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NEET Biology Neural Control and Coordination Question Bank Self Evaluation Test - Neural Control and Co-ordination

  • question_answer
    A fall in ECF, \[{{K}^{+}}\] concentration would cause:

    A) Hyperpolarisation of cell membrane.

    B) Decrease in membrane potential.

    C) Increases \[N{{a}^{+}}\] current into the cell.

    D) Stimulation of electrogenic pump.

    Correct Answer: A

    Solution :

    [a] There is more \[{{K}^{+}}\] exit taking place and the cell interior becomes more negative. That is, the membrane is hyperpolarised.


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