Curare is a competitive Ach antagonist at _____________ Ach receptors.
A) muscarinic
B) NMDA
C) kainate
D) nicotinic
Correct Answer:
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Q83: Monoamine NTs are degraded by
A)acetylcholinesterase.
B)monoamine oxidase.
C)catechol-O-methyltransferase.
D)adenylate cyclase.
Q84: Epinephrine degradation by the postsynaptic cells is
Q87: In a ligand-gated channel, the NT receptor
Q92: The nicotinic Ach receptor is a ligand-gated
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Q123: Catecholamines activate postsynaptic cells by
A)inhibition of adenylate
Q125: Norepinephrine binding to a receptor stimulates the
Q129: Cholinergic fibers use _ as the neurotransmitter.
A)norepinephrine
B)acetylcholine
C)dopamine
D)serotonin
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