PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
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Question
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Mr. Shore’s heart rate is 70 beats per minute and he has a stroke volume of 0.05 liters per stroke. What is his cardiac output?
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5 Liters / minute
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4 Liters / minute
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3 Liters / minute
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3.5 Liters / minute
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Explanation:
Detailed explanation-1: -The average Heart Rate for a person is 75 beats/min and Stroke Volume is 70 ml/beat; with this we get Cardiac Output as 5, 250 ml/Min or we can say 5 L/Min.
Detailed explanation-2: -Heart beat = 60 beats/minute. Cardiac output can be calculated by multiplying the stroke volume and heartbeat. Therefore, the cardiac output in mL per minute is about 4200 mL.
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