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ANS Drugs
Step 1
42
Other
Not Applicable
06/07/2008

Additional Other Flashcards

 


 

Cards

Term

Bethanechol

 

Uses?

Definition

Direct cholinomimetic agonist.

 

Post-operative and neurogenic ileus and urinary retention.

Term

Carbachol

 

Uses?

Definition

Directh cholinomimetic agonist.

 

 

Glaucoma.

Term

Pilocarpine

 

Uses?

Definition

Direct cholinomimetic agonist

 

 

Potent stimulator of sweat, tears, saliva.

Term

Methacholine.

 

 

Uses?

Definition

Direct cholinomimetic agonist.

 

Challenge test for Dx of asthma. Causes bronchoconstriction.

Term

Neostigmine

 

Uses?

Definition

AChE inhibitor.

 

 

Post-op and neurogenic ileus and urinary retention, MG, reversal of NMJ in anesthesia

Term

Pyridostigmine

 

Uses?

Definition

AchE inhibitor.

 

 

Myasthenia gravis.

Term

Edrophonium

 

 

Uses?

Definition

AchE inhibitor.

 

 

Dx of myasthenia gravis.

Term

Physostigmine.

 

 Uses?

Definition

AchE inhibitor.

 

Glaucoma

Atropine-overdose

Term

Echothiophate

 

Uses?

Definition

AchE inhibitior.

 

 

Glaucoma

Term

Parathion and organophosphate poisoning.

 

What are the Sx and Tx?

Definition

Sx: Diarrhea, Urination, Miosis, Bronchospasm, Bradycardia, Excitation of skeletal muscle and CNS, Lacrimation, Sweating, Salivation

 

Tx: atropine and pralidoxime

Term

Atropine, homatropine, tropicamide, cyclopentolate

 

 

Use?

Definition

Muscaranic antagonist

 

 

Produces mydraisis and cycloplegia in eye.

Term

Benztropine

 

Use?

Definition

Cholinoreceptor blocker

 

 

Parkinson's disease, dystonia from neuroleptics

Term

Scopalimine

 

Use?

Definition

Cholinoreceptor blocker

 

 

Motion sickness.

Term

Ipratropium

 

 

Use?

Definition

Cholinoreceptor blocker

 

 

Asthma, COPD

Term

Methscopolamine, oxybutin, glycopyrrolate

 

Use?

Definition

Cholinoreceptor blocker

 

 

Redce hypermobility in GI, reduce urgery and incontinence

Term

Tubocurarine, pancuronium

 

 

Use?

Definition

Antagonist at NMJ.

 

Anesthesia

 

Overcome with AchEI like neostigmine, edrophonium, etc.

Given with glycopyrrolate to avoid SLUD effects

Term

What plant extract mimics atropine-toxicity?

Definition

Belladona plant extract from Jimson weed plant.

 

Note: SLUD seen from muscarine or clitocybe dealbata mushroom

Term

Epinephrine

 

 

Which receptors does it affect?

Definition
alpha 1, alpha 2, beta 1, beta 2
Term

Norepinephrine

 

Which receptors does it affect?

Definition
alpha 1 & 2 > beta 1
Term
Norepinephrine is converted to epinephrine by what enzyme?
Definition
PNMT
Term

Isoproterenol

 

Acts at which receptors?

Definition

Beta 1 = Beta 2

Term

Dopamine

 

Acts at which receptors?

Definition
D1 = D2 > beta > alpha
Term

Dobutamine

 

Acts at which receptors?

Definition
Beta 1 > beta 2
Term

Phenylephrine

 

 

Acts at which receptors?

Definition
alpha 1 > alpha 2
Term

Terbulatine, albuterol

 

 

Acts at which receptors?

Definition
Beta 2 > beta 1
Term

Phenoxybenzamine, phentolamine

 

 

MOA?

Definition

Non-selective blocker of alpha 1 & 2

 

Phenoxybenzamine is irreversible

 

Phentolamine is reversible

Term

Prazosin, terazosin

 

 

MOA?

Definition

Selective alpha 1 blocker.

 

Use in hypertension and urinary retention in BPH.

Term

Mirtazapine

 

MOA?

Definition

Selective alpha 2 blocker.

 

 

Used in depression. May increase cholesterol.

Term
What are the non-selective beta blockers?
Definition

Propranolol, timolol, nadolol, pindolol, labetalol

Term
What are the selective beta 1 blockers?
Definition

Acebutolol

 

Betaxolol

Esmolol

Atenolol

Metoprolol

Term

p450 inducer or inhibitor?

 

Quinidine

Definition
Inducer
Term

p450 inducer or inhibitor?

 

Barbiturates

Definition
Inducer
Term

p450 inducer or inhibitor?

 

Phenytoin

Definition
Inducer
Term

p450 inducer or inhibitor?

 

Rifampin

Definition

Inducer.

Term

p450 inducer or inhibitor?

 

Griseofulvin

Definition
Inducer.
Term

p450 inducer or inhibitor?

 

St. John's wort

Definition
Inducer
Term

p450 inducer or inhibitor?

 

Isoniazid

Definition
Inhibitor.
Term

p450 inducer or inhibitor?

 

Sulfonamides

Definition
Inhibitor.
Term

p450 inducer or inhibitor?

 

Cimetidine.

Definition

inhibitor

Term

p450 inducer or inhibitor?

 

Ketoconazole

Definition
Inhibitor.
Term

p450 inducer or inhibitor?

 

Erythromycin

Definition
Inhibitor
Term

p450 inducer or inhibitor?

 

Grapefruit juice.

Definition
Inhibitor
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