In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive:

1. K+ and Na+ out of the cell

2. Na+ into the cell

3. Na+ out of the cell

4. K+ into the cell 

Subtopic:  Origin of Resting Membrane Potential |
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Level 2: 60%+
AIPMT - 2004
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