A nurse is teaching a newly licensed nurse about the function of the large intestine. Which of the following information should the nurse include?
Explanation & Rationale
A. It produces vitamin D: The large intestine does not play a role in vitamin D production. Vitamin D is synthesized in the skin with sunlight exposure and processed by the liver and kidneys, not the colon. B. It absorbs liquid to form stool: The large intestine absorbs water and electrolytes from indigestible food matter. This process compacts the waste into stool for eventual elimination, which is its primary function. C. It secretes enzymes to digest food: Enzyme secretion for digestion occurs mainly in the stomach and small intestine. The large intestine’s role is absorption and bacterial fermentation, not enzyme-driven digestion. D. It prevents the reflux of food into the esophagus: Prevention of reflux is the function of the lower esophageal sphincter, not the large intestine. The colon is much lower in the gastrointestinal tract and unrelated to this function.