Question

You are working in the er when a young man in his twenties comes in. He has a normal build and seems confused and disoriented. When you ask whether anyone is with him, he does not seem to know, but nobody else speaks up, so he seems to be there alone. He cannot say why he is there. He says he is not in any pain and his neck is not stiff. There is no alcohol on his breath, and he denies having taken anything.

Answer 1

Answer:

At resting membrane potential, why does a small amount of sodium leak into the cell instead of out? ... The positively charged sodium ions are attracted to the negatively charged ions and compounds inside the cell. The sodium/potassium pump also creates a higher concentration gradient into the cell.