Function of the Large Intestine
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A nurse is teaching a newly licensed nurse about the function of the large intestine. Which of the following information should the nurse include? A) It prevents the reflux of food into the esophagus. B) It absorbs liquid to form stool. C) It secretes enzymes to digest food. D) It produces vitamin D.
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Hello! Let's explore the primary functions of the large intestine to help this nurse provide accurate teaching.
Human Digestive System Functions
First, let's look at the options one by one and rule out the ones that belong to other parts of the digestive system.
1. It prevents the reflux of food into the esophagus.
2. It absorbs liquid to form stool.
3. It secretes enzymes to digest food.
4. It produces vitamin D.
The first option mentions preventing reflux into the esophagus. This is actually the job of the lower esophageal sphincter, located at the junction of the esophagus and stomach, not the large intestine. So we can rule this out.
Option three says it secretes enzymes to digest food. While some digestion happens in the mouth and stomach, the majority of enzyme secretion and nutrient digestion occurs in the small intestine. The large intestine does not secrete digestive enzymes.
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