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Details

Autonomic Receptors
Method of Action and Locations
13
Health Care
Graduate
02/26/2013

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Cards

Term
What is the MOA for Alpha 1 receptors?
Definition
Activates phospholipase C which increases inositol triphosphates and Ca2+ levels
Term
What is the MOA for Alpha 2 receptors?
Definition
Inhibits Adenylyl cyclase to decrease cyclic AMP levels
Term
What is the MOA for Beta 1 receptors?
Definition
Stimulates adenylyl cyclase to increase cyclic AMP levels
Term
What is the MOA for Beta 2 receptors?
Definition
Stimulates adenylyl cyclase to increase cyclic AMP levels
Term
What is the MOA for Nicotinic receptors?
Definition
Opens Na and K channels
Term
What is the MOA for Muscarininc receptors?
Definition
Activates phospholipase C which increases inositol triphosphates and Ca2+ levels
Term
What tissues use Alpha 1 receptors
Definition
Radial muscle of the iris, vascular smooth muscle tissue, and GI tract.
Term
What tissues use Alpha 2 receptors
Definition
Ciliary body vasculature, Presynaptic neurons of the sympathetic system, GI tract wall
Term
What tissues use Beta 1 receptors
Definition
Non-pigmented ciliary epithelium, Heart, kidneys, salivary glands, adipose tissue
Term
What tissues use Beta 2 receptors
Definition
Non-pigmented ciliary epithelium, ciliary muscle (dominate in the eye), Bronchioles, GI tract, Bladder wall, Vascular smooth muscle,
Term
What tissues use Nicotinic receptors
Definition
Neuromuscular junction, sympathetic and parasympathetic ganglia
Term
What tissues use Muscarinic receptors?
Definition
Bronchioles, sphincter muscle of the iris, ciliary muscle, lacrimal gland
Term
What are the three parasympathetic effects?
Definition
1. SLUD, 2. Bronchoconstriction, miosis, accommodation, 3. Rest and Digest
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