Which part of the conduction system of the heart is referred to as the pacemaker?
A) Purkinje fibers
B) Sinoatrial node
C) Atrioventricular node
D) Atrioventricular bundles

Question

Quizplus · Accepted Answer

The Sinoatrial node is known as the pacemaker of the heart, as it is the natural pacemaker that controls the heart rate. It is located in the right atrium and generates electrical impulses that initiate the heartbeat, which is then propagated through the conduction system of the heart, including the Atrioventricular node, Atrioventricular bundles, and Purkinje fibers. However, none of these other parts are specifically referred to as the pacemaker.

Which Part of the Conduction System of the Heart Is