ANS Flashcards

1
Q

ANS: cholingergic

A

constrict pupils, increased saliva, bronchconstriction, increased GI mucous, bladder fundus contraction

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2
Q

ANS: adrenergic

A

dry mouth, dilate pupils, increased contractility, increased HR, bronchodilation, bladder fundus relaxes and sphincter contracts

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3
Q

ANS: beta adrenergic physiologic activities

A

cardiac acceleration and increased contractility, vasodilation of arterioles supplying skeletal muscle, bronchial relaxation, uterine relaxation

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4
Q

cholinergic drugs

A

parasympathomimetic

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5
Q

ANS: alpha adrenergic physiologic activities

A

vasoconstriction of arterioles -> increase BP, pupil dilation, relax gut

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6
Q

cholinergic blocking drugs

A

parasympatholytic, anticholinergic, or antimuscarinic

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7
Q

adrenergic blocking agents

A

sympatholytic

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8
Q

adrenergic drugs

A

sympathomimetic

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9
Q

beta 2 agonists

A

bronchodilation main use of these drugs (albuterol)

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10
Q

alpha 1 receptors use

A

nasal congestion, hypotension, dilation of pupils for eye exam

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11
Q

indirect acting cholinergics available

A

cholinesterase inhibitors. prototype: neostigmine bromide/Prostigmin

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12
Q

alpha 2 receptors use

A

hypertension

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13
Q

main use of cholinergic drugs

A

decrease IOP in glaucoma, treat atony of GI tract and bladder, tx and treat myasthenia gravis, anticholinergic toxicity trated with physostigmine

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14
Q

beta 1 receptors use

A

cardiac arrest, HF, shock

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15
Q

beta 2 receptors use

A

asthma, premature labor contractions

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16
Q

alpha 2 agonists

A

slow HR and cause vasodilation by working centrally in brain. clonidine lowers BP and HR, used for treating withdrawal symptoms, ADHD

17
Q

adrenergic antagonists: alpha blockers

A

block alpha receptors -> vasodilation. treat: HTN, BPH, Raynaud’s disease, migraines

18
Q

beta blockers: propranolol vs atenolol

19
Q

alpha blockers available

A

prazosin/Minipress (HTN), tamulosin/Flomax (BPH)

20
Q

adrenergic antagonists: beta blockers

A

antagonize/block effects of catecholamines. can be “selective” to beta 1 receptors or “nonselective” to beta 1. mainly used for HTN and post MI. Also, HF, angina, antidysrhytmic post MI, migraine prophylaxis, arrythmias

21
Q

direct acting cholinergics available

A

bethanechol/Urecholine, pilocarpine/Pilocar

22
Q

uses for anticholinergic drugs

A

block vagal impulses to heart. supress or decrease respiratory secretions preop med, bladder spasms. relax sphyncter muscle of iris. treat tremors/rigidity Parkinsonism. treat side effects of psychotropic meds.

23
Q

bethanechol/Urecholine

A

increases tone of detrusor muscle and causes bladder contractions. Increases gastric tone. Used for: neurogenic bladder atony. NOT used for reflux

24
Q

anticholinergic drugs available

A

atropine is prototype. belladonna tincture. trihexyphenidyl/Artane, oxybutinin Cl/Ditropan, scopolamine/Hycosine, benztropine/Cogentin

25
cholinesterase inhibitors uses
myasthenia gravis (neostigmine and pyridostigmine), Alzheimer's (donepezil/Aricept)
26
cholinergic blockers available and uses
atropine prototype. scopolamine motion sickness. ipratropium bromide bronchodilator. benzotropine EPS symptoms. oxybutin bladder spasms.