Cardiac output is defined as

heart rate times stroke volume

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Peripheral resistance times heart rate

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Blood pressure minus peripheral resistance

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Blood pressure times peripheral resistance

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Solution

The correct option is A
heart rate times stroke volume

Stroke volume (SV) is the volume of blood pumped from the left ventricle per beat. Heart rate is 72 beats per minute. A normal adult has a cardiac output of 4.7 liters (5 quarts) of blood per minute.

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