Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
The heartbeat is initiated at?
- A.SA nodeCorrect answer
- B.AV node
- C.Bundle of His
- D.Purkinje fibers
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Practice these MCQs in the appQuick fact: The heartbeat is initiated at the SA node (sinoatrial node), which is the natural pacemaker of the heart.