Neural Control and CoordinationHard

Question

In the restingstate of the neural membrane diffusion due to concentration gradients, if allowed, would drive

Options

A.K+ into the cell
B.K+ and K+ out of the cell
C.Na+ into the cell
D.Na+ out of the cell

Solution

In the restingstate nerve fibre, the cytoplasm inside the axon has a high concentration of K+ and a low concentration of Na+ in conrast to the fluid outsid the axon. Thus if diffusion occurs then throgh concentration gradient Na+ enters the fibre.

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