Question

In a typical heart, if EDV is 120 ml of blood and ESV is 50 ml of blood, the stroke volume (SV) is

• A. 120 – 50 = 70 ml
• B. 120 + 50 = 170 ml
• C. 120 $\times$ 50 = 6000 ml
• D. 120 $÷$ 50 = 2.4 ml

Answer 1

The correct option is A

120 – 50 = 70 ml

SV or stroke volume is the volume of blood pumped from the left ventricle per beat.
It is calculated with the following equation.
SV = EDV – ESV, where EDV = end diastolic volume and ESV = end systolic volume.