema
- To prevent nerve damage
- To provide a bloodless operative field (Correct answer)
Correct answer: To provide a bloodless operative field
A pneumatic tourniquet occludes arterial blood flow to create a bloodless field, improving visibility and reducing blood loss during extremity procedures.
Question 104: The primary purpose of a suction-irrigator device during laparoscopy is to:
- Remove blood and fluid while introducing saline for visibility (Correct answer)
- Provide pneumoperitoneum
- Staple bowel ends together
- Seal tissue with heat
Correct answer: Remove blood and fluid while introducing saline for visibility
The suction-irrigator simultaneously aspirates blood and debris and delivers saline irrigation to maintain clear visualization of the operative field.
Question 105: Which PPE is essential during decontamination?
- Scrubs only
- Gloves, gown, mask, and eye protection (Correct answer)
- Hairnet only
- Only gloves
Correct answer: Gloves, gown, mask, and eye protection
Decontamination involves handling potentially infectious materials, requiring comprehensive personal protective equipment (PPE) to protect healthcare workers. Gloves prevent skin contact with contaminants, gowns protect clothing, and masks and eye protection shield mucous membranes from splashes or aerosols. This full ensemble minimizes exposure risks and ensures safety during the cleaning process.
Question 106: What is the primary purpose of quality assurance & performance improvement in the context of Certified Surgical Technician?
- To replace established industry guidelines
- To reduce organizational costs exclusively
- To ensure consistent quality and professional accountability (Correct answer)
- To eliminate the need for ongoing training
Correct answer: To ensure consistent quality and professional accountability
Quality Assurance & Performance Improvement in Certified Surgical Technician primarily ensures consistent quality and professional accountability, forming the foundation of competent practice in this field.
Question 107: When a surgical glove is punctured during a procedure, the scrub technologist should:
- Notify the surgeon quietly and change gloves during a convenient break
- Immediately inform the surgeon, step away, remove the glove, inspect for injury, and apply a new glove (Correct answer)
- Continue the case and change gloves at the end
- Double-glove over the punctured glove to seal the hole
Correct answer: Immediately inform the surgeon, step away, remove the glove, inspect for injury, and apply a new glove
A punctured glove must be changed immediately after notifying the surgeon; the hand should be inspected for injury and proper hand hygiene performed before reglowing.
Question 108: Sterile gloves torn or punctured during a procedure must be:
- Left in place until a critical step in the procedure is complete
- Covered with a second pair of sterile gloves over the damaged pair
- Assessed for depth of puncture before deciding to change
- Changed immediately after notifying the surgeon (Correct answer)
Correct answer: Changed immediately after notifying the surgeon
Torn or punctured gloves must be changed immediately because the barrier is broken and microorganisms can migrate to the sterile field.
Question 109: How should a CST professional handle a situation where communication & interprofessional collaboration protocols conflict with practical constraints?
- Document the conflict and seek guidance from appropriate authorities (Correct answer)
- Make a unilateral decision without consultation
- Always ignore the protocols in favor of practicality
- Avoid addressing the conflict entirely
Correct answer: Document the conflict and seek guidance from appropriate authorities
When protocols conflict with practical constraints, the professional approach is to document the conflict and seek guidance, ensuring transparency and compliance while working toward a resolution.
Question 110: Which instrument is used to clip the cystic duct and cystic artery during a laparoscopic cholecystectomy?
- Harmonic scalpel
- Ligaclip applier (Correct answer)
- Endoloop ligature
- Babcock clamp
Correct answer: Ligaclip applier
A Ligaclip applier (endoscopic clip applier) is used to apply titanium clips to the cystic duct and cystic artery before transection.
Question 111: Which procedure involves excising and grafting a segment of autologous bone to repair a non-union fracture?
- Curettage only
- Bone grafting (autograft harvest and implantation) (Correct answer)
- Sequestrectomy
- Intramedullary nailing alone
Correct answer: Bone grafting (autograft harvest and implantation)
Autologous bone grafting harvests bone (commonly from the iliac crest) and implants it at the non-union site to provide osteogenic, osteoinductive, and osteoconductive support.
Question 112: Which of the following is true regarding preoperative marking of the surgical site?
