The sympathetic nervous system
A) releases NE from most of its preganglionic neurons
B) has some postganglionic fibers that release acetylcholine
C) has preganglionic neurons that originate in the thoracic and lumbar regions of the spinal cord
D) has characteristics a and b
E) has characteristics b and c
Correct Answer:
Verified
Q13: Sympathetic stimulation _ heart rate and _
Q14: Parasympathetic postganglionic fibers
A)arise from the ganglion chain
Q15: The motor end plate
A)contains receptor sites that
Q16: Parasympathetic stimulation _ heart rate and _
Q17: The autonomic nervous system is
A)part of the
Q19: The sympathetic nervous system causes
A)blood vessels with
Q20: The neurotransmitter at a neuromuscular junction is
A)acetylcholine
B)the
Q21: An EPP
A)occurs because of Na+ diffusing into
Q22: Identify the true statement(s):
A)NE causes most blood
Q23: Select the CNS structure(s) that can influence
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