CPR Techniques for Adults & Children 2

Question 1

What is the correct compression depth 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

Exactly 4 inches (10 cm)

Question 2

What compression-to-ventilation ratio is used for a single rescuer performing CPR on an adult?

Accepted Answer

30:2

Answer

15:2

Answer

5:1

Answer

10:2

Question 3

What is the recommended compression rate for both adults and children?

Accepted Answer

100 to 120 per minute

Answer

60 to 80 per minute

Answer

140 to 160 per minute

Answer

40 to 60 per minute

Question 4

When two rescuers perform CPR on a child, what compression-to-ventilation ratio is used?

Accepted Answer

15:2

Answer

30:2

Answer

5:1

Answer

10:1

Question 5

Where should hands be placed for chest compressions on an adult?

Accepted Answer

Center of the chest on the lower half of the breastbone

Answer

Over the upper left ribs

Answer

On the upper third of the sternum

Answer

Just below the navel

Question 6

Why is full chest recoil important between compressions?

Accepted Answer

It lets the heart refill with blood

Answer

It conserves the rescuer's energy

Answer

It prevents rib fractures entirely

Answer

It increases body temperature

Question 7

How long should an interruption in chest compressions ideally last?

Accepted Answer

Less than 10 seconds

Answer

About 30 seconds

Answer

Up to 1 minute

Answer

As long as needed to think