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Class: PHAR - Pharmacology; Subject: Pharmacology; University: Samuel Merritt College; Term: Forever 1989;
Typology: Quizzes
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TERM 1
DEFINITION 1 competitive antagonist at beta receptors (beta blocker)all end in lolbeta antagonist prevents the binding of norepinephrine to beta receptorsNE binding to beta receptors raises blood pressure TERM 2
DEFINITION 2 non competitive (irreversible) antagonist at alpha receptors (alpha blocker)used to treat hypertension caused by pheochromocytoma (PE)PE produces excess NENE also binds to alpha receptors which raises blood pressure TERM 3
DEFINITION 3 gold standard against which all pain reduction medications (analgesics) are comparedbinds to opioid receptors, considered a full agonist TERM 4
DEFINITION 4 partial agonist at opioid receptorsincrease morphine dose up to death of the patient (full agonist)partial agonist can not reach 100% response even when the dose is increased beyond the normal amount TERM 5
DEFINITION 5 chemical antagonistdrugs binds to heparin and destroys heparins anti-coagulation actionsantidote for heparin
TERM 6
DEFINITION 6 physiological antagonistcorticosteroid when given po causes elevated plasma glucoseinsulin lowers plasma glucose levelsDrug A causes high BP TERM 7
DEFINITION 7 on every exam***clonidine binds to alpha receptors on neurons and is an agonistits actions are to slow (stop) the release norepinephrine (NE)decrease release of NE and that lowers bpan agonist that lowers bp, very different.Note: agonist binds and produces a biological response, the response can be up or downantagonist binds and blocks drugs and or endogenous compounds from binding to that receptor