Zoology-Heart & Circulation
NEET Zoology Heart & Circulation MCQ Question
Type: MCQ-numerical-Easy-Class 11
If a person's stroke volume is 70 mL and their heart rate is 72 beats per minute, what is their cardiac output?
A
5.04 litres/minute
B
32 litres/minute
C
6.20 litres/minute
D
85 litres/minute
Correct Answer
Option A
Detailed Explanation
Cardiac output is calculated by multiplying stroke volume by heart rate. Here, 70 mL/beat * 72 beats/minute = 5040 mL/minute, or 5.04 litres/minute.
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