Which of the following statements made by an older adult reflects the best understanding of the role of fiber regarding bowel patterns?
1. "The more fiber I eat, the fewer problems I have with my bowels."
2. "Whole grain cereal and toast for breakfast keeps my bowels moving regularly."
3. "My wife makes whole grain muffins; they are really good and good for me too."
4. "I use to have trouble with constipation until I started taking a fiber supplement."
ANS: 2
The bowel walls are stretched, creating peristalsis and initiating the defecation reflex. By stimu-lating peristalsis, bulk foods pass quickly through the intestines, keeping the stool soft. Ingestion of a high-fiber diet improves the likelihood of a normal elimination pattern if other factors are normal. The other options are not as specific about the role of fiber, or they fail to provide an example of a high-fiber food.
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