- Marking is optional for procedures involving a single midline organ
- The scrub technologist is responsible for marking the surgical site
- The surgeon marks the site before the patient enters the OR using a permanent marker (Correct answer)
- Marking should be done after the patient is anesthetized
Correct answer: The surgeon marks the site before the patient enters the OR using a permanent marker
The operating surgeon marks the intended surgical site with a permanent marker before the patient enters the OR, ideally with the patient awake and participating.
Question 113: What is the primary goal of preoperative skin preparation?
- Enhancing skin elasticity
- Moisturizing the skin
- Warming the skin for comfort
- Reducing microbial count near the incision site (Correct answer)
Correct answer: Reducing microbial count near the incision site
The primary goal of preoperative skin preparation, often called 'prepping,' is to significantly reduce the number of microorganisms on the patient's skin around the planned incision site. This critical aseptic technique minimizes the risk of surgical site infections (SSIs) by preventing bacteria from entering the surgical wound during the procedure, ensuring patient safety.
Question 114: A patient scheduled for thyroid surgery reports wearing a pacemaker. Which piece of equipment must be discussed with the surgeon before use?
- Sequential compression device
- Pulse oximeter
- Warming blanket
- Monopolar electrosurgical unit (Correct answer)
Correct answer: Monopolar electrosurgical unit
Monopolar ESU current can interfere with pacemaker function; bipolar ESU or other alternatives should be considered and the surgical team notified.
Question 115: Which statement about sterile field preparation timing is correct?
- The sterile field should be set up the evening before to save time
- Sterile fields should be set up as close to the time of use as possible (Correct answer)
- Sterile fields can be set up 2 hours in advance if covered
- Setup time does not affect sterility if the room is clean
Correct answer: Sterile fields should be set up as close to the time of use as possible
Sterile fields should be established as close to the time of use as possible because longer exposure time increases the risk of contamination.
Question 116: After a postoperative case, the scrub ST notices a suture needle is unaccounted for. An X-ray is taken and the needle is NOT visible. What is the appropriate next step?
- Discharge the patient immediately to avoid liability
- Re-scrub the ST and restart the counts from the beginning
- Assume the count was wrong and proceed without further action
- Document the incident and complete an occurrence report per facility policy (Correct answer)
Correct answer: Document the incident and complete an occurrence report per facility policy
An unresolved count discrepancy requires an occurrence/incident report and full documentation regardless of X-ray results.
Question 117: Which postoperative task is the scrub ST responsible for regarding sharps disposal?
- Passing uncapped sharps back to the circulator for disposal
- Leaving sharps on the Mayo stand for instrument processing staff
- Placing all sharps in an approved puncture-resistant sharps container (Correct answer)
- Recapping needles with one hand and discarding in regular waste
Correct answer: Placing all sharps in an approved puncture-resistant sharps container
All sharps must be disposed of in approved puncture-resistant containers to comply with OSHA bloodborne pathogen standards.
Question 118: When a conflict arises between standard procedures and a unique situation in Specialty Surgical Procedures, what should a CST professional prioritize?
- The most cost-effective solution available
- The preference of the client or stakeholder
- Safety and ethical obligations while seeking expert consultation (Correct answer)
- Strict adherence to written procedures without exception
Correct answer: Safety and ethical obligations while seeking expert consultation
Safety and ethics always take priority in Specialty Surgical Procedures. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.
Question 119: Which technology trend is most likely to impact evidence-based practice & research methods in the CST field in coming years?
- Complete elimination of human professionals
- Return to exclusively paper-based systems
- Reduction in the need for professional certification
- Digital tools for enhanced data collection, analysis, and reporting (Correct answer)
Correct answer: Digital tools for enhanced data collection, analysis, and reporting
Digital tools for enhanced data collection, analysis, and reporting represent the most significant and practical technology trend impacting evidence-based practice & research methods, augmenting rather than replacing professional expertise.
Question 120: How does continuing education relate to quality assurance & performance improvement for CST certified professionals?
