GENERAL ANATOMY
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The correct pathway for the conduction of an electrical signal through the heart is:
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SA node, AV node, AV bundle, Purkinje fibers, bundle branches
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AV node, SA node, AV bundle, bundle branches, Purkinje fibers
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SA node, AV node, bundle branches, AV bundle, Purkinje fibers
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SA node, AV node, AV bundle, bundle branches, Purkinje fibers
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Explanation:
Detailed explanation-1: -The electrical impulse travels from the sinus node to the atrioventricular node (also called AV node). There, impulses are slowed down for a very short period, then continue down the conduction pathway via the bundle of His into the ventricles.
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