Punjab Medical Punjab - MET Solved Paper-2006

  • question_answer
    Blood carries \[C{{O}_{2}}\] mainly in which form?

    A) \[Hb.C{{O}_{2}}\]

    B) \[NaHC{{O}_{3}}\]

    C)  Carbonic acid

    D)  \[Hb.C{{O}_{2}}\]and carbon monoxide

    Correct Answer: C

    Solution :

    About \[70%\] of\[C{{O}_{2}}\] that enters RBCs, combines with water to form carbonic acid. The latter dissociates into bicarbonate and hydrogen ions. The bicarbonate ions combine with \[N{{a}^{+}}/{{K}^{+}}\] to form bicarbonates.


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