If You Experimentally Increase the Concentration of K+ Inside a Cell

Multiple Choice

If you experimentally increase the concentration of K+ inside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?

A) The membrane potential would become more negative.
B) The membrane potential would become less negative.
C) The membrane potential would first become more negative then rebound to be positive.
D) The membrane potential would remain the same.