The AV Node

question 174

Multiple Choice

The AV node

• A) is the normal pacemaker of the heart.
• B) is the only electrical connection between the atria and the ventricles.
• C) rapidly conducts the impulse from the atria to the ventricles so that they contract simultaneously.
• D) is not innervated by the vagus.
• E) has the fastest rate of depolarization in the heart.

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