| The diagram shows an action potential. |
 |
| At which point on the graph, membrane is most Permeable to sodium ions? |
A) P
B) Q
C) R
D) S
Correct Answer: B
Solution :
The opening of sodium ion gates increases the permeability of the axon membrane to sodium ions. As more sodium ions enter the axon, the membrane potential increases until it reaches a positive value.
You need to login to perform this action.
You will be redirected in
3 sec
