ANS Flashcards
Neurotransmitters in SNS, PNS, and somatic NS
SNS - acetylcholine and NE
PNS - acetylcholine
Somatic - acetylcholine
Describe the physiological effects of sympathetic on the heart, eyes, salivary glands, bronchioles, urinary bladder, and digestive system
-increases HR
-dilates pupils
-inhibits salivation
-relaxes bronchioles
-relaxes bladder
-inhibits digestion
Describe the physiological effects of parasympathetic nervous system on the heart, eyes, salivary glands, bronchioles, urinary bladder, and digestive system
-decreases HR
-constricts pupils
-stimulates salivation
-constricts bronchioles
-contracts bladder
-stimulates digestion
Name the cholinergic receptors
nicotinic (Nn and Nm) and muscarinic (M1-3)
Name the adrenergic receptors
alpha (subtypes 1-2)
beta (subtypes 1-3)
Name the directly acting cholinergic agonists (4)
bethanechol, pilocarpine, methacholine, carbachol
Bethanechol MOA
increases tonicity in the detrusor mus (in bladder) and stimulate gastric motility
Bethanechol AE (5)
abdominal discomfort, urinary urgency, flushing, bronchial constriction, asthma attacks
Pilocarpine MOA
decreases fluid in eye which decreases eye pressure
Pilocarpine AE (5)
-blurred vision
-decreased night vision
-eye irritation
-headache
-increase sweating and salivation
Methacholine purpose
to dx asthma
Carbachol purpose
to tx glaucoma
Indirect-acting cholinergic agonists (9)
donepezil
rivastigmine
galantamine
neostigmine
pyridostigmine
edrophonium
ambenonium
physostigmine
echothiopate
What condition are donepezil, rivastigmine, and galantamine used for
Alzheimer’s
What condition are neostigmine, pyridostigmine, edrophonium, ambenonium used for
myasthenia gravis
What condition are physostigmine and echothiopate used for
glaucoma
AE of cholinergic stimulants (direct acting?) 6
-GI distress
-increased salivation
-increased lachrymation
-bronchoconstriction
-bradycardia
-difficulty in visual accommodation
Name anti-cholinergic drugs (10)
-atropine
-scopolamine
-ipratropium bromide
-tiotropium bromide
-oxybutynin
-tolterodine
-benztropine
-tropicamide
-dicyclomine
-hyoscyamine