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16 Cards in this Set
- Front
- Back
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affinity |
the ability of a medication to bind with a particular receptor site |
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agonist medications |
the group of medications that initiates or alters a cellular activity by attaching to receptor sites, promoting a cellular response |
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antagonist medications |
the group of medications that prevent endogenous or exogenous agonist chemicals from reaching cell receptor sites and initiating or altering a particular cellular activity |
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endogenous |
origingating from within the organism (body) |
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exogenous |
originating outsite the organism (body) |
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Efficacy |
In a pharmacologic context, the ability of a medication to produce the desired effect.
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noncompetative antagonists |
Medications that permanently bind with receptor sites and prevent activation by agonist chemicals.
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competative antagonists |
The medications that temporarily bind with cellular receptor sites, displacing agonist chemicals.
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partial agonist |
A chemical that binds to the receptor site but does not initiate as much cellular activity or change as other agonists do; lowers the efficacy of other agonist chemicals present at the cells.
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antimicrobials |
The medications used to kill or suppress the growth of microorganisms.
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chelating agents |
Medications that bind with heavy metals in the body and create a compound that can be eliminated; used in cases of ingestion or poisoning.
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diuretics |
A chemical that increases urinary output.
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cytochrome P-450 system
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A hemoprotein involved in the detoxification of many drugs.
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placebo effect |
In a pharmacologic context, the positive and negative effects of an inactive medication on a person that are related to the person's expectations and other factors.
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paradoxical reaction |
clinical effects from a medication that are opposite from the intended effects |
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pincytosis |
large medication molecules use to ingest intracellular fluids and their contents
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