The main function of the AV node is to
A) initiate the heartbeat.
B) set the rhythm of the heartbeat.
C) relay the signal for the heart to contract from the right ventricle to the right atrium.
D) relay a signal for the ventricles to contract.

Question

Quizplus · Accepted Answer

The AV node relays the electrical signal from the atria to the ventricles, causing the ventricles to contract and pumping blood out of the heart. Therefore, the correct choice is D as it states that the AV node relays the signal for the ventricles to contract.

The Main Function of the AV Node Is to