Dr. Levy

8. The study of natural (plant and animal) drug sources
10. What the drug does to the body
12. Route by which a drug is administered intravenously, intramuscularly, subcutaneously etc.
13. Lowest blood level
14. Biologic transformation of a drug
15. Effect of 2 drugs that are administered together that have greater effects together than they would apart
16. Ratio of the rate of the elimination of a drug to the concentration in ab biological fluid
17. Any characteristic of the patient especially a disease state that makes the use of a given medication dangerous for the patient
19. Therapy given to prevent an illness during a planned event
21. 2 drugs with the same bioavailability and concentration of active ingredients
23. The time it takes for one-half of the original amount of a drug to be removed from the body

1. The transport of a drug by the bloodstream to its site of action
2. route by which the drug is absorbed into the circulation via oral or gastric mucosa or the small intestine.
3. Extent of drug absorption or how much of the drug will reach the circulation
4. metabolism of a drug and its passage from the liver into the circulation
5. Unique protective capillary system in the CNS
6. Ratio of a drug's toxic level to the level that provides therapeutic benefits
7. Study of drugs movement into, within, and out of the body
9. Decreasing response to repeated drug doses
11. The physiologic reaction of the body to the drug
18. Main organ for excretion
20. Highest blood level
22. Place where metabolism frequently occurs