- It is only needed when changing employers
- It ensures professionals stay current with evolving standards and best practices (Correct answer)
- It is required only for entry-level practitioners
- It is optional and rarely impacts practice quality
Correct answer: It ensures professionals stay current with evolving standards and best practices
Continuing education ensures CST professionals stay current with evolving standards, technologies, and best practices in quality assurance & performance improvement, maintaining competency throughout their careers.
Question 121: A specimen labeled 'right ovary' is removed. The scrub technologist should:
- Place it in formalin only if the surgeon verbally confirms it is benign
- Place it in the most convenient container on the back table
- Hold the specimen until the end of the case to batch all specimens together
- Confirm the specimen label with the surgeon and pass it to the circulator immediately with correct laterality noted (Correct answer)
Correct answer: Confirm the specimen label with the surgeon and pass it to the circulator immediately with correct laterality noted
Specimens must be confirmed with the surgeon and passed promptly with correct identification, including laterality, to prevent mislabeling errors.
Question 122: What is a common challenge professionals face when applying professional ethics & legal compliance principles in Certified Surgical Technician?
- Excessive simplicity of industry regulations
- Having too much support from colleagues
- Balancing theoretical knowledge with practical application (Correct answer)
- Lack of any professional development opportunities
Correct answer: Balancing theoretical knowledge with practical application
Balancing theoretical knowledge with practical application is a well-recognized challenge, as real-world scenarios often present complexities not covered in standard training.
Question 123: Which principle best explains why sterile team members should face each other when passing in the OR?
- Sterile-to-sterile contact is safer than sterile-to-unsterile contact (Correct answer)
- It prevents accidental instrument drops
- To maintain visual communication during the procedure
- It allows the circulator to monitor the sterile field more easily
Correct answer: Sterile-to-sterile contact is safer than sterile-to-unsterile contact
When sterile team members must pass each other, they face front-to-front so sterile surfaces contact sterile surfaces rather than risking back-to-front unsterile contact.
Question 124: Which type of bone cell is responsible for bone resorption?
- Osteocyte
- Chondroblast
- Osteoclast (Correct answer)
- Osteoblast
Correct answer: Osteoclast
Osteoclasts are large multinucleated cells that resorb bone matrix by secreting acids and proteolytic enzymes.
Question 125: Peracetic acid (PAA) sterilization systems are best suited for:
- Endoscopes and heat-sensitive devices that can be immersed (Correct answer)
- Bulk sterilization of large linen packs
- Implantable devices requiring long shelf life
- Dry, heat-tolerant metal instruments
Correct answer: Endoscopes and heat-sensitive devices that can be immersed
Peracetic acid systems like STERIS provide rapid liquid sterilization ideal for heat-sensitive, immersible instruments such as endoscopes.
Question 126: Which biological indicator organism is used to verify the efficacy of ethylene oxide (EO) sterilization?
- Bacillus subtilis var. niger
- Clostridium sporogenes
- Bacillus atrophaeus (Correct answer)
- Geobacillus stearothermophilus
Correct answer: Bacillus atrophaeus
Bacillus atrophaeus (formerly B. subtilis var. niger) spores are the standard biological indicator for ethylene oxide sterilization cycles.
Question 127: What is the proper sequence for passing a sharp instrument such as a loaded scalpel?
- Hand it blade-first so the surgeon can grip the handle
- Hand it directly handle-first with the blade exposed
- Use the neutral zone (no-touch technique) to place and retrieve the instrument (Correct answer)
- Toss it gently to the surgeon
Correct answer: Use the neutral zone (no-touch technique) to place and retrieve the instrument
The neutral zone (hands-free technique) requires placing sharps in a designated area rather than hand-to-hand transfer to prevent needlestick injuries.
Question 128: In Specialty Surgical Procedures, what is the FIRST step a CST professional should take when encountering a new case or situation?
- Conduct a comprehensive assessment and gather all relevant information (Correct answer)
- Implement an immediate solution based on past experience
- Document the situation and wait for further instructions
- Consult with a supervisor before taking any action
Correct answer: Conduct a comprehensive assessment and gather all relevant information
In Specialty Surgical Procedures, a thorough initial assessment ensures all relevant factors are identified before deciding on an appropriate course of action. This systematic approach is fundamental to Certified Surgical Technician practice.
Question 129: Which action is part of the surgical technologist's role during the preoperative count?
