CPR Airway Management and Rescue Breathing 2

Question 1

How many rescue breaths should be given before resuming chest compressions during adult CPR with two rescuers?

Accepted Answer

2 breaths

Answer

Two rescue breaths are given after every 30 compressions in two-rescuer adult CPR before resuming the next compression cycle.

Question 2

What is the maximum time compressions should be paused to deliver rescue breaths?

Accepted Answer

10 seconds

Answer

Interruptions to chest compressions should be limited to no more than 10 seconds, including the time taken to deliver rescue breaths.

Question 3

When using a bag-mask device for rescue breathing, how many rescuers are ideally needed to use it effectively?

Accepted Answer

2 rescuers

Answer

Two rescuers are ideal when using a bag-mask device: one to maintain a mask seal and head tilt, and one to squeeze the bag.

Question 4

What volume of air should be delivered with each rescue breath to an adult?

Accepted Answer

Enough to produce visible chest rise

Answer

Each rescue breath should deliver just enough volume to produce visible chest rise, approximately 500–600 mL, without causing gastric inflation.

Question 5

Which of the following MOST commonly causes gastric inflation during rescue breathing?

Accepted Answer

Delivering breaths that are too forceful or too fast

Answer

Excessive force or speed when delivering rescue breaths can cause air to enter the stomach (gastric inflation) instead of the lungs.

CPR Practice Test