BLS Corpsman Study Guide (Parts 1 and
2)
350,000 people per year - correct answer-In the United States and Canada, this many
people annually have a cardiac arrest and receive attempted resuscitation. This estimate
does not include the substantial number of victims who have an arrest without attempted
resuscitation.
BLS consists of these four main parts: - correct answer-Chest Compressions, Airway,
Breathing, Defibrillation.
Compress at a rate of at least... - correct answer-100 times per minute.
Compression depth for adults and children - correct answer-At least two inches (five
centimeters)
Compression depth for infants - correct answer-At least one and a half inches (four
centimeters)
Compressions do what for the heart? - correct answer-Pumps the blood in the heart to the
rest of the body.
How long should you feel a pulse for and where and with what? - correct answer-Feel a
pulse for at least 5 seconds but not longer than 10 seconds, with two fingers on the Carotid
Artery Pulse.
In a 2-rescuer CPR, when should the rescuers cycle and switch duties? - correct
answer-Every 5 cycles or about 2 minutes, taking less than 5 seconds to switch.
In a 2-rescuer CPR, where should the first rescuer be located and what are their prospective
duties? - correct answer-At the victim's side performing chest compressions.
In a 2-rescuer CPR, where should the second rescuer be located and what are their
prospective duties? - correct answer-At the victim's head giving breaths.
Start compressions within how many seconds? - correct answer-10 seconds of recognition
of cardiac arrest.
The 2010 AHA guidelines for CPR and ECC changed the sequence from what to what? -
correct answer-Airway, Breathing, Chest Compressions (ABC) to Chest Compressions,
Airway, Breathing (CAB)
The Adult Chain of Survival - correct answer-Immediate recognition of cardiac arrest and
activation of the emergency response system. - Early CPR with an emphasis on chest
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