Which Best Defines Cardiac Output

Multiple Choice

Which best defines cardiac output?

A) The end-diastolic volume minus the end-systolic volume
B) The output of the aortic arch baroreceptors
C) The volume of blood in the arterial tree at any moment in time
D) The stroke volume divided by the heart rate
E) The product of the heart rate and the volume ejected from the ventricle during a cardiac cycle