What Factors Account for the Local Currents Associated with Graded

Multiple Choice

What factors account for the local currents associated with graded potentials?

A) The movement of negative charges parallel to the inner surface of the cell.
B) The movement of negative charges parallel to the outer surface of the cell.
C) The movement of sodium ions parallel to the inner and outer surfaces of the cell.
D) The movement of extracellular fluid parallel to the outer surface of the cell.
E) The movement of intracellular fluid parallel to the inner surface of the cell.