Match the factor involved in the initiation and spread of cardiac excitation, labelled a. through d. with the description. (Options may be used more than once or not at all.)
-delays conduction of the impulse
A)SA node
B)AV node
C)bundle of His and Purkinje system
D)gap junction

Question

Quizplus · Accepted Answer

The AV node is responsible for delaying the conduction of the impulse, allowing the atria time to contract and fill the ventricles with blood before the ventricles contract.

Match the Factor Involved in the Initiation and Spread of Cardiac