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⁺.

Question

Quizplus · Accepted Answer

At rest, most of the voltage-gated Na⁺ channels are in the closed state and only a few are in the inactive state. This means that the permeability to Na⁺ is much lower than the permeability to K⁺.

Which of the Following Statements Concerning the Permeability of a Typical