exam 2 Flashcards

1
Q

adrenergic effects what system

A

sympathetic

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2
Q

cholinergic effects what system?

A

parasympathetic

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3
Q

what does parasympathomimetic mean?

A

mimics the parasympathetic system

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4
Q

what does sympathomimetic mean?

A

mimics the sympathetic system

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5
Q

what does parasympatholytic mean?

A

blocks normal effects of PSNS

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6
Q

what does sympatholytic mean?

A

blocks normal effects of the SNS

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7
Q

cholinergic receptors

A

muscarinic and nicotinic

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8
Q

adrenergic recepters

A

alpha 1, alpha 2, beta 1, beta 2, beta 3, dopamine

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9
Q

primary neurotransmitter for PSNS

A

Acetylcholine

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10
Q

what is acetylcholinesterase?

A

enzyme that breaks down acetylcholine

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11
Q

how does a direct acting cholinergic agonist work?

A

binds directly to receptor to activate them

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12
Q

how does an indirect acting cholinergic agonist work?

A

stops action of cholinesterase which increases availability of acetylcholine

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13
Q

what are the effects of a cholinergic agonist?

A

SLUDGE, pupil and bronchi constrict, HR and BP decrease

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14
Q

what is cholinergic crisis?

A

when pt receives too much of a cholinergic agonist

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15
Q

symptoms of cholinergic crisis

A

abdominal cramping, hypotension, shock, salivation, bloody diarrhea, and cardiac arrest

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16
Q

how is cholinergic crisis treated

A

atropine

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17
Q

bethanechol use

A

direct acting, relaxes bladder sphincter for urinary retention

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18
Q

cevimeline use

A

direct acting, stimulates salivation and lacrimation

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19
Q

pyridostigmine use

A

indirect acting, inhibits cholinesterase, used for myasthenia gravis

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20
Q

tensilon test

A

indirect acting, used to assist in myasthenia gravis diagnosis

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21
Q

alzheimers drugs (4)

A

donepezil, rivastigmine, galantamine, memantine

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22
Q

what are anticholinergics?

A

block muscarinic receptors and inhibit action of acetylcholine

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23
Q

atropine

A

anticholinergic, lowers salivary, bronchial, GI and sweat secretions, pupil and bronchi dialates, HR inscreases

24
Q

scopolamine use

A

suppresses emesis and motion sickness

25
ipratropium bromide use
bronchodilator inhaler
26
benztropine mesylate use
used in parkinsons
27
oxybutynin use
bladder incontinence
28
diclyomine use
IBS
29
glycopyrrolate use
dries secretions
30
what do neuromuscular blocking agents do?
blocks nicotinic receptors, muscle relaxer
31
succinylcholine use
paralytic that peaks after 1 mins and lasts up to 10 mins usually for intubation
32
pancuronium, vecuronium, and rocuronium use
muscle relaxer used for intubation
33
what are adrenergic agonists?
drugs that mimic the SNS
34
how are andrenergic agonists classified?
catecholamines and noncatecholamines
35
what are catecholamines?
substances that produce a sympathomimetic response that are not PO and cant cross the BBB
36
selective adrenergics activate which recpetors?
alpha 2 and dopamine
37
non selective adrenergics activate which recpetors?
alpha 1, beta 1 and beta 2
38
alpha 1 receptor activation
vasoconstriction, pupils dilate, and urinary retention
39
alpha 2 receptor activation
works through CNS and inhibits norepinephrine release which leads to vasodilation which lowers BP
40
Beta 1 receptor activation
increases HR, contractility, and AV node conduction
41
chronotropic meaning
heart rate
42
inotropic meaning
contractility
43
dromotropic meaning
AV node conduction
44
Beta 2 receptor activation
bronchodialation and uterine relaxation
45
Beta 2 receptor caution
it causes glycogenolysis which can lead to hyperglycemia
46
norepinephrine use
non selective catecholinergic that acts as a vasoconstrictor and increases BP and activates beta 1 receptor
47
phenylephrine use
alpha 1 selective vasoconstictor (bp increased, pupils dilate, and nasal decongestion)
48
midodrine use
alpha 1 selective orthostatic hypotension (dont give 4 hours before bed bc it can cause supine hypertension)
49
clonidine use
alpha 2 selective inhibits norepinephrine release which causes vasodilation and decreases BP
50
dobutamine use
beta 1 selective catecholamine and increases cardiac output
51
albuterol use
beta 2 selective bronchodilator
52
terbutaline use
beta 2 selective stops preterm labor
53
mirabegron use
beta 3 selective that relaxes the detrussor muscle as bladder fills to increase capacity
54
what are adrenergic blockers?
bind to adrenergic receptors and inhibits stimulation of SNS
55
adrenergic blocker medication ending for alpha 1 selectivity
osin
56
adrenergic blocker alpha 1 uses
hypertension, urinary obstruction of BPH, and preventing skin necrosis
57
adrenergic blocker beta 2 selectivity uses (aka beta blocker)
decrease HR, BP, contractility, conduction, myocardial oxygen demand and bronchoconstriction