The structure that relays an electrical impulse from the SA node to the left atrium in a normal heart is the:
A)AV node.
B)bundle of His.
C)Purkinje network.
D)Bachmann's bundle.

Question

Quizplus · Accepted Answer

The structure that relays an electrical impulse from the SA node to the left atrium is Bachmann's bundle. The AV node relays the impulse from the atria to the ventricles, the bundle of His conducts the impulse through the ventricular septum, and the Purkinje network stimulates ventricular muscle fibers.

The Structure That Relays an Electrical Impulse from the SA