NUTR 251 NUTR251 Quiz 3 Answers - PSU

NUTR 251 NUTR251 Quiz 3 Answers - PSU

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NUTR 251 Quiz 3 (Penn State University)

  1. In what organ does the digestion process begin?
  2. What structure controls the passage of material from the small intestine to the large intestine?
  3. After swallowing, in what order does food pass through the regions of the GI tract?
  4. What structure controls the release of material from the stomach to the small intestine?
  5. Among the GI tract organs, which has the strongest muscles?
  6. What is reflux?
  7. What is the function of mucus in the stomach?
  8. What is the fate of any enzymes that are present in the foods we eat?
  9. The process by which bile acts on fat so enzymes can attack the fat is known as
  10. The purpose of bicarbonate in the digestive process is to
  11. Which of the following classes of nutrients requires the least amount of digestion?
  12. Which of the following is generally NOT digested but does stimulate intestinal muscle contractions?
  13. Which of the following is a function of the intestinal microvilli?
  14. Which of the following is NOT a mechanism of absorption of nutrients by intestinal cells?
  15. When nutrients are transported from intestinal epithelial cells to the vascular system, what organ is first to receive them?
  16. Which of the following products of digestion is NOT normally released directly into the bloodstream?
  17. What is the first major organ to receive nutrients that are absorbed into the lymph?
  18. Which of the following nutrients requires the greatest time for digestion?
  19. What is the name given to partially digested food in the stomach?
  20. What types of enzymes are responsible for hydrolyzing the proteins in foods?

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