BLS test questions and answers(AHA) latest update
Question : High quality CPR includes starting chest
compressions within how many seconds after recognition of cardiac arrest in victims of all ages?10 seconds
Correct answer: 10 seconds
Question : Interruptions of chest compressions should be
limited to how many seconds?10 seconds
Correct answer: 10 seconds
Question : How can you tell when a rescue breath for an
infant victim is effective?there is visible rise of the chest
Correct answer: there is visible rise of the chest
Question : What is the best method of opening the airway of
an unresponsive victim when you do not suspect cervical spine injury?use the head tilt chin lift
Correct answer: use the head tilt chin lift
Question : We have an expert-written solution to this
problem!What is likely to cause air to enter the victims stomach (gastric inflation) during bag mask ventilation?breaths are given to quickly or with to much force
Correct answer: breaths are given to quickly or with to much
force
Question : We have an expert-written solution to this
problem!How does complete chest recoil contribute to effective CPR?allows the heart to refill with blood between compressions
Correct answer: allows the heart to refill with blood between
compressions
Question : What is the recommended compression-
ventilation ratio for 2 rescuer adult CPR?
30:2 for 2 rescuer
Correct answer: 30:2 for 2 rescuer
Question : To reduce fatigue during CPR, how often should
those performing compressions switch roles?after every 5 cycles of compressions and breaths
Correct answer: after every 5 cycles of compressions and
breaths
Question : What is the recommended compression rate for
performing CPR on a victim of any age?100 - 120 per min
Correct answer: 100 - 120 per min
Question : What is the first step to perform once the AED
arrives on the scene?turn on the AED
Correct answer: turn on the AED
Question : When should you deliver a shock from the AED?
once charged and after an audible and visual "clear the victim"
Correct answer: once charged and after an audible and visual
"clear the victim"
Question : What is the best way to relieve severe chocking in
a responsive adult?perform abdominal thrusts until the object is removed
Correct answer: perform abdominal thrusts until the object is
removed
Question : What is the correct depth of chest compression for
a child victim?at least one third the depth of the chest, approx 2 inches
Correct answer: at least one third the depth of the chest,
approx 2 inches