The following are the components to the conducting system of the heart:1. Purkinje fibers2. AV bundle3. AV node4. SA node5. bundle branchesSequence the order in which electrical impulses would flow through-

CARDIOVASCULAR PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	3-5-4-2-1
B	4-2-3-5-1
C	4-3-2-5-1
D	3-2-4-5-1

Explanation:

Detailed explanation-1: -Atrioventricular node It is at the apex of a triangle formed by the tricuspid annulus and the tendon of Todaro, which originates in the central fibrous body and passes posteriorly through the atrial septum to continue with the eustachian valve (see the images below).

Detailed explanation-2: -The components of the cardiac conduction system include (in correct sequence) the sinoatrial (SA) node, the atrioventricular (AV) node, the atrioventricular (AV) bundle, the atrioventricular (AV) bundle branches, and the Purkinje fibers.

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