AHA BLS Study Guide 2025 Latest
Update
When you first see a potential victim, what is the first thing you should do? - ANSWER
check for safe scene
What should you do for a victim with no normal breathing and who doesn't have a
pulse? - ANSWER start CPR
Explain why complete recoil of the chest is important - ANSWER allow heart to refill
What is the recommended compression rate for performing CPR on a victim of ANY
age? - ANSWER 100-120
Why are chest compressions an important part of CPR? - ANSWER to pump the heart
What is the head tilt-chin lift technique used for? - ANSWER to get a clear path for
oxygen
What is the recommended compression-ventilation ratio for 1 rescuer adult CPR? -
ANSWER 30-2
What can happen if breaths are given too fast or with too much force during bag-mask
ventilation? - ANSWER vomiting
What do you do first when the AED arrives on scene? - ANSWER turn it on
How do you know when to deliver a shock from the AED? - ANSWER it will say to
To reduce fatigue during CPR, how often should the rescuers switch roles? - ANSWER
5 cycles
What is the recommended depth of chest compressions for a child victim? - ANSWER 2
inches
What is the best way to relieve severe choking in a responsive adult? - ANSWER
abdominal thrust
What should you do if there are no pediatric pads available for a child less than 8 years
old when using an AED? - ANSWER use adult pads
What is the recommended compression: ventilation ratio for 1-rescuer infant CPR? -
ANSWER 30-2
Update
When you first see a potential victim, what is the first thing you should do? - ANSWER
check for safe scene
What should you do for a victim with no normal breathing and who doesn't have a
pulse? - ANSWER start CPR
Explain why complete recoil of the chest is important - ANSWER allow heart to refill
What is the recommended compression rate for performing CPR on a victim of ANY
age? - ANSWER 100-120
Why are chest compressions an important part of CPR? - ANSWER to pump the heart
What is the head tilt-chin lift technique used for? - ANSWER to get a clear path for
oxygen
What is the recommended compression-ventilation ratio for 1 rescuer adult CPR? -
ANSWER 30-2
What can happen if breaths are given too fast or with too much force during bag-mask
ventilation? - ANSWER vomiting
What do you do first when the AED arrives on scene? - ANSWER turn it on
How do you know when to deliver a shock from the AED? - ANSWER it will say to
To reduce fatigue during CPR, how often should the rescuers switch roles? - ANSWER
5 cycles
What is the recommended depth of chest compressions for a child victim? - ANSWER 2
inches
What is the best way to relieve severe choking in a responsive adult? - ANSWER
abdominal thrust
What should you do if there are no pediatric pads available for a child less than 8 years
old when using an AED? - ANSWER use adult pads
What is the recommended compression: ventilation ratio for 1-rescuer infant CPR? -
ANSWER 30-2
