Events That Occur During One Complete Heartbeat Make Up the _______

Question

Events that occur during one complete heartbeat make up the _______.
A) diastole
B) cardiac output
C) stroke volume
D) cardiac cycle

Accepted Answer

The events that occur during one complete heartbeat, including both the relaxation and contraction phases of the heart, make up the cardiac cycle. Diastole refers specifically to the relaxation phase of the heartbeat, while cardiac output and stroke volume are measurements of the amount of blood pumped by the heart during each beat or over a certain period of time.