- Counting all instruments, sharps, and sponges concurrently with the circulating nurse (Correct answer)
- Delegating the count to the RNFA
- Performing the count alone before the circulator arrives
- Counting only sharps since sponges are radio-opaque
Correct answer: Counting all instruments, sharps, and sponges concurrently with the circulating nurse
Both the scrub surgical technologist and the circulating nurse perform counts together and simultaneously to ensure accuracy and shared accountability.
Question 130: What is a common challenge professionals face when applying communication & interprofessional collaboration principles in Certified Surgical Technician?
- Excessive simplicity of industry regulations
- Having too much support from colleagues
- Balancing theoretical knowledge with practical application (Correct answer)
- Lack of any professional development opportunities
Correct answer: Balancing theoretical knowledge with practical application
Balancing theoretical knowledge with practical application is a well-recognized challenge, as real-world scenarios often present complexities not covered in standard training.
Question 131: The Kerrison rongeur is most commonly used during which procedure?
- Laminectomy (Correct answer)
- Thyroidectomy
- Cholecystectomy
- Splenectomy
Correct answer: Laminectomy
The Kerrison rongeur is a spoon-shaped biting instrument used in spinal surgery to remove bone and ligament during laminectomy procedures.
Question 132: What is the PRIMARY purpose of continuing education requirements in Surgical Pharmacology for CST professionals?
- Earning additional credentials for career advancement
- Networking with other professionals in the field
- Fulfilling mandatory regulatory requirements only
- Maintaining current knowledge and competency as the field evolves (Correct answer)
Correct answer: Maintaining current knowledge and competency as the field evolves
Continuing education in Surgical Pharmacology ensures professionals maintain current knowledge and skills as standards, technologies, and best practices evolve in the Certified Surgical Technician field.
Question 133: After the final sponge count is confirmed correct, what is the surgical technologist's next priority before closing?
- Begin breaking down the back table immediately
- Remove all instruments from the sterile field
- Turn off the overhead surgical lights
- Document the count and inform the surgeon (Correct answer)
Correct answer: Document the count and inform the surgeon
The ST must document the correct count and verbally inform the surgeon so the incision can be safely closed.
Question 134: A sterile wrapper that has a hole of any size is considered:
- Unsterile regardless of hole size (Correct answer)
- Sterile if the hole is smaller than 1 cm
- Compromised only if the item inside was visibly touched
- Acceptable if covered by a second outer wrap
Correct answer: Unsterile regardless of hole size
Any breach in a sterile wrapper, regardless of size, compromises sterility and the item must be reprocessed.
Question 135: Which instrument is used to hold back tissue or organs that are not part of the operative site?
- Clamp
- Needle holder
- Retractor (Correct answer)
- Trocar
Correct answer: Retractor
Retractors are used to hold tissue or organs out of the operative field, providing exposure without requiring additional hands on the field.
Question 136: A vessel loop is MOST commonly used intraoperatively to:
- Mark surgical margins on tissue
- Ligate bleeding vessels permanently
- Approximate wound edges temporarily
- Retract and isolate vessels or nerves (Correct answer)
Correct answer: Retract and isolate vessels or nerves
Vessel loops are silicone loops used to retract and isolate delicate structures such as blood vessels and nerves without damaging them.
Question 137: When preparing a back table, where should sharps (needles, blades) be placed?
- In the circulator's hands for safekeeping
- Loosely on a towel in the far corner of the back table
- In a designated sharps container on the back table or in a needle mat (Correct answer)
- On the Mayo stand only, never on the back table
Correct answer: In a designated sharps container on the back table or in a needle mat
Sharps are contained in a designated needle mat or sharps container on the sterile back table to prevent accidental needlestick injuries during the procedure.
Question 138: What is the primary purpose of professional ethics & legal compliance in the context of Certified Surgical Technician?
- To eliminate the need for ongoing training
- To replace established industry guidelines
- To reduce organizational costs exclusively
- To ensure consistent quality and professional accountability (Correct answer)
Correct answer: To ensure consistent quality and professional accountability
Professional Ethics & Legal Compliance in Certified Surgical Technician primarily ensures consistent quality and professional accountability, forming the foundation of competent practice in this field.
