KVPY Sample Paper KVPY Stream-SX Model Paper-3

  • question_answer
    In a nerve, if sodium pump is blocked, which of the following is most likely to happen?

    A) \[{{\operatorname{Na}}^{+}}\,and\,\,{{K}^{+}}\] Will increase outside the cell.

    B) \[{{\operatorname{Na}}^{+}}\]Outside the nerve will increase.

    C) \[{{\operatorname{Na}}^{+}}\]Inside the nerve will increase.

    D) \[{{\operatorname{K}}^{+}}\]Inside the nerve will increase.

    Correct Answer: C

    Solution :

    [c] Sodium-potassium pump transports three \[{{\operatorname{Na}}^{+}}\] to the outside of the cell and the transport of two \[{{\operatorname{K}}^{^{+}}}\] ions to the inside. If sodium pump is blocked, concentration of \[{{\operatorname{Na}}^{+}}\] ions will increase inside the nerve.


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