Free TNCC Nursing Skills Questions and Answers 1 — Questions and Answers
Question 1: What is the cause of hypocapnia in a patient with a severe traumatic brain injury?
- cerebral vasoconstriction<br> <br> Vasoconstriction will result from hypocapnia or low carbon dioxide levels, particularly in the cerebral vasculature. (Correct answer)
- shifts in mental state<br> <br> Older, aware babies or toddlers may not obey orders and are typically wary of strangers.
- sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
Correct answer: cerebral vasoconstriction<br> <br> Vasoconstriction will result from hypocapnia or low carbon dioxide levels, particularly in the cerebral vasculature.
Hypocapnia, or low carbon dioxide levels in the blood, causes cerebral vasoconstriction, meaning the blood vessels in the brain narrow. This reduction in cerebral blood flow can decrease intracranial pressure, which might be a temporary therapeutic goal in severe traumatic brain injury, but prolonged or severe vasoconstriction can lead to cerebral ischemia.
Question 2: The patient who sustained a knife wound to the neck is hemodynamically stable and has an unbroken airway. He laments having trouble speaking and swallowing. For which of the following conditions is further evaluation recommended next?
- sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing.
- spinal cord injury<br> <br> Concurrent injuries to the spinal cord, airway, or vascular neck tissues may be present in penetrating neck trauma. The second frequent concomitant injury, with an unharmed airway and hemodynamic stability, is to the spinal cord. (Correct answer)
- alcohol detoxification<br> <br> a prevalent delayed ailment due to the difficulty in recognizing symptoms at an early stage. Hand tremors, nausea, vomiting, psychomotor agitation, anxiety, sleeplessness, hallucinations, or seizures are some symptoms of autonomic hyperactivity.
- typical vital indicators during pregnancy<br> <br> Due to peripheral resistance, the resting heart rate rises by 10–20 beats during pregnancy, with a minor drop in systolic blood pressure and a large drop in diastolic blood pressure.<br> <br> A foetal heart rate of 120 to 160 is typical.
Correct answer: spinal cord injury<br> <br> Concurrent injuries to the spinal cord, airway, or vascular neck tissues may be present in penetrating neck trauma. The second frequent concomitant injury, with an unharmed airway and hemodynamic stability, is to the spinal cord.
Penetrating neck trauma, even with a stable airway and hemodynamics, carries a high risk of associated injuries due to the density of vital structures. Difficulty speaking (dysphonia) and swallowing (dysphagia) after such an injury strongly suggest potential damage to laryngeal structures, pharynx, or nerves, which can be indicative of a spinal cord injury or direct nerve damage requiring further evaluation.
Question 3: What could be an indication of cooperation in a 13-month-old involved in a motor vehicle accident?
- sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing.
- shifts in mental state<br> <br> Older, aware babies or toddlers may not obey orders and are typically wary of strangers. (Correct answer)
- constriction of the brain vessels<br> <br> Vasoconstriction will result from hypocapnia or low carbon dioxide levels, particularly in the cerebral vasculature.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
Correct answer: shifts in mental state<br> <br> Older, aware babies or toddlers may not obey orders and are typically wary of strangers.
For a 13-month-old, direct cooperation like following commands is not expected, especially in a traumatic situation. Instead, a nurse assesses their mental state and responsiveness. A 'shift in mental state' (e.g., becoming more alert, less irritable, or showing appropriate interaction for their age) would be a positive sign of cooperation or improvement, whereas a lack of cooperation might manifest as wariness or crying, which is normal for this age group in a stressful situation.
Question 4: What is the primary cause of death for trauma patients that can be prevented?
- efficient dialogue<br> Effective collaboration, coordination, and communication are essential components of high-achieving teams and superior trauma treatment.
- uncontrollably bleeding<br> <br> Since uncontrolled bleeding is the primary factor in avoidable deaths following injuries, identifying and addressing it during the first evaluation procedure is crucial. (Correct answer)
- gently press down and medially over the iliac crests.<br> <br> Soft pressure is given on the iliac crests downward and medially to check for pelvic instability.
- fundamental shortfall<br> <br> When combined with serum lactate, base deficits function as an endpoint test of the sufficiency of cellular perfusion and aid in the prediction of the resuscitation's outcome.
