Dr. Levy

4. The transport of a drug by the bloodstream to its site of action
7. Unique protective capillary system in the CNS
8. Extent of drug absorption or how much of the drug will reach the circulation
10. Lowest blood level
11. Biologic transformation of a drug
12. Study of drugs movement into, within, and out of the body
13. Decreasing response to repeated drug doses
16. Ratio of a drug's toxic level to the level that provides therapeutic benefits
18. The study of natural (plant and animal) drug sources
20. Effect of 2 drugs that are administered together that have greater effects together than they would apart
22. Physiologic or psychological need for a drug
23. Highest blood level
24. metabolism of a drug and its passage from the liver into the circulation
26. Drug effects are opposite of each other

1. Place where metabolism frequently occurs
2. Main organ for excretion
3. Any characteristic of the patient especially a disease state that makes the use of a given medication dangerous for the patient
5. Cancer- causing effects
6. Therapy given to prevent an illness during a planned event
9. 2 drugs with the same bioavailability and concentration of active ingredients
12. What the drug does to the body
14. Ratio of the rate of the elimination of a drug to the concentration in ab biological fluid
15. The time it takes for one-half of the original amount of a drug to be removed from the body
17. Route by which a drug is administered intravenously, intramuscularly, subcutaneously etc.
19. The physiologic reaction of the body to the drug
21. route by which the drug is absorbed into the circulation via oral or gastric mucosa or the small intestine.
25. The time it takes for the drug to elicit a therapeutic response