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NEET NEET SOLVED PAPER 2019

  • question_answer
    What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?  [NEET 5-5-2019]

    A) 100 beats per minute      

    B) 125 beats per minute

    C) 50 beats per minute

    D) 75 beats per minute

    Correct Answer: A

    Solution :

    Cardiac output = Stroke volume \[\times \] Heart rate Where stroke volume = End diastolic volume - End systolic volume = 100 ml - 50 ml = 50 ml


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