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Pharm Unit 1 Terms
Pharmacology: Unit 1 terms (Ch 1-4)
| Question | Answer |
|---|---|
| Adverse effect | general term for undesirable and potentially harmful drug effect |
| Agonist | drug that binds to a receptor and activates a physiologic response or drug action |
| Antagonist | drug that binds to a receptor and interferes with other drugs or substances form producing a drug effect |
| Chemical name | name that defines the chemical composition of a drug |
| Contraindications | situations or conditions when a certain drug should not be administered |
| Controlled substance | drug that has the potential for abuse and thus is regulated by law |
| Dose | a measurement of the amount of drug that is administered |
| Drug | chemical substance that produces a change in body function |
| Drug indications | intended or indicated uses for any drug |
| ED50; effective dose 50 | dose that will produce an effect that is half of the maximal response |
| Generic name | nonproprietary name of a drug |
| LD50/Lethal dose 50 | dose that will kill 50% of the laboratory animals tested |
| Mechanism of action | explanation of how a drug produces its effects |
| Nonprescription/OTC drugs | drug that can be purchased without the services of a physician |
| Pharmacology | the study of drugs |
| Potency | measure of the strength/concentration of a drug required to produce a specific effect |
| Prescription drug | drug for which dispensing requires a written or phone order that can only be issued by or under the direction of a licensed physician |
| Receptor | specific cellular structure that a drug binds to and that produces a physiologic effect |
| Side effect | drug effect other than the therapeutic effect that is usually undesirable but not harmful |
| Site of action | location within the body where a drug exerts its therapeutic effect, often a specific drug receptor |
| Therapeutic effect | desired drug effect to alleviate some condition or symptom of disease |
| Therapeutic index (TI) | ratio of the LD50 to the ED50 in animal studies |
| Toxic effect | undesirable drug effect that implies drug poisoning; can be very harmful or life-threatening |
| Trade name | patented proprietary name of a drug sold by a specific drug manufacturer; also referred to as the brand name. |