Question

The volume of blood that enters into the aorta with each ventricular systole is called

• A. Cardiac cycle
• B. Stroke volume
• C. Cardiac output
• D. Vital capacity

Answer 1

Answer: (B)

Stroke volume

Stroke volume is the volume of blood which enters the aorta when the ventricle contracts. The contraction of ventricle is referred as systole. The stroke volume is also called as the blood which is ejected out from the ventricle when the left ventricle contracts for one time. The volume is measures in ml/beat. The normal value of stroke volume is 1 cc/kg.

Thus, the correct answer is option B.