Cardiac output is determined by heart rate and
A)systemic vascular resistance.
B)stroke volume.
C)hematocrit.
D)hemoglobin concentration.

Question

Quizplus · Accepted Answer

Cardiac output is the amount of blood pumped by the heart per minute. It is determined by heart rate and stroke volume, which is the amount of blood pumped by the heart with each beat. Systemic vascular resistance, hematocrit, and hemoglobin concentration can affect blood flow, but their impact on cardiac output is indirect.

Cardiac Output Is Determined by Heart Rate and