What is the relative distrubution of sodium and potassium ions across a neuronal membrane?
A) Sodium and potassium ions are both at higher concentration on the inside of the cell.
B) Sodium and potassium ions are both at higher concentration on the outside of the cell.
C) The sodium ion concentrationis higher on the inside of the cell and potassium ion concentration ishigher on the outside of the cell.
D) The sodium ion concentrationis higher on the outside of the cell and potassium ion concentration ishigher on the inside of the cell.
E) The concentrations of sodium and potassium ions are both equal inside and outside of the cell.

Question

Quizplus · Accepted Answer

The sodium ion concentration is higher on the outside of the cell, while the potassium ion concentration is higher on the inside. This distribution is crucial for the generation and propagation of electrical signals in neurons.

What Is the Relative Distrubution of Sodium and Potassium Ions