Zoology-Heart & Circulation
NEET Zoology Heart & Circulation MCQ Question
Type: MCQ-numerical-Hard-Class 11
If a person's heart beats at a rate of 80 beats per minute, and the stroke volume is 70 mL, what is their cardiac output?
A
5.6 liters per minute
B
4.9 liters per minute
C
6.0 liters per minute
D
5.0 liters per minute
Correct Answer
Option A
Detailed Explanation
Cardiac output is the product of heart rate and stroke volume. With a heart rate of 80 beats per minute and a stroke volume of 70 mL, the cardiac output is 80 x 70 = 5600 mL, or 5.6 liters per minute.
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