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WB JEE Medical WB JEE Medical Solved Paper-2012

  • question_answer
    After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to

    A)  Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV) + Tidal Volume (TV) + Residual Volume (RV)

    B)  IRV + RV + ERV

    C)  IRV + TV + ERV

    D)  TV + RV + ERV

    Correct Answer: C

    Solution :

     The maximum amount of air which can be breathed out through forceful expiration after a forceful inspiration is called Vital Capacity (VC). It is sum total of Tidal Volume (TV), Inspiratory Reserve Volume (IRV) and Expiratory Reserve Volume (ERV). The value for vital capacity is about 3.4 - 4.8 litres.


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