Intracellular Ca2+ is elevated if norepinephrine binds to a(n) _____________ receptor.
A) alpha-1 adrenergic
B) alpha-2 adrenergic
C) beta-1 adrenergic
D) beta-2 adrenergic
Correct Answer:
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Q71: Fibers that secrete acetylcholine are called cholinergic
Q72: Fibers that secrete norepinephrine are called adrenergic
Q73: The neurotransmitter released at terminal ganglia is
A)acetylcholine.
B)dopamine.
C)epinephrine.
D)norepinephrine.
Q74: _ selectively stimulates a2 receptors in brain
Q75: Beta-adrenergic receptors stimulate the production of cAMP.
Q77: Phenylephrine functions as a _ because it
Q78: "Synapses en passant" refers to the fact
Q79: Which of the following is a catecholamine?
A)norepinephrine
B)acetylcholine
C)nitric
Q80: Epinephrine is a
A)sympathetic neurotransmitter.
B)parasympathetic neurotransmitter.
C)sympathomimetic hormone.
D)All apply.
Q81: Blood flow to skeletal muscle would be
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