"a 78-year-old woman has a mean arterial pressure of 120 mm hg and a heart rate of 60 beats/min. she has a stroke volume of 50 ml, cardiac output of 3000 ml/min, and a right atrial pressure of 0 mm hg. what is the total peripheral resistance (in mm hg/ml/min) in this woman

0.04 mm Hg / mL / min .

Explanation:

Arterial pressure = 120 mm Hg

right atrial pressure = 0 mm Hg

Drop in pressure due to peripheral resistance = 120 mm Hg

volume of cardiac output per minute = 3000 mL/min

total  peripheral resistance

= 120 / 3000 mm Hg / mL / min

= 0.04 mm Hg / mL / min .

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