CPR Chest Compressions & Defibrillation 2

Question 1

What is the recommended depth of chest compressions for an adult during CPR?

Accepted Answer

At least 2 inches (5 cm)

Answer

Adult compressions should be at least 2 inches (5 cm) but not exceeding 2.4 inches (6 cm).

Question 2

What is the recommended rate of chest compressions for adult CPR?

Accepted Answer

100 to 120 compressions per minute

Answer

Compress at a rate of 100 to 120 per minute to maintain effective blood flow.

Question 3

Why is it important to allow full chest recoil between compressions?

Accepted Answer

It lets the heart refill with blood

Answer

Full recoil allows the heart to refill, improving blood flow on the next compression.

Question 4

Where should your hands be placed for adult chest compressions?

Accepted Answer

Center of the chest on the lower half of the breastbone

Answer

Place the heel of your hand on the lower half of the sternum at the center of the chest.

Question 5

What is the compression-to-ventilation ratio for one-rescuer adult CPR?

Accepted Answer

30 compressions to 2 breaths

Answer

Single-rescuer adult CPR uses a 30:2 compression-to-ventilation ratio.

CPR (Cardiopulmonary Resuscitation) Practice Test