In a resting neuron,the axonal membrane is

  • A
    Nearly impermeable to potassium ions $(K^+)$
  • B
    Impermeable to positively charged proteins present in the axoplasm
  • C
    Comparatively more permeable to $K^+$
  • D
    Completely permeable to sodium ions $(Na^+)$

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Given below is a diagram of a resting nerve fibre in a polarised state. Select the option which illustrates the correct distribution of $Na^{+}$ and $K^{+}$ ions along the membrane.

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