Key Terms Pharmacology: An Introduction Ch 1

Front 1

adverse effect

Back 1

general term for undesirable and potentially hamful drug effect.

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agonist

Back 2

drug that binds to its receptor and produces a drug action.

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antagonist

Back 3

drug that binds to its receptor and prevents other drugs or substances from producing an effect.

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chemical name

Back 4

name that defines the chemical composition of a drug.

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contraindication

Back 5

situations or conditions when a certain drug should not be administered.

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controlled substance

Back 6

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

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dose

Back 7

exact amount of a drug that is administered in order to produce a specidic effect.

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drug

Back 8

chemical substance that produces a chnage in body function.

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drug indications

Back 9

intended or indicated uses for any drug.

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ED50

Back 10

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

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mechanism of action

Back 11

explanation of how a drug produces its effects.

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nonprescription, over-the-counter (OTC) drug

Back 12

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

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pharmacology

Back 13

study of drugs.

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potency

Back 14

measure of the strenght, or concentration, of a drug required to produce a specific effect.

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prescription drug

Back 15

drug for which dispensing requires a written or phone order that can only be issued by or under the direction of a licensed physician.

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receptor

Back 16

specific location on a cell membrane or within the cell where a drug attache to produce its effect.

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side effect

Back 17

drug effect other than the therapeutic effect that is usually undesirable but not harmful.

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therapeutic effect

Back 18

desired drug effect to alleviate some condition or symptonm of disease.

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therapeutic indix (TI)

Back 19

ratio of the LD50 to the ED 50

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toxic effect

Back 20

undesirable effect that impies drug poisoning; can be very harmful or life-threatening.

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trade name

Back 21

patented proprietary name of drug sold by a specific drug manufacturer.