Which One of the Following Is the Correct Sequence of Events

Multiple Choice

Which one of the following is the correct sequence of events that correlates to the sequence of events of a nerve impulse?
1) the membrane becomes depolarized
2) sodium channels open and sodium ions diffuse inward
3) the membrane becomes repolarized
4) potassium channels open and potassium ions diffuse outward

A) 3, 2, 4, 1
B) 2, 1, 4, 3
C) 2, 1, 3, 4
D) 1, 2, 4, 3
E) 4, 1, 3, 2