Cardiac output is determined by what two variables?
A) heart rate and stroke volume
B) stroke volume and ejection fraction
C) heart rate and ejection fraction
D) end -diastolic volume and end -systolic volume
E) preload and afterload

Question

Quizplus · Accepted Answer

Cardiac output, which is the volume of blood the heart pumps per minute, is determined by two primary factors: heart rate (the number of heartbeats per minute) and stroke volume (the volume of blood pumped from the left ventricle of the heart with each beat).

Cardiac Output Is Determined by What Two Variables