The amount of blood remaining in the ventricle when the semilunar valve closes is the
A) ejection fraction.
B) end-diastole volume.
C) start-diastolic volume.
D) end-systolic volume.
E) stroke volume.

Question

Quizplus · Accepted Answer

The amount of blood remaining in the ventricle when the semilunar valve closes is the end-systolic volume. This is the volume of blood left in the ventricle at the end of systole (contraction) before it begins to fill up again during diastole (relaxation).

The Amount of Blood Remaining in the Ventricle When the Semilunar