Correct answer: uncontrollably bleeding<br> <br> Since uncontrolled bleeding is the primary factor in avoidable deaths following injuries, identifying and addressing it during the first evaluation procedure is crucial.
Uncontrolled hemorrhage is widely recognized as the leading cause of preventable death in trauma patients. Rapid identification and effective management of significant bleeding are paramount during the initial assessment and resuscitation phases to improve patient outcomes and prevent mortality.
Question 5: Is there a safe pharmaceutical substitute for opioids in the treatment of rib fracture pain in patients who are anticoagulated?
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
- blocks of intercostal nerves<br> <br> For patients who are anticoagulated, continuous intercostal nerve blocks can offer safe and efficient pain management since they employ long-acting anesthetics. (Correct answer)
- fundamental shortfall<br> <br> When combined with serum lactate, base deficits function as an endpoint test of the sufficiency of cellular perfusion and aid in the prediction of the resuscitation's outcome.
- typical vital indicators during pregnancy<br> <br> Due to peripheral resistance, the resting heart rate rises by 10–20 beats during pregnancy, with a minor drop in systolic blood pressure and a large drop in diastolic blood pressure.<br> <br> A foetal heart rate of 120 to 160 is typical.
Correct answer: blocks of intercostal nerves<br> <br> For patients who are anticoagulated, continuous intercostal nerve blocks can offer safe and efficient pain management since they employ long-acting anesthetics.
For anticoagulated patients with rib fractures, intercostal nerve blocks offer a safe and effective pain management alternative to systemic opioids. These blocks provide targeted pain relief by directly anesthetizing the affected nerves with long-acting anesthetics, minimizing systemic side effects and reducing the risk of bleeding complications associated with other invasive procedures.
Question 6: Bp is 94/62, HR 92 in patients 30 weeks pregnant.<br> <br> with a 124 bpm fetal heart rate<br> <br> Why and if this is normal?
- Reorder breathing and airway to come before circulation.<br> <br> Before the initial survey, across-the-room monitoring is conducted to quickly determine whether, in the event of uncontrollably excessive bleeding, breathing or airway should take precedence over circulation.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
- blocks of intercostal nerves<br> <br> For patients who are anticoagulated, continuous intercostal nerve blocks can offer safe and efficient pain management since they employ long-acting anesthetics.
- typical vital signs during pregnancy<br> <br> Due to peripheral resistance, the resting heart rate rises by 10–20 beats during pregnancy, with a minor drop in systolic blood pressure and a large drop in diastolic blood pressure.<br> <br> A foetal heart rate of 120 to 160 is typical. (Correct answer)
Correct answer: typical vital signs during pregnancy<br> <br> Due to peripheral resistance, the resting heart rate rises by 10–20 beats during pregnancy, with a minor drop in systolic blood pressure and a large drop in diastolic blood pressure.<br> <br> A foetal heart rate of 120 to 160 is typical.
During pregnancy, physiological changes include an increase in maternal heart rate by 10-20 bpm and a decrease in blood pressure, particularly diastolic, due to reduced peripheral vascular resistance. A fetal heart rate of 124 bpm falls within the normal range of 120-160 bpm. Therefore, the presented vital signs are considered typical and normal for a 30-week pregnant patient.
Question 7: What needs to be thoroughly watched after a patient with a spinal cord injury at C5 and why?
- sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing. (Correct answer)
- constriction of the brain vessels<br> <br> Vasoconstriction will result from hypocapnia or low carbon dioxide levels, particularly in the cerebral vasculature.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
- shifts in mental state<br> <br> Older, aware babies or toddlers may not obey orders and are typically wary of strangers.
Correct answer: sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing.
A spinal cord injury at the C5 level is critical because the phrenic nerve, which controls the diaphragm (the primary muscle of respiration), originates from C3-C5. Damage at this level can lead to partial or complete diaphragmatic paralysis, severely impairing the patient's ability to breathe independently and necessitating thorough respiratory monitoring.
Question 8: What method is employed to get the history of a patient who comes in after being sexually assaulted?
- apply direct pressure.<br> <br> Direct pressure is the first stage.<br> Use a torniquet in the second step.
- When documenting information, utilize direct quotes. (Correct answer)
- discussing registering for the Emergency Nursing Certification Exam
- inverse trendelenberg<br> <br> helps with breathing and airway maintenance.
