test 1 Flashcards
what makes us the CNS
brain and spinal cord
what makes up the PNS
motor neurons and sensory neurons
what systems deprive from motor nuerons
somatic and autonomic
what divisions are under ANS
sympathetic and parasympathetic
sympathetic recpector
adrenergic receptors
parasympathetic receptor
cholinergic receptor
fight or flight – stressfull or energetic activity
sympthetic
rest and digest – maintenance activity
parasympathetic
controls voluntary movements by activating skeletal muscles
somatic nervous system
controls involuntary responses by influencing organs, glands, and smooth muscle
autonomic nervous system
function of ANS
achieve homeostasis
effects of parasympathetic
constricts pupils
stimulates salvation
slows heart rate & contractility
constricts bronchioles
stimulates digestion
stimulates gallbladder function
controls bladder
stimulates erection/vaginal lubrication
effects of sympathetic
dilates pupils
inhibits salvation
accelerates heart rate
dilates bronchioles
inhibits digestion
stimulates release of glucose
secretes epinephrine and norepinephrine
relaxes bladder
stimulates ejaculation/orgasm
sympathetic nervous system neurotransmitter
norepinephrine
parasympathetic nervous system neurotransmitters
acetylcholine
what meds cause sympathetic nervous system responses
sympathomimetics
adrenergics
anticholinergics
parasympatholytics
what meds cause parasympathetic effects
parasympathomimetics
muscarinics
cholinergics
adrenergic antagonist
sympatholytics
types of cholinergic receptors
nicotinic, muscarinic
bethanechol (urecholine) ther. class, pharm class, and pregnancy class
ther class- non obstructive urinary retention drug
pharm class- muscarinic cholinergic receptor
pregnancy class= C
bethanechol (urecholine) action and uses
direct acting parasympathomimetic that interacts with muscarinic receptors to cause actions of parasympathetic effects. effects are mostly noted in urinary and Gi tract where it stimulates smooth muscle contraction.
uses: urinary retention, myasthenia gravis, alzheimer’s, glaucoma
bethanechol (urecholine) adverse effects, admin concerns and contraindications
adverse effects- profuse salivation, sweating, increased muscle tone, urinary frequency, bradycardia
admin concerns- never admin IM or IV, monitor vitals
contraindications- asthma, epilepsy, parkinsonian, hyperthyroidism, peptic ulcer disease, bradycardia
treatment of OD for bethanechol (urecholine)
atropine sulfate
what are cholinergic blocking drugs
drugs that inhibit parasympathetic nervous system
physostigmine (antilirium) ther. class, pharm class, and pregnancy class
ther class- antidote for anticholinergic toxicity
pharm class- acetylcholinesterase inhibitor
pregnancy class- C