Cardiac output is determined by the:
A) return of blood to the heart and the heart rate.
B) strength of contraction of the left ventricle.
C) stroke volume and heart rate.
D) systolic discharge and stroke volume.

Question

Quizplus · Accepted Answer

Cardiac output is the amount of blood pumped by the heart per minute and is determined by the stroke volume (the amount of blood ejected by the heart with each beat) and the heart rate (number of beats per minute). Therefore, choice C, which states that cardiac output is determined by the stroke volume and heart rate, is the best answer.

Cardiac Output Is Determined by The