Question 139: A Bookwalter retractor system differs from a Balfour retractor in that the Bookwalter:
- Is disposable and single-use only
- Requires an assistant to maintain position throughout the procedure
- Attaches to the OR table rail and offers multiple interchangeable blade configurations (Correct answer)
- Is only used in thoracic surgery
Correct answer: Attaches to the OR table rail and offers multiple interchangeable blade configurations
The Bookwalter system mounts to the OR table rail and accommodates a variety of interchangeable blades for complex, long retraction needs.
Question 140: Capnography (end-tidal CO2 monitoring) is primarily used intraoperatively to confirm:
- Oxygen saturation levels
- Correct endotracheal tube placement and ventilation adequacy (Correct answer)
- Cardiac rhythm
- Blood pressure stability
Correct answer: Correct endotracheal tube placement and ventilation adequacy
A consistent CO2 waveform on capnography confirms the endotracheal tube is in the trachea and that ventilation is effective.
Question 141: In Operating Room Setup & Management, what is the FIRST step a CST professional should take when encountering a new case or situation?
- Implement an immediate solution based on past experience
- Consult with a supervisor before taking any action
- Conduct a comprehensive assessment and gather all relevant information (Correct answer)
- Document the situation and wait for further instructions
Correct answer: Conduct a comprehensive assessment and gather all relevant information
In Operating Room Setup & Management, a thorough initial assessment ensures all relevant factors are identified before deciding on an appropriate course of action. This systematic approach is fundamental to Certified Surgical Technician practice.
Question 142: What action should be taken if there is doubt about the sterility of an item on the sterile field?
- Use the item but document the concern
- Ask a senior team member to assess the item
- Inspect it visually for obvious contamination before using
- Consider it contaminated and remove it from the field (Correct answer)
Correct answer: Consider it contaminated and remove it from the field
The principle 'when in doubt, throw it out' means any questionable item must be removed from the sterile field and replaced.
Question 143: Which position is most commonly used for laparoscopic cholecystectomy?
- Prone with arms extended
- Supine with reverse Trendelenburg (Correct answer)
- Lateral decubitus
- Lithotomy with steep Trendelenburg
Correct answer: Supine with reverse Trendelenburg
Supine with reverse Trendelenburg allows gravity to displace abdominal organs away from the operative field during laparoscopic cholecystectomy.
Question 144: What should be done with biohazard waste?
- Flush down the sink
- Put in regular trash
- Dispose in red biohazard bags (Correct answer)
- Store in cabinets
Correct answer: Dispose in red biohazard bags
Biohazard waste, which includes items contaminated with blood or other potentially infectious materials, must be handled and disposed of according to strict protocols. Placing it in clearly identifiable red biohazard bags ensures it is segregated from general waste and sent for proper treatment, such as incineration or autoclaving. This prevents the spread of pathogens and protects public health.
Question 145: During a procedure, an unsterile person needs to walk past a sterile field. They should:
- Face the sterile field while passing
- Face away from the sterile field while passing at a safe distance (Correct answer)
- Walk between two sterile fields if space requires
- Pass as close as possible to reduce time near the field
Correct answer: Face away from the sterile field while passing at a safe distance
Unsterile persons must face away from the sterile field and maintain a safe distance to prevent accidental contamination.
Question 146: The postoperative instrument count reveals one extra instrument compared to the opening count. The most appropriate action is to:
- Search the field and drapes, then report the discrepancy immediately (Correct answer)
- Remove the extra instrument silently and adjust the count sheet
- Request a new count sheet and start over from the opening count
- Assume a counting error and proceed to close
Correct answer: Search the field and drapes, then report the discrepancy immediately
Any count discrepancy — whether over or under — requires immediate search and reporting because it may indicate a misidentified instrument or error that could affect patient safety.
Question 147: Which standard of practice is MOST important for ensuring quality in Perioperative Patient Care?
- Strictly adhering to the same procedure in every situation
- Following evidence-based protocols while adapting to specific circumstances (Correct answer)
- Using the most advanced technology available regardless of need
- Minimizing documentation to focus on practical work
Correct answer: Following evidence-based protocols while adapting to specific circumstances
Evidence-based protocols provide a foundation of proven practices, but effective Certified Surgical Technician professionals must also adapt their approach based on specific circumstances and individual case needs within Perioperative Patient Care.
