First Aid & CPR Practice · Question
Defibrillation works by:
A shock depolarizes the myocardium, allowing the sinus node to resume control.
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Question: Defibrillation works by:
Answer options: ✅ Stopping all electrical activity briefly so the heart can restart organized rhythm
- Restarting a stopped heart with electricity directly
- Replacing the heart
- Pumping blood mechanically
Correct answer: Stopping all electrical activity briefly so the heart can restart organized rhythm
Explanation: A shock depolarizes the myocardium, allowing the sinus node to resume control.
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