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NUR 545 Exam One With Complete Solution
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NUR 545 Exam One WithComplete Solution
Divisions of PNS - ANSWER somatic and autonomic
divisions of autonomic nervous system - ANSWER sympathetic and
parasympathetic
parasympathetic nervous system effects - ANSWER "rest and digest"
slows HR, increases gastric secretions, emptying of bladder and bowels,
constricts pupils, simulates saliva, constricts bronchi.
sympathetic nervous system effects - ANSWER " Flight or Fight"- acute stress
response.
increases HR, secretes adrenaline, dilates bronchi, dilates pupils, inhibits
saliva, converts glycogen to glucose.
Ultimately increases cardiac output and vasoconstriction resulting in
maintenance of blood flow to brain and other vital organs.
Neurotransmitter's of Autonomic Nervous System - ANSWER acetylcholine,
norepinephrine, epinephrine
Cholinergic receptor respond to... - ANSWER acetylcholine
Adrenergic receptors respond to... - ANSWER norepinephrine and
epinephrine
Subtypes of cholinergic receptors - ANSWER muscarinic, nicotnic-n,
nicotinic-m
, subtypes of adrenergic receptors - ANSWER Alpha1, Alpha2, Beta1, Beta2
Acetylcholine has parasympathetic or sympathetic affects? - ANSWER
parasympathetic
When acetylcholine binds to a muscarinic cholinergic receptor it causes
relaxation.
Muscarinic receptors cause... - ANSWER decreased HR, relaxed bladder and
increased urination, increased gastric secretion and motility causing
defecation, increased sweating, constriction of eye and vasodilation of blood
vessels, erection
NicotinicN Receptors cause... - ANSWER All automimic NS ganglia to
stimulate peripheral and sympathetic postganglionic nerves and release of
epinephrine from adrenal medulla
NicotinicM Receptors cause... - ANSWER contraction of skeletal muscle
Alpha1 receptors causes... - ANSWER stimulated by epinephrine
cause vasoconstriction of eyes, skin arterioles, veins, ejaculation and
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