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12 Cards in this Set
- Front
- Back
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What are ACH- releasing fibers called?
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cholinergic fibers
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What are Norephinephrine fibers called?
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adrenergic fibers
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sympathetic postganglion fibers secrete what neurotransmitter?
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ACH
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what two receptors do cholinergic fibers have?
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nicotinic receptors
muscarinic receptors |
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what are the two classes of receptors do adrenergic fibers have?
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alpha
beta |
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what cholinergic receptor responds to nicotine?
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nicotinic receptors
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an example mushroom poison muscarine, activates a different set of what ACh receptors of the cholinergic?
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muscarinic receptor
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what three places can nicotinic receptors be found at?
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sarcolemma of skeletal muscles
ganglionic neurons (parasympathetic and sympathetic) hormone production of adrenal medulla. |
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Binding of cholinergic receptor ACH to cardiac muscle, does it speed up or slow down heart activity?
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slows down
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Binding of cholinergic of AcH to receptors on smooth muscle of the gastrointestinal tract, decrease or increase motility?
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increase motility
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binding of NE to the B1 receptors of cardiac muscle, does it speed up heart rate or slow it down?
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speed up
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does ephinephrine binding to B2 receptors in bronchiole smooth muscles causes it to tense or relax?
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relax
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