Cells of the subendocardial conducting network
A) are larger and have fewer myofilaments than other cardiac cells.
B) are nonconducting cells that electrically insulate the bundle branches of the interventricular septum.
C) are pacemaker cells located in the SA node that initiate each heartbeat.
D) are sensory cells that monitor the stretch of the myocardium to prevent overexpansion by high blood pressure.

Question

Quizplus · Accepted Answer

Cells of the subendocardial conducting network, also known as Purkinje fibers, are indeed larger and have fewer myofilaments compared to other cardiac muscle cells. This unique structure aids in their primary function of rapidly conducting cardiac impulses throughout the ventricles, ensuring efficient and coordinated contraction.

Cells of the Subendocardial Conducting Network