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

  • question_answer
    When a membrane is at the resting potential, the concentration of:         

    A) Sodium and potassium ions is higher on the inside of its membrane.

    B) Sodium and potassium ions is higher on the outside of its membrane.

    C) Sodium ions is higher on the inside of its membrane and of potassium ions is higher on the outside.

    D) Sodium ions is higher on the outside of its membrane and of potassium ions is higher on the inside.

    Correct Answer: D

    Solution :

    [d] The resting potential of a neuron membrane occurs when the sodium ion concentration is higher on the outside and the potassium ion concentration is higher on the inside.


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