The neurotransmitter released at terminal ganglia is
A) acetylcholine.
B) dopamine.
C) epinephrine.
D) norepinephrine.
Correct Answer:
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Q68: Alpha2-adrenergic receptors on presynaptic axon terminals,when stimulated,cause
A)increased
Q69: The second messenger mediating the effects of
Q70: Blocking 2-adrenergic receptors prevents airway
A)constriction.
B)dilation.
Q71: Fibers that secrete acetylcholine are called cholinergic
Q72: Fibers that secrete norepinephrine are called adrenergic
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Q75: Beta-adrenergic receptors stimulate the production of cAMP.
Q76: Intracellular Ca2+ is elevated if norepinephrine binds
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Q78: "Synapses en passant" refers to the fact
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