Describe the position of the ions during action potential? Can someone help me

Where is ion position during:

- A stimulus
- Depolarization
- Repolarization
- Resting potential

Thanks guys

Somewhere in your text there should be some type of graphic that depicts the voltage across the membrane during these events, and corresponding to that you can either look up or it will show if sodium or potassium influxes or effluxes (enters or leaves the cell) depending on the event and if the pumps open or close...

In case you don't know what I'm talking about, I found two for you!

http://mcat-review.org/action-potential.…
http://students.cis.uab.edu/nkm188/actio…

Read up!