MCQ
When a neuron is in the resting state, i.e. not transmitting any impulse, then the axon phase is :
  • A
    Equally permeable to both $Na ^{+}$and $K ^{+}$ions
  • B
    Impermeable to both $Na ^{+}$and $K ^{+}$ions
  • Relatively more permeable to $K ^{+}$ions and almost impermeable to $Na ^{+}$ions
  • D
    Relatively more permeable to $Na ^{+}$ions and almost impermeable to $K ^{+}$ions

Answer

Correct option: C.
Relatively more permeable to $K ^{+}$ions and almost impermeable to $Na ^{+}$ions
C

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