Dr. Levy

2. Physiologic or psychological need for a drug
5. route by which the drug is absorbed into the circulation via oral or gastric mucosa or the small intestine.
9. Decreasing response to repeated drug doses
10. metabolism of a drug and its passage from the liver into the circulation
12. The study of natural (plant and animal) drug sources
13. Any characteristic of the patient especially a disease state that makes the use of a given medication dangerous for the patient
16. The time it takes for one-half of the original amount of a drug to be removed from the body
17. The use of drugs and the clinical indications for drugs to prevent and treat diseases
18. Ratio of a drug's toxic level to the level that provides therapeutic benefits
20. Effect of 2 drugs that are administered together that have greater effects together than they would apart
21. 2 drugs with the same bioavailability and concentration of active ingredients
22. Drug effects are opposite of each other
25. Highest blood level

1. What the drug does to the body
3. The physiologic reaction of the body to the drug
4. Ratio of the rate of the elimination of a drug to the concentration in ab biological fluid
6. Therapy given to prevent an illness during a planned event
7. Cancer- causing effects
8. Unique protective capillary system in the CNS
9. Lowest blood level
11. Study of drugs movement into, within, and out of the body
14. The transport of a drug by the bloodstream to its site of action
15. Extent of drug absorption or how much of the drug will reach the circulation
19. Route by which a drug is administered intravenously, intramuscularly, subcutaneously etc.
23. Fetal defects due to medications
24. The time it takes for the drug to elicit a therapeutic response