Which Statement About the Colon Is Incorrect

question 64

Multiple Choice

Which statement about the colon is incorrect?

• A)Absorption of salt and water converts the colonic contents into fecal material.
• B)Colonic bacteria digest cellulose for their own growth and reproduction.
• C)Mass movements pack feces into the rectum and stimulate stretch receptors to cause contraction of both anal sphincters, which prevent defecation until an opportune time.
• D)No digestive enzymes are secreted by the colon.
• E)Haustral contractions are a type of mixing motility.

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