Question

Which of the following is TRUE regarding the myocardial conduction system?

A) The system is composed of specialized nerve cells that conduct impulses.
B) The conduction system conducts blood from the LA into the LV.
C) The conduction system conducts electrical impulse from the autonomic nervous system to different portions of the heart.
D) The conduction system is made up of specialized myocardial muscle cells.
E) None of the above.

Answer 1

The myocardial conduction system consists of specialized myocardial muscle cells that generate and conduct electrical impulses, coordinating heart contractions(option d).

Step-by-step explanation:

Regarding the myocardial conduction system, the true statement is that D) The conduction system is made up of specialized myocardial muscle cells.

This system is responsible for generating and conducting electrical impulses throughout the heart. The myocardial conduction cells include elements such as the sinoatrial (SA) node, atrioventricular (AV) node, AV bundle of His, bundle branches, and Purkinje fibers. These specialized cells are crucial for initiating the action potential and coordinating the heart's contractions for effective blood propulsion.