The Concentration of Sodium Is Greater in the Extracellular Fluid

question 85

Multiple Choice

The concentration of sodium is greater in the extracellular fluid compared to the intracellular fluid. If the membrane potential was equal to the equilibrium potential for sodium, then what would be the direction of the electrochemical force acting on sodium?

• A) inward
• B) outward
• C) equal in both directions
• D) varies by cell
• E) varies based on concentration of potassium in the intracellular and extracellular fluids

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Definitions:

Ethanol

A volatile, flammable, colorless liquid alcohol, used as a solvent and in the manufacture of organic chemicals and biofuels.

Methanol

A simple alcohol with the formula CH₃OH, used as a solvent, antifreeze, fuel, and as feedstock for chemical synthesis.

Balanced Equation

A chemical equation in which the number of atoms for each element is the same on both the reactant and product sides.

Propanol

An alcohol with the chemical formula C3H8O, used as a solvent and antiseptic.