Problem:
Question: Which of the following best describes the most common initiation of an action potential ?
A. Regional increases in Na+ permeability activate voltage-gated K+ channels hyperpolarizing the cell.
B. Regional increases in Na+ permeability activate voltage-gated Na+ channels depolarizing the cell
C. Regional increases in K+ permeability activate voltage-gated K+ channels hyperpolarizing the cell
D. Regional increases in Na+ permeability activate voltage-gated Na+ channels hyperpolarizing the cell.
E. Regional increases in Na+ permeability activate voltage-gated K+ channels depolarizing the cell
Plese suggest best answer.