NSC Clinical Knowledge 3

Question 1

A 3-year-old child is found unresponsive and not breathing. You are alone. What should you do first?

Accepted Answer

Give 2 minutes of CPR, then call 911

Answer

For children, provide 2 minutes of CPR before leaving to call 911, as cardiac arrest in children is often respiratory in origin.

Question 2

Which sign indicates a tension pneumothorax in a trauma patient?

Accepted Answer

Tracheal deviation away from the injured side

Answer

Tension pneumothorax causes tracheal deviation away from the affected side due to air pressure pushing mediastinal structures.

Question 3

When using an AED on a victim with a pacemaker, what should you do?

Accepted Answer

Avoid placing pads directly over the pacemaker device

Answer

AED pads should be placed at least 1 inch away from an implanted pacemaker or defibrillator to avoid interference.

Question 4

What is the primary purpose of applying a tourniquet to an extremity?

Accepted Answer

To stop life-threatening bleeding that cannot be controlled by direct pressure

Answer

A tourniquet is applied to control severe, life-threatening arterial bleeding from an extremity when direct pressure is insufficient.

Question 5

A patient has burns covering both arms and the front of their torso. Using the Rule of Nines, what percentage of BSA is burned?

Accepted Answer

36%

Answer

Each arm = 9% (18% total) + front torso = 18%, totaling 36% BSA using the Rule of Nines.

NSC Practice Test