Preganglionic neurons of the sympathetic system release the neurotransmitter _______ and are referred to as cholinergic.
A) acetylcholine
B) norepinephrine
C) epinephrine
D) dopamine
Correct Answer:
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Q19: The _ system prepares the body for
Q20: The _ of each nerve supplies the
Q21: About 75% of all parasympathetic fibers are
Q22: The main branch of the sacral plexus
Q23: There are _ pairs of cervical spinal
Q25: Postganglionic neurons of the sympathetic system release
Q26: The peripheral nervous system consists of _.
A)
Q27: Neurons from the _ region innervate the
Q28: Both preganglionic and postganglionic fibers of the
Q29: The _ branch innervates the anterior and
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