Sodium and Potassium Gradients at Rest

Item #4 of 10

Which of the following statements are true for a neuron in a polarized state?

it cannot fire;

sodium ions pass freely through the cell membrane;

the electrical charge inside is positive relative to the outside;

the electrical charge inside is negative relative to the outside;

none of the alternatives is correct;

INCORRECT - The flow of sodium ions is controlled primarily by the opening of channels.

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		it cannot fire;
		sodium ions pass freely through the cell membrane;
		the electrical charge inside is positive relative to the outside;
		the electrical charge inside is negative relative to the outside;
		none of the alternatives is correct;