Release of ACh at parasympathetic effectors is always stimulatory.
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Q119: What do muscarine and nicotine have in
Q120: Nicotinic receptors utilize G-proteins to regulate the
Q121: _ is an acetylcholinesterase antagonist used to
Q122: What type of autonomic fibers release ACh
Q123: Catecholamines activate postsynaptic cells by
A)inhibition of adenylate
Q125: Norepinephrine binding to a receptor stimulates the
Q126: Which of the following is NOT true
Q127: Serotonin is synthesized from the amino acid
A)alanine.
B)glycine.
C)tryptophan.
D)serine.
Q128: What is NOT true of conduction through
Q129: Cholinergic fibers use _ as the neurotransmitter.
A)norepinephrine
B)acetylcholine
C)dopamine
D)serotonin
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