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

About 1 inch (2.5 cm)

Answer

At least 3 inches (7.5 cm)

Answer

As deep as possible past 2.4 inches

Question 2

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

Accepted Answer

100 to 120 compressions per minute

Answer

60 to 80 compressions per minute

Answer

140 to 160 compressions per minute

Answer

Exactly 90 compressions per minute

Question 3

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

Accepted Answer

It lets the heart refill with blood

Answer

It conserves rescuer energy

Answer

It prevents rib fractures

Answer

It speeds up the compression rate

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

Over the left nipple directly above the heart

Answer

On the upper third of the sternum

Answer

Over the soft area below the rib cage

Question 5

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

Accepted Answer

30 compressions to 2 breaths

Answer

15 compressions to 2 breaths

Answer

5 compressions to 1 breath

Answer

10 compressions to 2 breaths

Question 6

What should you do to minimize interruptions during compressions?

Accepted Answer

Limit pauses to less than 10 seconds

Answer

Stop every minute to check breathing

Answer

Pause for 30 seconds between cycles

Answer

Stop compressions while attaching AED pads

Question 7

What is a common cause of ineffective chest compressions?

Accepted Answer

Leaning on the chest and not allowing recoil

Answer

Compressing too slowly on purpose

Answer

Using two hands instead of one

Answer

Counting compressions aloud