The sequence of events in one heartbeat is called the:
A)conduction cycle
B)SA pathway
C)cardiac pathway
D)cardiac cycle

Question

Quizplus · Accepted Answer

The cardiac cycle is the sequence of events that occurs in one heartbeat, including the contraction and relaxation of the atria and ventricles. Choice A, conduction cycle, refers to the specific pathway of electrical signals that control the heartbeat. Choice B, SA pathway, refers to the sinoatrial (SA) node, which is the heart's natural pacemaker that initiates the electrical impulses that regulate the heartbeat. Choice C, cardiac pathway, is not a specific term used to describe the sequence of events in one heartbeat.

The Sequence of Events in One Heartbeat Is Called The