Review Questions 11

  1. What organs form the gastrointestinal tract?
  2. Trace the jejunum, cecum, colon, duodenum, and ileum.
  3. If you inserted 9 inches of an enema tube through the anus, the tip of the tube would probably be in what structure?
  4. What is the peritoneum? Name the two layers and describe their locations. Name four double-layered peritoneal structures.
  5. Differentiate between deciduous and permanent teeth with respect to kinds and numbers.
  6. What is peristalsis? Name some structures in which it occurs.
  7. Name two purpose of the acid in gastric juice.
  8. Name the principal digestive enzymes. Where is each formed? What does each do?
  9. Where does absorption occur, and what structures are needed for absorption?
  10. What types of digested materials are absorbed into the blood?
  11. What types of digested materials are absorbed into the lymph?
  12. Name the accessory organs of digestion and the functions of each.
  13. Name five non-digestive functions of the liver.
  1. Which digestive juice emulsifies fats?
  2. What juices digest carbohydrates? Proteins? Fats?
  3. Where are simple sugars and amino acids absorbed into blood capillaries? Where are lipids absorbed into lacteals?
  4. Where is most of the water absorbed from the lumen of the digestive tract?