Through which conduction pathway do impulses travel from the AV node toward the apex of the heart?

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Prepare for the Ivy Tech Anatomy and Physiology II (APHY 102) Heart Test with multiple-choice questions, detailed explanations, and study resources. Enhance your understanding and excel in your exam!

Multiple Choice

Through which conduction pathway do impulses travel from the AV node toward the apex of the heart?

Explanation:
The impulse moves from the AV node into the AV bundle (bundle of His) in the interventricular septum. This is the main pathway that carries the signal downward toward the apex. After the AV bundle, the signal splits into the left and right bundle branches that travel to the apex, where Purkinje fibers rapidly distribute it through the ventricular myocardium to produce coordinated contraction.

The impulse moves from the AV node into the AV bundle (bundle of His) in the interventricular septum. This is the main pathway that carries the signal downward toward the apex. After the AV bundle, the signal splits into the left and right bundle branches that travel to the apex, where Purkinje fibers rapidly distribute it through the ventricular myocardium to produce coordinated contraction.

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