The graph represents the potential difference across the membrane of an axon during an action potential.
Which row in the table correctly describes the events occurring at the specified position on the graph?
| Position on graph | Voltage-gated Na+\text{Na}^+Na+ channels | Voltage-gated K+\text{K}^+K+ channels | Direction of net diffusion | |
|---|---|---|---|---|
| A | 2 | Open | Closed | Na+\text{Na}^+Na+ into the cell |
| B | 4 | Open | Open | K+\text{K}^+K+ out of the cell |
| C | 5 | Closed | Closed | K+\text{K}^+K+ into the cell |
| D | 1 | Open | Closed | Na+\text{Na}^+Na+ out of the cell |
Row A
Row B
Row C
Row D