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Pharmacology Key Terms

Terms in this set (20)

Pharmacology
The study of drugs and their origin, nature, properties, and effects on living oranisms
Drug
A chemical agent used in the prevention, treatment, or diagnosis of diseaseq
Pharmacokinetics
The method by which drugs are absorbed, distributed, metabolized, and eleminated
Drug Vehicle
The substance in which a drug is transported
Bioavailability
How completely a particular drug is absorbed by the system
Volume of Distribution
The volume of plasma in which a drug is dissolved
Efficacy
A drug's capability of producing a specific therapeutic effect
Potency
The dose of a drug required to produce a desired therapeutic effect
Biotransformation
Transforming a drug so that it can be metabolized
Metabolism
Changing a drug into a water-soluble compound that can be excreted
Half-Life
The rate at which a drug disappears from the body through metabolism, excretion, or both
Steady-State
When the amount of the drug taken is equal to the amount that is excreted
Bioequivalent Drugs
Drugs that have similar biological effects
Pharmacodynamics
Refers to the actions or the effects of a drug on the body
Inhalation
Is a means of bringing medication or substances to the respiratory tract
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