Correct answer: When documenting information, utilize direct quotes.
When obtaining a history from a patient who has experienced sexual assault, it is crucial to document their statements using direct quotes. This practice ensures accuracy, preserves the patient's own words, and avoids misinterpretation or bias, which is vital for both legal proceedings and medical care.
Question 9: Which of the following best sums up the fundamentals of ventilation connected to a bag-mask device?
- apply direct pressure.<br> <br> Direct pressure is the first stage.<br> Use a torniquet in the second step.
- shifts in mental state<br> <br> Older, aware babies or toddlers may not obey orders and are typically wary of strangers.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working. (Correct answer)
- fundamental shortfall<br> <br> When combined with serum lactate, base deficits function as an endpoint test of the sufficiency of cellular perfusion and aid in the prediction of the resuscitation's outcome.
Correct answer: Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
When providing ventilations with a bag-mask device for an adult, the recommended rate is 10 to 12 breaths per minute. This translates to one breath every 5 to 6 seconds, ensuring adequate oxygenation and ventilation without causing hyperventilation, which can lead to complications.
Question 10: A patient who had a head injury two weeks ago after falling was diagnosed with a minor subdural hematoma.<br> <br> He vomited twice throughout the night and told the nurse he couldn't sleep because a small child kept coming into his room, which made him nervous, restless, and trembling.<br> <br> What is the most likely reason behind these symptoms and signs?
- alcohol detoxification<br> <br> a prevalent delayed ailment due to the difficulty in recognizing symptoms at an early stage. Hand tremors, nausea, vomiting, psychomotor agitation, anxiety, sleeplessness, hallucinations, or seizures are some symptoms of autonomic hyperactivity. (Correct answer)
- spinal cord injury<br> <br> Concurrent injuries to the spinal cord, airway, or vascular neck tissues may be present in penetrating neck trauma. The second frequent concomitant injury, with an unharmed airway and hemodynamic stability, is to the spinal cord.
- sustain a healthy respiratory state<br> <br> Phrenic nerve function loss from C3 to C5 injuries can paralyze the diaphram and impair breathing.
- typical vital indicators during pregnancy<br> <br> Due to peripheral resistance, the resting heart rate rises by 10–20 beats during pregnancy, with a minor drop in systolic blood pressure and a large drop in diastolic blood pressure.<br> <br> A foetal heart rate of 120 to 160 is typical.
Correct answer: alcohol detoxification<br> <br> a prevalent delayed ailment due to the difficulty in recognizing symptoms at an early stage. Hand tremors, nausea, vomiting, psychomotor agitation, anxiety, sleeplessness, hallucinations, or seizures are some symptoms of autonomic hyperactivity.
The patient's symptoms—vomiting, nervousness, restlessness, trembling, sleeplessness, and hallucinations (seeing a small child)—are classic signs of alcohol withdrawal, often referred to as alcohol detoxification or delirium tremens. These symptoms can be delayed, appearing days after the last drink, and are exacerbated by the stress of a head injury and hospitalization, making alcohol detoxification the most likely cause.
Question 11: What should be done in the event of a lower extremity penetrating injury before any further bleeding occurs?
- inverse trendelenberg<br> <br> helps with breathing and airway maintenance.
- Breathe out at a rate of 10 to 12 times each minute.<br> <br> Help ventilations at 10 to 12 breaths per minute or one every 5 to 6 seconds if ventilation is not working.
- gently press down and medially over the iliac crests.<br> <br> Soft pressure is given on the iliac crests downward and medially to check for pelvic instability.
- apply direct pressure.<br> <br> Direct pressure is the first stage.<br> Use a torniquet in the second step. (Correct answer)
Correct answer: apply direct pressure.<br> <br> Direct pressure is the first stage.<br> Use a torniquet in the second step.
For any penetrating injury with active bleeding, the immediate and most crucial intervention is to apply direct pressure to the wound. This helps to control hemorrhage by compressing the injured blood vessels. If direct pressure is insufficient or the bleeding is severe and life-threatening, a tourniquet may be applied as a secondary measure.
Free TNCC Nursing Skills Questions and Answers 1
What is the cause of hypocapnia in a patient with a severe traumatic brain injury?