1. active membrane potential action potential resting membrane potential hyperpotential membrane none of the above
2. reaching a threshold reaching a potential reaching a membrane reaching a polarization reaching for an ion gate none of the above
3. Sodium diffuses into the cell Sodium diffuses out of the cell Potassium diffuses into the cell Potassium diffuses out of the cell none of the above
4. Sodium Gates Close/Potassium Gates Close Sodium Gates Close/Potassium Gates Open Sodium Gates Open/Potassium Gates Open none of the above
5. Sodium diffuses into the cell Sodium diffuses out of the cell Potassium diffuses into the cell Potassium diffuses out of the cell none of the above
6. polarized hyperpolarized hypopolarized none of the above
7. Sodium gates close Sodium gates open Potassium gates close Potassium gates open none of the above
8. Potassium gates close Potassium gates open none of the above
9. IPSP EPSP none of the above
10. IPSP EPSP none of the above
More info on action potentials can be found most anywhere - including your text! Here is a Wikipedia entry for action potentials.
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