Question 148: When transferring an unconscious patient from the OR table to a gurney, the surgical technologist should:
- Allow the circulator to perform the transfer alone
- Move the patient quickly to minimize exposure time
- Transfer the patient without a draw sheet to prevent skin shear
- Ensure at least four personnel are available and protect the airway (Correct answer)
Correct answer: Ensure at least four personnel are available and protect the airway
Safe patient transfer requires adequate personnel to prevent falls and protect the patient's airway and IV lines.
Question 149: When the sterile field must be left unattended between cases, what is the appropriate action?
- The sterile field cannot be left unattended and must be broken down (Correct answer)
- Cover it with a sterile drape and resume when ready
- Leave it uncovered if the room is restricted access
- Place a 'Sterile Field' sign to prevent others from touching it
Correct answer: The sterile field cannot be left unattended and must be broken down
A sterile field that is left unattended cannot be considered sterile and must be broken down because no one can guarantee its integrity.
Question 150: When setting up a back table, the surgical technologist should arrange instruments in what order?
- Order of anticipated use during the procedure (Correct answer)
- Alphabetical order by instrument name
- Sterilization date order
- Largest to smallest by size
Correct answer: Order of anticipated use during the procedure
Instruments on the back table are organized by order of anticipated use so they can be passed efficiently during the procedure.
Question 151: What is the name of the tough fibrous layer covering individual muscles?
- Fascia
- Perimysium
- Endomysium
- Epimysium (Correct answer)
Correct answer: Epimysium
The epimysium is the dense connective tissue sheath that surrounds the entire muscle belly.
Question 152: What should be done with used instruments after surgery?
- Discarded
- Counted and sent to decontamination (Correct answer)
- Rinsed and reused immediately
- Stored in the OR
Correct answer: Counted and sent to decontamination
After surgery, all used instruments must be meticulously counted to ensure no items are left inside the patient or misplaced, which is a critical patient safety measure. Following the count, they are transported to the decontamination area for thorough cleaning, sterilization, and preparation for future use. This process is essential for infection control and maintaining a sterile environment.
Question 153: What is the BEST description of tertiary intention wound healing (delayed primary closure)?
- Wound closed with skin graft on the same day as injury
- Wound allowed to granulate completely without closure
- Wound left open initially, then surgically closed after infection risk decreases (Correct answer)
- Immediate approximation of wound edges after injury
Correct answer: Wound left open initially, then surgically closed after infection risk decreases
Tertiary intention (delayed primary closure) involves leaving a contaminated wound open for several days to allow infection to resolve before surgical closure.
Question 154: Which type of OR table attachment is used to support the patient's arm during procedures requiring access to the brachial plexus area?
- Kidney rest
- Shoulder brace
- Armboard (Correct answer)
- Beach chair adapter
Correct answer: Armboard
An armboard attaches to the OR table to support and position the patient's arm during procedures requiring upper extremity access.
Question 155: Foley catheter insertion in the perioperative setting is primarily performed to:
- Prevent urinary tract infections in surgical patients
- Administer irrigation fluids directly to the bladder
- Detect renal artery injury during abdominal surgery
- Measure urine output and decompress the bladder during lengthy procedures (Correct answer)
Correct answer: Measure urine output and decompress the bladder during lengthy procedures
Indwelling urinary catheters allow continuous monitoring of urine output and prevent bladder distension during prolonged surgeries.
Question 156: Which layer of the abdominal wall is typically closed with a continuous (running) suture to prevent evisceration?
- Skin
- Fascia (Correct answer)
- Peritoneum
- Subcutaneous fat
Correct answer: Fascia
The fascial layer provides the primary structural strength of the abdominal wall closure and is sutured with a continuous technique to distribute tension evenly.
Question 157: Which intraoperative position requires the surgical technologist to be aware of brachial plexus injury risk?
