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Nervous system medic

QuestionAnswer
Atropine is a competitive antagonist of muscarinic receptors
what is an anticholinergic blocks acetylcholine in the central and peripheral nervous system
muscarinic receptors belong to which NS? parasympathetic nervous system
Atropine decreases the tone of which NS and allows which one to predominate? decreases parasympathetic and allows sympathetic to predominate
Mechanism of Epinephrine Binds and activates adrenergic receptors of the sympathetic nervous system
Epinephrine Side effects jitteriness/anxiety, increased heart oxygen requirement, vessel constriction
When is Epinephrine used? cardiac arrest, severe asthma, local anesthetics
What is epinephrine hormone and neurotransmitter
What nervous system uses mostly norepinephrine and epinephrine as neurotransmitters sympathetic
Alpha1 adrenergic receptor (3) vein constriction, decreased GI activity, uterus contraction
Alpha2 adrenergic receptor inhibits CNS sympathetic outflow
Beta1 adrenergic receptor increases heart rate, heart contraction
Beta2 adrenergic receptor dilates bronchioles, release glucose from liver
When is the parasympathetic NS dominant? at rest
When is Atropine used? (3) slow heart rate, eye drops, dry secretion in mouth or lungs
What happens after an overdose of atropine? Anticholinergic toxidrome
Name some anticholinergic side effects blind, mat, hot, red, dry skin, incontinence, rapid heart rate
Mechanism of nikotin agonist of nicotinic receptors
What is acetylcholine neurotransmitter
where is acetylcholine used (3) pre-ganglionic nerves, post-ganglionic nerves, nerve muscle juntions
Created by: stropper
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