Below Are the Events That Occur During Continuous Propagation of Action

Multiple Choice

Below are the events that occur during continuous propagation of action potential. Select the correct order in which the events occur.
1) Adjacent membrane segment depolarizes.
2) Local current spreads to adjacent voltage gated channel.
3) Threshold is met.
4) Local current develops due to sodium moving in the cytosol.

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