NEET AIPMT SOLVED PAPER SCREENING 2010

  • question_answer
    Listed below are four respiratory capacities (1 - 4)and four jumbled respiratory volumes of a normal human adult Respiratory         Respiratory capacities            volumes (1) Residual volume        2500 mL (2) Vital capacity               3500 mL (3) Inspiratory reserve   1200 mL volume (4) Inspiratory capacity 4500 mL Which one of the following is the correct matching of two capacities and volumes?

    A) (2) 2500 mL,                        (3) 4500 mL

    B) (3) 1200 mL,                        (4) 2500 mL

    C) (4) 3500 mL,                        (1) 1200 mL

    D) (1) 4500 mL,                        (2) 3500 mL

    Correct Answer: C

    Solution :

    Inspiratory Capacity (1C) is the maximum amount of air that can be inspired after a normal expiration, 1C = TV + IRV. It is 3600 mL in adult male and 2400 mL in adult female. Residual Volume (RV) is the amount of air remaining in the lungs after a forced exhalation. Its average value is 1200 mL and 1100 mL in adult male and female respectively.


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