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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