BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Calculate the Cardiac outputSV= 70 ml/beatHR = 75 beats/min
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5 L/min
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5.25 L/min
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5.5 L/min
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5.35 L/min
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Explanation:
Detailed explanation-1: -So if there are 70 beats per minute, and 70 ml blood is ejected with each beat of the heart, the cardiac output is 4900 ml/ minute. This value is typical for an average adult at rest, although cardiac output may reach up to 30 liters/ minute during extreme exercise.
Detailed explanation-2: -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-3: -Thus, the correct answer is ‘70 mL.
Detailed explanation-4: -Cardiac output is therefore calculated using the formula: Cardiac output = Oxygen consumption / Arteriovenous oxygen gradient.
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