The specific location of the heart pacemaker is the
A) sinoatrial node.
B) atrioventricular node.
C) Purkinje fibers.
D) bundle of His.
E) ventricular mass.

Question

Quizplus · Accepted Answer

The sinoatrial node, located in the right atrium of the heart, is the natural pacemaker of the heart. It generates electrical impulses that initiate the heartbeat and coordinate the contraction of the atria and ventricles. The other options listed are components of the cardiac conduction system, but they do not serve as the primary pacemaker of the heart.

The Specific Location of the Heart Pacemaker Is the