CPR Adult CPR and AED Usage 2

Question 1

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

Accepted Answer

30:2

Answer

Single-rescuer adult CPR uses 30 compressions followed by 2 breaths.

Question 2

How deep should chest compressions be on an average adult?

Accepted Answer

At least 2 inches (5 cm)

Answer

Adult compressions should be at least 2 inches but no more than 2.4 inches deep.

Question 3

What is the correct compression rate for adult CPR?

Accepted Answer

100 to 120 per minute

Answer

The recommended rate is 100 to 120 compressions per minute.

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 in the center of the chest.

Question 5

Why is allowing full chest recoil between compressions important?

Accepted Answer

It lets the heart refill with blood

Answer

Full recoil allows the heart to refill, improving blood flow with each compression.

CPR (Cardiopulmonary Resuscitation) Practice Test