BLS test questions and answers(AHA) latest update
2025
What victim requires CPR? - ANS-a victim who is unresponsive with no normal
breathing and no pulse
When is it acceptable to move an adult victim who needs CPR? - ANS-when an adult/
victim is in a dangerous environment
High quality CPR includes starting chest compressions within how many seconds after
recognition of cardiac arrest in victims of all ages? - ANS-10 seconds
Interruptions of chest compressions should be limited to how many seconds? - ANS-10
seconds
How can you tell when a rescue breath for an infant victim is effective? - ANS-there is
visible rise of the chest
What is the best method of opening the airway of an unresponsive victim when you do
not suspect cervical spine injury? - ANS-use the head tilt chin lift
What is likely to cause air to enter the victims stomach (gastric inflation) during bag
mask ventilation? - ANS-breaths are given to quickly or with to much force
How does complete chest recoil contribute to effective CPR? - ANS-allows the heart to
refill with blood between compressions
What is the recommended compression- ventilation ratio for 2 rescuer adult CPR? -
ANS-30:2 for 2 rescuer
To reduce fatigue during CPR, how often should those performing compressions switch
roles? - ANS-after every 5 cycles of compressions and breaths
What is the recommended compression rate for performing CPR on a victim of any
age? - ANS-100 - 120 per min
Why are chest compressions important? - ANS-they pump blood to the rest of the body
What is the first step to perform once the AED arrives on the scene? - ANS-turn on the
AED
When should you deliver a shock from the AED? - ANS-once charged and after an
audible and visual "clear the victim"
2025
What victim requires CPR? - ANS-a victim who is unresponsive with no normal
breathing and no pulse
When is it acceptable to move an adult victim who needs CPR? - ANS-when an adult/
victim is in a dangerous environment
High quality CPR includes starting chest compressions within how many seconds after
recognition of cardiac arrest in victims of all ages? - ANS-10 seconds
Interruptions of chest compressions should be limited to how many seconds? - ANS-10
seconds
How can you tell when a rescue breath for an infant victim is effective? - ANS-there is
visible rise of the chest
What is the best method of opening the airway of an unresponsive victim when you do
not suspect cervical spine injury? - ANS-use the head tilt chin lift
What is likely to cause air to enter the victims stomach (gastric inflation) during bag
mask ventilation? - ANS-breaths are given to quickly or with to much force
How does complete chest recoil contribute to effective CPR? - ANS-allows the heart to
refill with blood between compressions
What is the recommended compression- ventilation ratio for 2 rescuer adult CPR? -
ANS-30:2 for 2 rescuer
To reduce fatigue during CPR, how often should those performing compressions switch
roles? - ANS-after every 5 cycles of compressions and breaths
What is the recommended compression rate for performing CPR on a victim of any
age? - ANS-100 - 120 per min
Why are chest compressions important? - ANS-they pump blood to the rest of the body
What is the first step to perform once the AED arrives on the scene? - ANS-turn on the
AED
When should you deliver a shock from the AED? - ANS-once charged and after an
audible and visual "clear the victim"
