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Question

In a normal adult human, the average cardiac output (stroke volume) is

A
47 ml
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B
70 ml
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C
5 litre
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D
3.3 litre
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Solution

The correct option is A 70 ml
Stroke volume is the amount of blood ejected by the left ventricle in one contraction. The stroke volumes for each ventricle are generally equal, both being approximately 70 mL in a healthy 70-kg man.

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