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A Condition Called Megacolon, Which Results from Excess Dilation of the Colon

Question 166

Multiple Choice

A condition called megacolon, which results from excess dilation of the colon proximal to a region of functional obstruction, would most likely be caused by


A) a great increase in parasympathetic activity in the local region.
B) a great increase in the level of sympathetic activity in the region.
C) too much activity in the sympathetic chain ganglia.
D) reduction of parasympathetic innervation in the region.
E) None of the answers are correct.

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