The Right Answer is C
Mean arterial pressure = diastolic BP + 1/3 (systolic BP – diastolic BP) mmHg
Mean arterial pressure (MAP) is not a simple average of the two pressures, because the duration of diastole is twice that of systole. MAP is used by emergency room and intensive care unit personnel as a measure of the adequacy of blood supplied to vital tissues (such as the brain, heart, and kidneys) when the blood pressure is dangerously low.
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Physiology MCQs
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