Neural Control and Coordination Question 15
15. When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is:
[2011]
(a) comparatively more permeable to $Na^{+}$ ions and nearly impermeable to $K^{+}$ions
(b) equally permeable to both $Na^{+}$and $K^{+}$ ions
(c) impermeable to both $Na^{+}$and $K^{+}$ions
(d) comparatively more permeable to $K^{+}$ions and nearly impermeable to $Na^{+}$ions
Show Answer
Answer : d
Hints & Solutions
(d) When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is comparatively more permeable to $K+$ ion and nearly impermeable to $Na+$ ions.
