#1
Which step is performed first in the CPR sequence?
Call for help
ExplanationInitiating assistance is crucial to obtain necessary support.
#2
Which of the following is a common cause of sudden cardiac arrest?
Heart attack
ExplanationCardiac arrest often stems from a heart attack.
#3
What is the purpose of AED in CPR?
To deliver an electric shock
ExplanationAED administers a shock to restore normal heart rhythm.
#4
What is the recommended compression depth for adult CPR?
2 inches
ExplanationA depth of 2 inches is advised for effective compressions.
#5
What is the compression-to-ventilation ratio for CPR in adults?
30:2
ExplanationThe ratio for adult CPR is 30 compressions to 2 breaths.
#6
Which action should be taken first when initiating CPR on an unconscious adult?
Ensuring the scene safety
ExplanationSafety assessment is paramount before CPR initiation.
#7
In infant CPR, where should you place your hands for chest compressions?
Lower half of the sternum
ExplanationHands should be positioned on the lower sternum in infant CPR.
#8
Which technique is used to open the airway in an unconscious person with suspected spinal injury?
Jaw thrust maneuver
ExplanationJaw thrust is employed to avoid aggravating spinal injuries.