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Cards In This Set
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Enzyme responsible for the immediate breakdown of acetylcholine when released from the nerve ending; prevents overstimulation of cholinergic receptor sites
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Acetylcholinesterase
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Receptor sites on effectors that respond to norepinephrine
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Adrenergic receptors
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Adrenergic receptors that are found in the smooth muscles
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Alpha-receptors
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Portion of the central and periphernal NS that,with the endocrine system, functions to maintain homeostasis
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Autonomic nervous system *ANS
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Adregenic receptors that are found in the heart, lungs, and vascular smooth muscle
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Beta receptors
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Receptor sites on effectors that respond to acetylcholine
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Cholinergic receptors
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Groups of closely packed nerve cell bodies
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Ganglia (ganglion)
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Enzyme that breaks down epinephrine to make it inactive
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Monoamine oxidase( MAO)
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Cholinergic receptors that also respond to stimulation by muscarine
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Muscarinic receptors
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Cholinergic receptors that also respond to stimulation by nicotine
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Nicotinic receptors
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"rest-and-digest" response mediator that contains CNS cells from the cranium or sacral area of the spinal cord, long preganglionic axons, ganglia near or within the effector tissue, and short postganglionic axons that reach with cholinergic receptors
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Parasympathic nervous system
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"fight or flight" response mediator; composed of CNS cells from the thoracic or lumbar areas, short preganglionic axons, ganglia near the spinal cord, and long postganglionic axons that react with adrenergic receptors
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Sympathic nervous system
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Neurotransmitter used by preganglionic cells is
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Acetylcholine
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Neurotransmitter used by postganglionic cells is
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Norepinephrine
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A drug that stimulates the adrenergic receptors of the sympathetic nervous system, either directly(by reacting with the receptor sites) or indirectly (by increasing norepinephrine levels)
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Adrenergic agonist
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