- Lithotomy with standard stirrups
- Supine with arms tucked
- Supine with arm abducted >90° (Correct answer)
- Prone with arms at sides
Correct answer: Supine with arm abducted >90°
Abducting the arm beyond 90° on an armboard stretches the brachial plexus, potentially causing neuropraxia or permanent nerve injury.
Question 158: Which drug is used to induce deliberate hypotension during surgery to reduce blood loss?
- Epinephrine
- Phenylephrine
- Dopamine
- Sodium nitroprusside (Correct answer)
Correct answer: Sodium nitroprusside
Sodium nitroprusside is a potent, short-acting vasodilator that can be titrated to achieve controlled hypotension and minimize intraoperative blood loss.
Question 159: When counting sponges at the beginning of a case, how many sponges are typically found in each standardized pack?
- 15
- 20
- 10 (Correct answer)
- 5
Correct answer: 10
Standardized sponge packs typically contain 10 sponges, and they must be counted before use and reconciled at closure.
Question 160: During preoperative patient identification, the surgical technologist should verify the patient's identity using which minimum standard per the Joint Commission?
- Surgeon's name and procedure type
- Patient's name only
- Room number and bed assignment
- At least two patient identifiers (e.g., name and date of birth) (Correct answer)
Correct answer: At least two patient identifiers (e.g., name and date of birth)
The Joint Commission requires at least two independent patient identifiers (commonly full name and date of birth) to prevent wrong-patient errors.
Question 161: Which intravenous induction agent is most associated with pain on injection and is chosen for its rapid onset and short duration?
- Etomidate
- Propofol (Correct answer)
- Midazolam
- Ketamine
Correct answer: Propofol
Propofol frequently causes pain upon IV injection but provides rapid, smooth induction and quick recovery due to its short context-sensitive half-life.
Question 162: When a sterile team member's gown becomes wet during a procedure, what is the correct action?
- Apply a sterile drape over the wet area and continue
- Notify the surgeon but continue if the area is not near the field
- Consider the gown contaminated and change immediately (Correct answer)
- Continue the procedure and change the gown after
Correct answer: Consider the gown contaminated and change immediately
Strike-through contamination occurs when moisture penetrates a gown, rendering it non-sterile and requiring immediate gown change.
Question 163: When a conflict arises between standard procedures and a unique situation in Anatomy & Physiology for Surgery, what should a CST professional prioritize?
- Strict adherence to written procedures without exception
- The preference of the client or stakeholder
- The most cost-effective solution available
- Safety and ethical obligations while seeking expert consultation (Correct answer)
Correct answer: Safety and ethical obligations while seeking expert consultation
Safety and ethics always take priority in Anatomy & Physiology for Surgery. When standard procedures don't adequately address a unique situation, consulting with experienced colleagues or supervisors ensures both safety and professional standards are maintained.
Question 164: Which factor most significantly affects the efficacy of chemical disinfectants?
- Contact time and concentration of the disinfectant (Correct answer)
- The brand name of the product
- The temperature of the storage room
- The color of the solution
Correct answer: Contact time and concentration of the disinfectant
Adequate contact time at the correct concentration is the most critical factor determining disinfectant effectiveness against pathogens.
Question 165: When the postoperative case is complete and the room is being cleaned, biohazardous waste such as blood-soaked sponges should be disposed in:
- Standard black garbage bags to reduce disposal costs
- Red biohazard bags designated for regulated medical waste (Correct answer)
- Linen bags with soiled surgical drapes
- Sharps containers along with needles and blades
Correct answer: Red biohazard bags designated for regulated medical waste
Blood-soaked sponges are regulated medical waste and must be disposed of in red biohazard bags per OSHA and EPA requirements.
Question 166: When removing surgical drapes postoperatively, the ST should roll them:
- Inward (contaminated side in) to contain debris and fluids (Correct answer)
- Outward quickly to speed up room turnover
- Off the patient and directly into a trash can across the room
- Onto the instrument table for reuse on the next case
Correct answer: Inward (contaminated side in) to contain debris and fluids
Drapes are rolled inward to contain blood, fluids, and debris and prevent spreading contamination to the OR environment.
Question 167: A surgeon performing a Whipple procedure (pancreaticoduodenectomy) will require which anastomosis to restore biliary drainage?
