Which of the following statements concerning the parasympathetic division of the autonomic nervous system is false?
A) Preganglionic neurons are located in the brain stem and sacral region of the spinal cord.
B) Ganglionic neurons are located in ganglia within or near to effectors.
C) Preganglionic fibers are relatively short and postganglionic fibers are relatively long.
D) The actions of the parasympathetic division are more localized than those of the sympathetic division.
E) The ganglionic neurons always release acetylcholine.
C
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A) Body B) Fundus C) Pylorus D) Cardiac region
What is the lower esophageal sphincter called?
a. pharyngoesophageal sphincter b. gastric sphincter c. oropharyngeal sphincter d. gastroesophageal sphincter e. peristaltic sphincter
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Indicate whether the statement is true or false
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Fill in the blank(s) with the appropriate word(s).