What Is the Relative Distrubution of Sodium and Potassium Ions

question 7

Multiple Choice

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.

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