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48 Cards in this Set

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