For a Cell at Rest, Increasing the Extracellular Sodium Ion

Multiple Choice

For a cell at rest, increasing the extracellular sodium ion concentration will cause what movement of sodium ions?

A) Sodium ions will move out of the cell.
B) Sodium ions will move into the cell.
C) Sodium ions will move away from the cell in the extracellular space.
D) Sodium ions will not move because the cell is at equilibrium.
E) Sodium ions will not move because sodium ions cannot cross the cell membrane.