- Choledochojejunostomy (hepaticojejunostomy) (Correct answer)
- Gastrojejunostomy
- Ileoileostomy
- Pancreaticogastrostomy only
Correct answer: Choledochojejunostomy (hepaticojejunostomy)
A choledochojejunostomy (or hepaticojejunostomy) reconnects the bile duct to the jejunum to restore biliary drainage after removal of the duodenum.
Question 168: Which hemostatic technique uses high-frequency electrical current to coagulate bleeding vessels?
- Electrosurgery (electrocautery) (Correct answer)
- Ligation
- Bone wax application
- Compression with a sponge
Correct answer: Electrosurgery (electrocautery)
Electrosurgery uses high-frequency alternating current to generate heat that coagulates proteins in bleeding vessels, achieving hemostasis.
Question 169: Which suture needle type is used for suturing bowel or other delicate hollow viscera?
- Reverse cutting needle
- Cutting needle
- Blunt needle
- Taper (round) needle (Correct answer)
Correct answer: Taper (round) needle
Taper (round) needles penetrate tissue by separating fibers without cutting, reducing the risk of tearing fragile hollow organs.
Question 170: Which neuromuscular blocking agent has the fastest onset and shortest duration, making it ideal for rapid sequence intubation?
- Vecuronium
- Rocuronium
- Succinylcholine (Correct answer)
- Pancuronium
Correct answer: Succinylcholine
Succinylcholine has the fastest onset (approximately 60 seconds) and shortest duration (5-10 minutes), making it the classic choice for RSI.
Question 171: How does risk management apply to daily practice in Perioperative Patient Care for Certified Surgical Technician professionals?
- Through proactive identification of potential hazards and implementation of preventive measures (Correct answer)
- Through annual safety audits exclusively
- By avoiding high-risk situations entirely
- Only through responding to incidents after they occur
Correct answer: Through proactive identification of potential hazards and implementation of preventive measures
Effective risk management in Perioperative Patient Care requires proactive hazard identification and preventive measures, not just reactive responses. This approach reduces incidents, improves outcomes, and protects both professionals and clients.
Question 172: A patient is undergoing a prostatectomy. Which structure must the surgeon carefully avoid to preserve urinary continence?
- Trigone of the bladder
- Detrusor muscle
- External urethral sphincter (Correct answer)
- Internal urethral sphincter only
Correct answer: External urethral sphincter
The external urethral sphincter (rhabdosphincter) provides voluntary continence control and must be preserved during prostatectomy.
Question 173: Which muscle forms the floor of the femoral triangle and contains the iliopsoas groove?
- Iliopsoas (Correct answer)
- Pectineus
- Vastus medialis
- Adductor brevis
Correct answer: Iliopsoas
The iliopsoas muscle, along with the pectineus medially, forms the floor of the femoral triangle.
Question 174: The closed-glove technique differs from the open-glove technique in that:
- The hands never extend beyond the gown cuffs during donning (Correct answer)
- It is used only when changing gloves during a procedure
- The gloves are donned before the gown in this technique
- It requires an assistant to hold the glove open
Correct answer: The hands never extend beyond the gown cuffs during donning
In the closed-glove technique, hands remain inside the gown cuffs throughout donning, preventing bare hand contact with the sterile glove exterior.
Question 175: A serious complication specifically associated with prolonged lithotomy positioning is:
- Facial pressure ulcers
- Radial nerve palsy
- Compartment syndrome of the lower extremities (Correct answer)
- Brachial plexus stretch injury
Correct answer: Compartment syndrome of the lower extremities
Prolonged lithotomy position elevates the legs above heart level, reducing arterial perfusion pressure and increasing venous pressure, which can cause compartment syndrome.
Question 176: During a cesarean section, which layer is typically incised last before entering the uterus?
- Subcutaneous tissue
- Peritoneum (Correct answer)
- Skin
- Fascia (Scarpa's)
Correct answer: Peritoneum
The peritoneum is the final layer entered before the uterine incision is made during a cesarean section.
NBSTSA Certified Surgical Technologist (CST)
The Certified Surgical Technologist (CST) certification validates the knowledge and skills of surgical technologists in aseptic technique, patient care, and surgical procedures.
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