12 Questions
What term is used to describe the situation when a certain drug should not be administered?
Contraindication
Which term best describes a drug that attaches to a receptor and initiates an action?
Agonist
What is the term for the name that defines the chemical composition of a drug?
Chemical name
In pharmacology, what does LD50 refer to?
Lethal dose 50%
What term describes the measure of the strength or concentration of a drug required to produce a specific effect?
Potency
Which term refers to a drug that has the potential for abuse and is regulated by law?
Controlled substance
Match the following terms with their definitions:
Potency = Measure of the strength, or concentration, of a drug required to produce a specific effect Therapeutic index (TI) = Ratio of the LD50 to the ED50 in animal studies Generic name = Nonproprietary name of a drug Adverse effect = General term for undesirable and potentially harmful drug effect
Match the following terms with their meanings:
Dose = A measurement of the amount of drug that is administered Site of action = Location within the body where a drug exerts its therapeutic effect, often a specific drug receptor Drug indications = Intended or indicated uses for any drug Mechanism of action = Explanation of how a drug produces its effects
Match the following terms with their descriptions:
Controlled substance = Drug that has the potential for abuse and thus is regulated by law 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 Nonprescription, over-the-counter (OTC) drug = Drug that can be purchased without the services of a physician Therapeutic effect = Desired drug effect to alleviate some condition or symptom of disease
Match the following terms with their definitions:
Agonist = Drug that attaches to a receptor and initiates an action; drug that binds to a receptor and activates a physiologic response or drug action Antagonist = Drug that attaches to a receptor, does not initiate an action, but blocks an agonist from producing an effect; drug that binds to a receptor and interferes with other drugs or substances from producing a drug effect Chemical name = Name that defines the chemical composition of a drug Therapeutic index (TI) = Ratio of the LD50 to the ED50 in animal studies
Match the following terms with their meanings:
LD50 = Lethal dose 50, or dose that will kill 50 percent of the laboratory animals tested ED50 = Effective dose 50, or dose that will produce an effect that is half of the maximal response Adverse effect = General term for undesirable and potentially harmful drug effect Chemical name = Name that defines the chemical composition of a drug
Match the following terms with their descriptions:
Drug allergy = An immune system response to a medication Contraindications = Situations or conditions when a certain drug should not be administered Side effects = Additional effects of a medication beyond the intended therapeutic effects Potency = Measure of the strength, or concentration, of a drug required to produce a specific effect
Test your knowledge of medical terminology with questions about drug administration, contraindications, adverse effects, and different types of drugs such as agonists and antagonists.
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