Cardiac output is determined by (A) Heart rate (B) Stroke volume (C) Both A and B (D) None of these

The answer is both (A) and (B)

We know,

Cardiac output is the total volume of blood that heart pumps every minute.

The formula used to calculate cardiac output is given as CO = HR × SV.


CO – Cardiac output

HR – Heartbeat rate per minute

SV- Stroke volume — the amount of blood circulated by the heart with each beat.

Hence, the correct option is (C)

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