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It Is Important That the Atrioventricular (AV) Node Produce a Delay

Question 23

Multiple Choice

It is important that the atrioventricular (AV) node produce a delay between the contraction of the atria and the contraction of the ventricles because this allows the


A) ventricles to fill to capacity.
B) atria to contract in smooth synchrony.
C) heart to rest for a brief period of time.
D) ventricles to contract in smooth synchrony.

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