Pharmacology Key Terms

Question 1

Adverse effect

Answer 1

General term for undesirable and potentially harmful drug effect.

Question 2

Agonist

Answer 2

Drug that binds to a receptor and activates a physiologic response or drug action.

Question 3

Antagonist

Answer 3

Drug that binds to a receptor and interferes with other drugs or substances from producing a drug effect.

Question 4

Chemical name

Answer 4

Name that defines the chemical composition of a drug.

Question 5

Contraindications

Answer 5

Situations or conditions when a certain drug should not be administered

Question 6

Controlled substance

Answer 6

Drug that has the potential for abuse and thus is regulated by law.

Question 7

Drug

Answer 7

chemical substance that produces change in body function.

Question 8

Drug indications

Answer 8

Intended or indicated uses for any drug.

Question 9

ED50

Answer 9

effective dose 50, or does that will produce an effects that is half of the maximal response.

Question 10

Generic name:

Answer 10

nonproprietary name of a drug.

Question 11

LD50

Answer 11

Lethal dose 50, or a dose that kills 50 percent of the laboratory animals tested.

Question 12

Mechanism of action:

Answer 12

Explanation on how a drug produces its effects.

Question 13

Nonprescription, over-the-counter (OTC) drug

Answer 13

drug that can be purchased without the services of a physician.

Question 14

Pharmacology

Answer 14

Study of drugs.

Question 15

Prescription drug:

Answer 15

Drug for which requires a written or over the phone order that can only be issues by a licensed physician.