Use the following answer code to indicate which factor involved in the initiation and spread of cardiac excitation is being identified.
-Delays conduction of the impulse.
A)SA node
B)AV node
C)Bundle of His and Purkinje system
D)Gap junctions

Question

Quizplus · Accepted Answer

The AV (atrioventricular) node is responsible for delaying the conduction of the impulse from the atria to the ventricles in order to allow for complete atrial contraction before the ventricles contract.

Use the Following Answer Code to Indicate Which Factor Involved