What Term Refers to the Amount of Blood Pumped by the Ventricle

Question

What term refers to the amount of blood pumped by the ventricle in one beat?
A) Cardiac output
B) Blood volume
C) Hematocrit
D) Stroke volume

Accepted Answer

Stroke volume refers to the amount of blood pumped by the ventricle in one beat. Cardiac output refers to the volume of blood pumped by the heart in one minute, which is determined by multiplying the stroke volume by the heart rate. Blood volume is the total volume of blood in the body. Hematocrit is the proportion of red blood cells in the blood.