Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    At high altitudes, the RBCs in human blood

    A)  increases in size

    B)  decreases in size

    C)  increases in number

    D)  decreases in number

    Correct Answer: C

    Solution :

    Due to low atmospheric pressure and less amount of oxygen the RBC count increases in the human blood. It is also called compensating mechanism. The RBC count increase much more than the normal level in polycythemia.


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