CMC Medical CMC-Medical VELLORE Solved Paper-2014

  • question_answer
    Hamburgers phenomenon explains

    A)  formation of \[HCO_{3}^{-}\]

    B)  chloride shift

    C)  oxygen saturation of haemoglobin

    D)  breathing mechanism

    Correct Answer: B

    Solution :

                    Removal of\[C{{O}_{2}}\]from blood involves both influx of \[C{{l}^{-}}\]ions into RBCs and efflux of \[HCO_{3}^{-}\]ions from RBCs. Exit of bicarbonate ions, change the ionic balance between the plasma and erythrocyte. To balance this, chloride ions again shift to RBCs, this is called as hamburger phenomenon.


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