Cells of the Subendocardial Conducting Network

question 42

Multiple Choice

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.

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