MCQ 11 Mark
When a neuron is in the resting state, i.e. not transmitting any impulse, then the axon phase is :
- AEqually permeable to both $Na ^{+}$and $K ^{+}$ions
- BImpermeable to both $Na ^{+}$and $K ^{+}$ions
- ✓Relatively more permeable to $K ^{+}$ions and almost impermeable to $Na ^{+}$ions
- DRelatively more permeable to $Na ^{+}$ions and almost impermeable to $K ^{+}$ions
Answer
View full question & answer→Correct option: C.
Relatively more permeable to $K ^{+}$ions and almost impermeable to $Na ^{+}$ions
C