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Pharmacology

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Question:

What are functions of sympathetic and parasympathetic NS on organs?

Author: H K



Answer:

Eye (Sym: contract iris radial muscle dilate, Para: contract sphincter constrict and ciliary muscles accomodates near vision) Trachea and Bronchioles (Sym: Dilate, Para: Constricts and increase secretions) Adrenal Medulla (Sym: release epi and NE) Kidney (Sym: release renin - beta receptors increase, alpha decrease) Ureters (Sym: relaxes detursor, contract trigone and sphincter, Para: opposite) Genitalia (male [Sym: stimulate ejaculation, Para: stimulate erection)] Female (Sym: relax uterus) Lacrimal glands (Para; stimulate) Salivary gland (Sym: thick viscous secretion, Para: Watery) Heart (Sym: increase HR and contraction, Para; opposite) GI (Sym: decreased muscle motility and tone and contract sphincter, Para: opposite) Vessels (dilation symp in skeletal muscles and constrict smooth)


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H K
H K