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5 Cards in this Set
- Front
- Back
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3 important zero order drugs
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Aspirin (high doses), phenytoin, and ethanol (except at low blood concentrations)
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Define agonist
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Drug that binds to a receptor and activates it
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Define partial agonist
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Drug that binds to a receptor but does not elicit a 100% response. It will elicit a partial response when administered alone. When administered with a full agonist, it acts as an antagonist b/c it displaces the full agonist from the receptor.
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Define competitive antagonist
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Binds to receptor without activating the effector system. Can be overcome by increasing agonist dose. See a parallel right shit in dos response curve.
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Define noncompetitive antagonist
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Binds to receptor without activating the effector system. Cannot be overcome by increasing agonist dose. Seen as a downward shift in dose response.
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