Anesthesia Pharmacology: ANS
Introduction Practice Questions
Choose the correct answer for each question.
Atropine effects:
- increased heart rate
- pupillary dilation
- dry mouth
- all of the above
Cholinergic agent least likely to enter the brain:
- atropine
- scopolamine
- ipratropium (Atrovent)
- DFP
Reversible, noncovalent inhibitor of acetylcholinesterase
- physostigmine (Antilirium)
- DFP
- edrophonium (Tensilon)
- soman
Ganglionic blocker:
- scopolamine
- dopamine (Intropin)
- mecamylamine (Inversine)
Predominant autonomic tone:
- veins:parasympathetic
- heart:sympathetic
- ciliary muscle: sympathetic
- salivary glands: parasympathetic
Powerful agonist at both alpha and beta adrenergic receptors
- isoproterenol (Isuprel)
- dopamine (Intropin)
- clonidine (Catapres)
- epinephrine
Positive inotropic drug that at low doses specifically promotes an increase in renal blood flow:
- dobutamine (Dobutrex)
- dopamine (Intropin)
- terbutaline (Brethine)
- lodoxamine (Alomide)
Beta-2 receptor activation
- terbutaline (Brethine)
- metaproterenol (Alupent)
- ritodrine (Yutopar)
- all of the above
Antihypertensive effect due to activation of CNS alpha-2 receptors
- guanfacine (Tenex)
- captopril (Capoten)
- esmolol (Brevibloc)
- phenoxybenzamine (Dibenzyline)
CNS stimulant used in management of narcolepsy or attention-deficit disorder
- scopolamine
- methylphenidate (Ritalin)
- mecamylamine (Inversine)
- clonidine (Catapres)
Antihypertensive agent that acts by direct arteriolar dilation:
- labetalol (Trandate, Normodyne)
- hydralazine (Apresoline)
- methoxamine (Vasoxyl)
- reserpine
Inhibitor of angiotensin converting enzyme
- nicardipine (Cardene)
- captopril (Capoten)
- phentolamine (Regitine)
- esmolol (Brevibloc)
Vasodilator used to manage hypertensive emergencies:
- captopril (Capoten)
- nitroprusside sodium (Nipride)
- phenoxybenzamine (Dibenzyline)
- minoxidil (Loniten)
Angiotensin II receptor antagonist:
- captopril (Capoten)
- losartin (Cozaar)
- methyldopa (Aldomet)
- phenoxybenzamine (Dibenzyline)
Most common side effect of oral beta-2 receptor agonists
- brochodilation
- tremor
- vasodilation
- tachycardia