ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is the correct order of the Conductive Pathway of the Heart?
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AV node, SA node, Bundle of HIS, Right and Left Bundle Branches, Purkinje Fibers
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SA Node, Bundle of HIS, Right and Left Bundle Branches, AV node
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SA node, AV node, Bundle of HIS, Purkinje Fibers, Right and Left Bundle Branches
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SA node, AV node, Bundle of HIS, Right and Left Bundle Branches, Purkinje Fibers
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Explanation:
Detailed explanation-1: -The SA node starts the sequence by causing the atrial muscles to contract. That’s why doctors sometimes call it the anatomical pacemaker. Next, the signal travels to the AV node, through the bundle of HIS, down the bundle branches, and through the Purkinje fibers, causing the ventricles to contract.
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