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48 Cards in this Set
- Front
- Back
Salicylate overdose - give what?
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bicarbonate - sucks the H+ off, making salicylate charged, trapping in urine
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Amphetamine overdose - give what?
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NH4CL - forces H+ onto basic amphetamine, trapping it in urine
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this drug regenerates acetylcholinesterase (after organophosphate overdose)
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pralidoxime
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Symptoms of excess parasympathetic activity?
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DUMBBELS - diarrhea, urination, miosis, bronchospasm, bradycardia, excitation of CNS, lacrimation, sweating and salivation
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Symptoms of excess anticholinergic activity?
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Hot as a Hare, Mad as a Hatter, Dry as a bone, Red as a Beet, Blind as a Bat, bloated as a toad
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atropine contraindicated in? (6 things)
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glaucoma, BPH, infant w/ fever, ileus, dementia, delerium, elderly
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Gardner presents with shortness of breath, salivation, miosis, diarrhea - cause? Mechanism of action?
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Cause - organophosphate toxicity; Mechanism - inhibition of Acetylcholinesterase
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30 YO schitzophrenic w/ urinary retention due to neuroleptic - treat with what?
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neostigmine or bethanochol
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enzyme that converts tyrosine to L-dopa
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tyrosine hydroxylase
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enzyme that converts choline, acetyl coA to acetylcholine
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Choline Acetyltransferase
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Mechanism of Botulinum toxin?
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inhibits Ach release from presynapse
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3 things inhibiting NE reuptake?
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cocaine, TCA, amphetamine
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Mechanism of action of ephedrine?
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encourages NE release from presynapse
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Mechanism of action of amphetamine?
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encourages NE release from presynapse, inhibits NE reuptake
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Mechanism of action of tyramine?
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encourages NE release from presynapse
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tyramine contraindicated with use of _________
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MAOI
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metabolizes NE in synapse
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COMT, MAO
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G (s) Protein --> _______ --> _________ --> ___________
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activate adenylate cyclase, increased cAMP, activate protein Kinase A
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G (q) Protein --> _______________ --> both __________ and ___________
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Phospholipase C, IP3, DAG
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DAG activates what?
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Protein Kinase C activated by?
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IP3 --> _________
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Calcium
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Phase I metabolism - name and reactions
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P450, reduction, oxidation, hydrolysis
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Phase II metabolism - name and reactions
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conjugation, acetylation, glucuronidation, sulfation - makes things polar (to be excreted in kidneys)
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Inactivate P450
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PICK EGS - Protease inhibitors, Isoniazid, Cimetadine, ketoconazole, erythromyacin, grapefruit juice, sulfonamides
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Question for Phase I clinical trial?
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is it safe?
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question for Phase II clinical trial?
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does it work?
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Question for phase III clinical trial?
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does it work better?
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alpha 1 - which kind of receptor? Action?
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G(q), vascular constriction, mydriasis, sphincter contraction
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alpha 2 - which kind of receptor? Action?
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G(i), DECREASED SNS outflow,
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beta 1 - which kind of receptor? Action?
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G(s), increased HR, contractility, renin release
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beta 2 - which kind of receptor? Action?
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G(s), VASODILATION, bronchodilation, increased HR, conractility
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M1 - which kind of receptor?
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G(q)
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M2 - which kind of receptor? Action?
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G(i), decreased HR, contractility
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M3 - which kind of receptor? Action?
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G(q), increased sweat,
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D1 - which kind of receptor? Action?
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G(s), relaxes renal vascular smooth muscle
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D2 - which kind of receptor? Action?
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G(i), modulates transmitter release, especially in brain
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H1 - which kind of receptor? Action?
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G(q), nasal, bronchial mucus production, bronchoconstriction, pain
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H2 - which kind of receptor? Action?
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G(s), gastric acid secretion
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V1 - which kind of receptor? Action?
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G(q), increased vascular smooth muscle contraction
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V2 - which kind of receptor? Action?
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G(s), increased H20 permeability in kidneys
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Mechanism of open/wide angle glaucoma?
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obstruction of outflow (canal of schlemm)
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Mechanism of closed/narrow angle glaucoma?
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obstruction of flow between iris and lens
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Contraindicated in closed angle glaucoma
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epinephrine, atropine, anything causing mydriasis
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Volume of distribution equals?
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amount of drug given/[drug] in plasma
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Clearance equals?
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.7 X volume of distribution/half life
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loading dose equals?
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Css X volume of distribution
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maintenance dose equals?
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Css X CL
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5 classes of drugs used to treat Glaucoma
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prostaglandin, alpha-agonist, beta-antagonist, diuretic, cholinomimetic
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