Digestive System

Digestive System - Guided Reading The Digestive System I...

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Guided Reading - The Digestive System I 1. "Traveler's diarrhea" results when A. enterogastrone secretion is inhibited. B. gastrointestinal motility is stimulated by increased parasympathetic outflow. C. guanylin receptors in the ileum and colon are stimulated by enterotoxins. D. cholecystokinin secretion is inhibited. 2. The first of the three phases of extrinsic control of gastric function is the gastric phase. True False 3. Which of the following is NOT a function of the stomach? 4. Which of the following processes is NOT a liver function? 5. The combination of chewed food and saliva is called 6. Which tunic of the GI tract is very vascular and has many nerves and glands? A. mucosa B. submucosa C. muscularis D. serosa 7. The intrinsic regulation of the GI tract is conferred by the autonomic nervous system. True False 8. __________ is a condition in which large number of liver lobules are destroyed and replaced by permanent, scar-like connective tissue.
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9. The conjugation of nonpolar compounds in the liver makes them _____ and water _____. 10. Wavelike muscular contraction of the gastrointestinal tract is called 11. What is the function of enterokinase secreted by the brush border? A. activates the protein-digesting enzyme trypsin B. breaks down dipeptides C. causes the stomach to produce gastrin D. causes release of pancreatic digestive enzymes 12. What allows the intestinal microbiota to live in the large intestine? 13. Normal levels of intestinal microbiota help protect us from pathogenic bacteria. True False 14. Active transport of Na + into intestinal cells allows the osmosis of water. True False 15. Mutating the gene encoding for the H + /K + ATPase would block gastric HCl secretion. True False 16. Excess use of antibiotics can kill the normal intestinal microflora, increasing inflammation by pathogenic bacteria. True False 17. Somatostatin is produced in the stomach by
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