The _____________ has both a1 and b1 receptors and responds to sympathoadrenal stimulation with glycogenolysis and secretion of glucose.
A) liver
B) pancreas
C) adrenal cortex
D) None of the choices are correct.
Correct Answer:
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Q47: Cocaine is a(an)_ drug,meaning that it promotes
Q52: Parasympathetic stimulation increases the rate of passage
Q62: Epinephrine is a
A)sympathetic neurotransmitter.
B)parasympathetic neurotransmitter.
C)sympathomimetic hormone.
D)All of
Q63: Alpha-1-adrenergic receptors are mediated by
A)cAMP.
B)Ca2+.
C)K+.
D)Na+.
Q65: Which of the following is a catecholamine?
A)norepinephrine
B)acetylcholine
C)nitric
Q66: Postganglionic _ nerves release acetylcholine.
A)sympathetic
B)parasympathetic
C)somatic
D)sensory
Q68: Alpha2-adrenergic receptors on presynaptic axon terminals,when stimulated,cause
A)increased
Q70: Blocking 2-adrenergic receptors prevents airway
A)constriction.
B)dilation.
Q73: The neurotransmitter released at terminal ganglia is
A)acetylcholine.
B)dopamine.
C)epinephrine.
D)norepinephrine.
Q78: "Synapses en passant" refers to the fact
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