Question 12

(Multiple Choice)

Which of the following statements concerning the permeability of a typical neuron membrane at rest is TRUE?


A)The permeability to Na⁺ is much greater than the permeability to K⁺.
B)All of the K⁺ channels in the membrane are open.
C)The voltage-gated Na⁺ channels are in the inactivated state.
D)Most of the voltage-gated Na⁺ channels are in the closed state.
E)There is equal permeability to Na⁺ and K⁺.

Answer