CPR BLS for Healthcare Providers 2

Question 1

For an adult in cardiac arrest, what is the recommended chest compression depth?

Accepted Answer

At least 2 inches (5 cm) but no more than 2.4 inches (6 cm)

Answer

Adult compressions should be at least 2 inches but not exceeding 2.4 inches to maximize perfusion without injury.

Question 2

What is the target compression rate for high-quality CPR in all age groups?

Accepted Answer

100 to 120 per minute

Answer

The recommended compression rate is 100 to 120 per minute for adults, children, and infants.

Question 3

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

Accepted Answer

15:2

Answer

Two healthcare providers use a 15:2 ratio for infants and children.

Question 4

Why is full chest recoil important during compressions?

Accepted Answer

It allows the heart to refill with blood between compressions

Answer

Allowing the chest to fully recoil lets the heart refill, improving cardiac output.

Question 5

What is the maximum recommended interruption time when pausing compressions to give breaths or analyze rhythm?

Accepted Answer

Less than 10 seconds

Answer

Interruptions in chest compressions should be limited to less than 10 seconds to maintain perfusion.

CPR (Cardiopulmonary Resuscitation) Practice Test