Zoology-Heart & Circulation
NEET Zoology Heart & Circulation MCQ Question
Type: MCQ-numerical-Medium-Class 11
If a person's heart beats at a rate of 72 beats per minute with a stroke volume of 70 mL per beat, what is the cardiac output in liters per minute?
A
5.04 L/min
B
90 L/min
C
5.12 L/min
D
5.20 L/min
Correct Answer
Option A
Detailed Explanation
Cardiac output is calculated as heart rate multiplied by stroke volume. With a heart rate of 72 beats/min and a stroke volume of 70 mL/beat, the cardiac output is 72 * 70 = 5040 mL/min, which is 5.04 L/min.
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