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.

Question

Quizplus · Accepted Answer

The delay produced by the AV node allows the ventricles to fully fill with blood from the atria before they contract, ensuring efficient pumping of blood throughout the body.

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