QuestionAugust 18, 2025

Where does the transmission of electrical impulses in the heart begin? Multiple Choice AV node Purkinje fibers bundle of His bundle branches SA node

Where does the transmission of electrical impulses in the heart begin? Multiple Choice AV node Purkinje fibers bundle of His bundle branches SA node
Where does the transmission of electrical impulses in the heart begin?
Multiple Choice
AV node
Purkinje fibers
bundle of His
bundle branches
SA node

Solution
4.5(375 votes)

Answer

SA node Explanation 1. Identify the starting point of electrical impulses The transmission of electrical impulses in the heart begins at the sinoatrial (SA) node, which is known as the natural pacemaker of the heart.

Explanation

1. Identify the starting point of electrical impulses<br /> The transmission of electrical impulses in the heart begins at the sinoatrial (SA) node, which is known as the natural pacemaker of the heart.
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