The Amount of Blood Returning to the Heart is The

Question

The amount of blood returning to the heart is the
A) afterload.
B) stroke volume.
C) end-diastolic volume.
D) cardiac reserve.
E) venous return.

Accepted Answer

The amount of blood returning to the heart is known as venous return. Afterload refers to the pressure in the aorta that the left ventricle has to overcome to eject blood. Stroke volume is the amount of blood pumped out of the ventricle per heart beat. End-diastolic volume is the volume of blood in the ventricle at the end of diastole, just before it contracts. Cardiac reserve refers to the ability of the heart to increase its output in response to increased demands.