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+.
D
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Fill in the blank(s) with the appropriate word(s).