When a Neuron Changes Its Ion Permeability from the Resting

question 49

Multiple Choice

When a neuron changes its ion permeability from the resting state,

• A) a variety of gated ion channels may open or close.
• B) Na⁺ channels may open, allowing Na⁺ to enter the cell.
• C) K⁺ channels must open, allowing K⁺ to enter the cell.
• D) only a variety of gated ion channels may open or close and Na⁺ channels may open, allowing Na⁺ to enter the cell.
• E) a variety of gated ion channels may open or close, Na⁺ channels may open, allowing Na⁺ to enter the cell, and K⁺ channels must open, allowing K⁺ to enter the cell.

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