Unit 1, Chapter 1 Flashcards
What is an adverse effect?
General term for undesirable and potentially harmful drug effect.
What is an agonist?
Drug that binds to a receptor and activates a physiologic response or drug action.
What is an antagonist?
Drug that binds to a receptor and interferes with other drugs or substances from producing a drug effect.
What is a chemical name?
Name that defines the chemical composition of a drug.
What are contraindications?
Situations or conditions when a certain drug should not be administered.
What is a controlled substance?
Drug that has the potential for abuse and thus is regulated by law.
What is a dose?
A measurement of the amount of drug that is administered.
What is a drug?
Chemical substance that produces a change in body function.
What are drug indications?
Intended or indicated uses for any drug.
What is ED50?
Effective dose 50, or dose that will produce an effect that is half of the maximal response.
What is a generic name?
Nonproprietary name of a drug.
What is LD50?
Lethal dose 50, or dose that will kill 50 percent of the laboratory animals tested.
What is the mechanism of action?
Explanation of how a drug produces its effects.
What is a nonprescription, over-the-counter (OTC) drug?
Drug that can be purchased without the services of a physician.
What is pharmacology?
Study of drugs.
What is potency?
Measure of the strength, or concentration, of a drug required to produce a specific effect.
What is a 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.
What is a receptor?
Specific cellular structure that a drug binds to in order to produce a physiologic effect.
What is a side effect?
Drug effect other than the therapeutic effect that is usually undesirable but not harmful.
What is the site of action?
Location within the body where a drug exerts its therapeutic effect, often a specific drug receptor.
What is a therapeutic effect?
Desired drug effect to alleviate some condition or symptom of disease.
What is the therapeutic index (TI)?
Ratio of the LD50 to the ED50 in animal studies.
What is a toxic effect?
Undesirable drug effect that implies drug poisoning; can be very harmful or life-threatening.
What is a trade name?
Patented proprietary name of a drug sold by a specific drug manufacturer; also referred to as the brand name.