How does an AED affect the rhythm of the heart?It massages the chest to stimulate the return of the heart’s normal rhythm.It can deliver an electrical shock that restores the heart’s normal rhythm.It sends an electrical signal to the brain to correct the rhythm of the heart.It induces cardiac arrest so that the rhythm of the heart can be restarted.
Answer
A
It massages the chest to stimulate the return of the heart’s normal rhythm.
B
It can deliver an electrical shock that restores the heart’s normal rhythm.
C
It sends an electrical signal to the brain to correct the rhythm of the heart.
D
It induces cardiac arrest so that the rhythm of the heart can be restarted.
Explanation
An AED analyzes the heart’s rhythm and, when appropriate, delivers an electrical shock to help restore a normal rhythm. It does not massage the chest or send a signal to the brain; chest compressions are performed separately as part of CPR. The correct choice is “It can deliver an electrical shock that restores the heart’s normal rhythm.”
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