Which Statement About the Colon Is Incorrect

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.