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प्रश्न
Calculate the heart rate of a person if the cardiac output is SL, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50mL.
पर्याय
100 beats per minute
50 beats per minute
75 beats per minute
25 beats per minute
MCQ
उत्तर
100 beats per minute
Explanation:
Stroke Volume (SV) x Heart Rate = Cardiac Output (HR) 5000 mL cardiac output or SL
End-of-diastole blood volume in the ventricles
= lOOmL = lOOmL = lOOmL =
At the end of the systole, the blood volume in the ventricles is measured.
50 milliliters
100 - 50 = 50 mL stroke volume
50 mL x Heart rate = 5000 mL
As a result, the heart rate equals l00 beats per minute.
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