HOSA Pharmacology Exam Study Guide with Complete Solutions
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Course
2024/2025
Institution
2024/2025
HOSA Pharmacology Exam Study Guide
with Complete Solutions
Absorption - Answer-Process by which a drug enters the circulatory system (blood).
Intravenous (IV) & Intra-Arterial - Answer-Administration/Dosage routs that do not require
absorption.
Absorption, Distribution, Metabolism, & Eliminati...
Duration Of Action - Answer✔✔-Length of time a drug gives the desired response/remains at the
therapeutic level.
Elimination - Answer✔✔-Removal of a drug or the drugs metabolites from the body by excretion.
First-Order - Answer✔✔-Drugs for which the rate of elimination is concentration dependent (as opposed
to ____ _ _____).
First-Pass Effect - Answer✔✔-Extent to which a drug is metabolized by the liver before reaching full body
circulation. This can substantially decrease bioavailability of certain drugs when administered orally, in
which case administration by injection is required.
Half-Life - Answer✔✔-Time necessary for the body to eliminate half of the drug in the body @ any 1
time (written as T 1/2).
Homeostasis - Answer✔✔-Maintenance of stability in the internal environment of the body.
Induction - Answer✔✔-Process by which a drug increases the concentration of certain enzymes that
affect the pharmacologic response to other drugs.
Inhibition - Answer✔✔-Process by which a drug blocks enzyme activity & impairs the metabolism of
another drug.
Interaction - Answer✔✔-Change in the action of a drug caused by another drug, food, or another
substance, such as alcohol or nicotine.
Lipid - Answer✔✔-Fatty molecule - An important constituent of cell membranes; they generally repel
water.
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