#1
Which of the following is a primary indication for initiating cardiac resuscitation?
Unconsciousness and absent pulse
ExplanationCardiac resuscitation is initiated when the victim is unconscious and has no pulse.
#2
What is the recommended depth for chest compressions during CPR in adults?
3 inches (7.5 centimeters)
ExplanationThe recommended depth for chest compressions during CPR in adults is 3 inches or 7.5 centimeters.
#3
Which of the following is a key component of high-quality CPR?
Allowing full chest recoil after each compression
ExplanationAllowing full chest recoil after each compression is a key component of high-quality CPR.
#4
What does the 'C' stand for in the acronym 'ABCDE' often used in emergency care?
Circulation
ExplanationIn the acronym 'ABCDE', the 'C' stands for Circulation.
#5
What is the first step in the chain of survival for cardiac arrest?
Early recognition and activation of the emergency response system
ExplanationThe first step in the chain of survival for cardiac arrest is early recognition and activation of the emergency response system.
#6
Which of the following is NOT a step in the BLS (Basic Life Support) algorithm?
Give rescue breaths
ExplanationGiving rescue breaths is not a step in the BLS algorithm.
#7
During CPR, what is the compression-to-ventilation ratio for a lone rescuer on an adult victim?
30 compressions to 1 ventilation
ExplanationFor a lone rescuer on an adult victim, the compression-to-ventilation ratio during CPR is 30 compressions to 1 ventilation.
#8
Which rhythm is shockable according to the advanced cardiac life support (ACLS) guidelines?
Ventricular fibrillation (VF)
ExplanationAccording to ACLS guidelines, ventricular fibrillation (VF) is a shockable rhythm.
#9
What is the recommended compression depth for infant CPR?
1.5 inches (4 centimeters)
ExplanationThe recommended compression depth for infant CPR is 1.5 inches or 4 centimeters.
#10
What is the preferred method for delivering rescue breaths during CPR?
Bag-mask ventilation
ExplanationBag-mask ventilation is the preferred method for delivering rescue breaths during CPR.
#11
What is the recommended compression rate per minute during CPR for adults?
100-120 compressions per minute
ExplanationThe recommended compression rate per minute during CPR for adults is between 100 and 120 compressions.
#12
Which of the following is a common cause of sudden cardiac arrest in adults?
Myocardial infarction (heart attack)
ExplanationMyocardial infarction (heart attack) is a common cause of sudden cardiac arrest in adults.
#13
What is the purpose of an automated external defibrillator (AED) in cardiac arrest?
To analyze and deliver a shock if indicated
ExplanationThe purpose of an AED in cardiac arrest is to analyze and deliver a shock if indicated.
#14
Which of the following is a common cause of sudden cardiac arrest in children?
Congenital heart defects
ExplanationCongenital heart defects are a common cause of sudden cardiac arrest in children.
#15
What is the purpose of administering epinephrine during advanced cardiac life support?
To increase coronary blood flow
ExplanationThe purpose of administering epinephrine during advanced cardiac life support is to increase coronary blood flow.