Autonomic Nervous System Overview Flashcards
Heart Sympathetic Response
Increase rate of contraction (Chronotropic)
-Beta 1
Increase force of contraction (Inotropic)
-Beta 1
Heart Parasympathetic Response
Decrease rate of contraction
-M2
Decrease force of contraction
-M2
M2 thought of as the brake
Arteries Sympathetic Response
Vasoconstriction
Alpha 1
Veins sympathetic response
Vasoconstriction
Alpha 1; Alpha 2
Sympathetic Skeletal Muscle
Vasodilation
Beta 2
Parasympathetic Endothelium
Release EDRF
M3
Sympathetic Lung Response
Bronchodilation
Beta 2
Parasympathetic Lung response
Bronchoconstriction
M2, M3
Bladder Wall
Sympathetic = Relaxation beta 2
Parasympathetic = Contraction M3
Ureter
Sympathetic = Contraction, alpha 1
Parasympathetic = Relaxation, M3
Sphincter
Sympathetic = Contraction, alpha 1
Parasympathetic = Relaxation, M3
Uterus (Pregnant)
Sympathetic = Relaxation, beta 2
Contraction, alpha 1
Parasympathetic = Variable, M3
Penis/Vas deferens
Sympathetic = Ejaculation, alpha 1
Parasympathetic = Erection, M3
Salivary Glands
Sympathetic = Increase secretion, alpha 1
Parasympathetic = Increase secretion, M3
Smooth Muscle Walls
Sympathetic = Relaxation, alpha 2, beta 2
Parasympathetic = Contraction, M2, M3
Smooth Muscle Sphincters
Sympathetic = Contraction, alpha 1
Parasympathetic = Relaxation, M2, M3
Gastrointestinal Secretion
Sympathetic = Inhibit secretion, alpha 2
Parasympathetic = Increase secretion, M2, M3
Skin hair follicles
Sympathetic = contraction, alpha 1
Skin smooth Muscle
Sympathetic = Piloerection, alpha 1
Sweat glands: Thermoregulation
Sympathetic = Increase secretion, M3
Sweat glands: Apocrine (stress)
Sympathetic = Increase secretion, alpha 1
Iris: Radial Muscle
Sympathetic = Contraction, alpha 1
Iris: Circular Muscle
Parasympathetic = Contraction, M3
Ciliary Muscle
Sympathetic = Relaxation, beta 2
Parasympathetic = Contraction, M3
Ciliary Epithelium
Sympathetic = Increase secretion of aqueous humor, beta 2
Liver
Adrenergic Response = Glycogenolysis, gluconeogenesis, alpha 1, beta 2
Fat cells
Adrenergic response= Lipolysis, alpha 1, beta 1, 2, 3
Kidney
Adrenergic response= Increase renin secretion (increase BP), beta 1
Pancreas
Adrenergic response= Decrease insulin release, alpha 2