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Pharmacology - Ch.2
terminology
| Question | Answer |
|---|---|
| Bioavailability | Percentage of the drug dosage that is absorbed. |
| Drug Absorption | Entrance of a drug into the bloodstream from its site of administration. |
| Drug Addiction | Condition of drug abuse and drug dependence that is characterized by compulsive drug behavior. |
| Drug Dependence | Condition of reliance on the use of a particular drug, characterized as physical and/or psychological dependence. |
| Drug Distribution | Passage of a drug from the blood to the tissues and organs of the body. |
| Drug Microsomal Metabolizing System (DMMS) | Group of enzymes located primarily in the liver that function to metabolize (biotransformation) drugs. |
| Drug Tolerance | Decreased drug effect occurring after repeated drug administration. |
| Enzyme Induction | Increase in the amount of drug-metabolizing enzymes after repeated administration of certain drugs. |
| Enzyme Inhibition | Inhibition of drug-metabolizing enzymes by certain drugs. |
| First-pass Metabolism | Drug metabolism that occurs following oral absorption from the GI tract. |
| Half-life | Time required for the body to rid itself of half of the drug dosage that was absorbed (percent bioavailability) |
| Individual Variation | Difference in the effects of drugs and drug dosages from one person to another. |
| Intramuscular (IM) Injection | Route of drug administration; drug is injected into gluteal or deltoid muscles. |
| Intravenous (IV) Injection | Route of drug administration; drug is injected directly into a vein. |
| Loading Dose | Initial drug dose administered to rapidly achieve therapeutic drug concentrations. |
| Maintenance Dose | Dose administered to maintain drug blood levels in the therapeutic range. |
| Oral Administration | Route of drug administration by way of the mouth through swallowing. |
| Parenteral Administration | Route of drug administration that does not involve the gastrointestinal (GI) tract. |