NSC Clinical Knowledge 2

Question 1

A victim is unresponsive and not breathing normally. After calling 911, what is the correct sequence to begin CPR?

Accepted Answer

Start chest compressions at a rate of 100-120 per minute

Answer

Begin CPR immediately with chest compressions at 100-120 per minute before giving rescue breaths.

Question 2

Which of the following is the correct compression-to-ventilation ratio for single-rescuer adult CPR?

Accepted Answer

30:2

Answer

The current guideline for single-rescuer adult CPR is 30 chest compressions followed by 2 rescue breaths.

Question 3

When treating a patient in anaphylactic shock, which medication is the first-line treatment?

Accepted Answer

Epinephrine (EpiPen)

Answer

Epinephrine is the first-line treatment for anaphylaxis because it rapidly reverses severe allergic reactions.

Question 4

A patient presents with sudden severe chest pain radiating to the left arm, sweating, and nausea. What condition should you suspect?

Accepted Answer

Acute myocardial infarction

Answer

Chest pain radiating to the left arm with diaphoresis and nausea are classic signs of acute myocardial infarction (heart attack).

Question 5

What is the purpose of the 'head-tilt chin-lift' maneuver?

Accepted Answer

To open the airway by moving the tongue away from the throat

Answer

The head-tilt chin-lift opens the airway by lifting the chin, which moves the tongue away from the back of the throat.

NSC Practice Test