1. What is the difference between a selective and a non-selective CNS depressant.
2. Describe the gradation of action that occurs when a person takes increasing doses of a non-selective CNS depressant using alcohol as your example.
3. Why is it very dangerous to mix non-selective CNS depressants?
4. What makes a drug a barbiturate or a benzodiazepine?
5. Why do drugs like valium take so long to be eliminated from the body, that is, why do they have a long half-life?