Gastroenterology MCQ 28

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Intestinal Lipid MetabolismThe most obvious function of the GI tract is digestion and absorption of food for continued growth and survival of the organism. Which of the following statement(s) is/are true concerning small bowel absorption?

    1. The jejunum is the site of maximum absorption for most ingested materials with almost all jejunal absorption performed via active transfer mechanisms

    2. Eighty percent of water presented to the gastrointestinal system is reabsorbed by the small bowel

    3. The absorption of carbohydrates requires digestion of large starch molecules by salivary and pancreatic amylase, therefore presenting smaller oligosaccharides to the brush border of the jejunum to complete the digestion and absorptive process

    4. Dietary fiber represents poorly digestible carbohydrates which can absorb organic materials such as bile salts and lipids
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Category: Gastroenterology MCQs



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