When trying to explain to a newly diagnosed irritable bowel syndrome (IBS) client how the nervous system affects gastrointestinal (GI) disorders, the nurse mentions which of the following in regard to IBS?
A) Increase in smooth muscle tone
B) Enhancement of sphincter function
C) Decrease in gastrointestinal motility
D) Increase in enteric nervous system activity
Ans: D
Feedback:
Stimulation of the parasympathetic nervous system causes a general increase in activity of the entire enteric nervous system. Sympathetic stimulation inhibits activity, causing many effects opposite to those of the parasympathetic system, including enhancement of sphincter function, decreased motility, and increased smooth muscle tone.
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