Chapter 15

  1. Food undergoes which of the following types of processing in the body?

    A) Digestion
    B) Absorption
    C) Metabolism
    D) all the above
    D) all the above
  2. Which of the following processes does not occur in the digestive system exclusively?

    A) Digestion
    B) Absorption
    C) Metabolism
    D) all of the above occur in the digestive system exclusively
    C Metabolism
  3. Which of the following is a main organ of the digestive system?

    A) Liver
    B) Stomach
    C) pancreas
    C) both B and C above
    B. the stomach
  4. The layer of the digestive tract that generates peristalsis is the:

    A) serosa
    B) Muscularis
    C) Submucosa
    D) Mucosa
    B Muscularis
  5. The outermost layer of the digestive tract is;

    A) Serosa
    B) Muscularis
    C) Submucosa
    D) Mucosa
    A serosa
  6. The layer of the digestive tract that contains blood vessels, nerves, and connective tissues is the:

    A) Sersoa
    B) Muscularis
    C) Submucosa
    D) Mucosa
    C submucosa
  7. Whiuch structure prevents food and liquid from entering the nasal cavities above the mouth?

    A) Soft Palate
    B) Frenulum
    C) Vallate Papillae
    D) both A and B above
    A. Soft palate
  8. Enamel is found in the:

    A) root of the tooth
    B) crown of the tooth
    C) Neck of the tooth
    D) all of the above
    B crown of the tooth
  9. The largest of the salivary gland is the:




    C) parotid gland
  10. From which salivary gland do the ducts that open on either side of the frenulum cover?

    A) Sublingual gland
    B) Submaxilary gland
    C) Submandibular gland
    D) none of the above
    C submandibular
  11. The part of the stomach to the left of and above the opening of the esophagus into the stomach is the:

    A) pylorus
    B) Fundus
    C) body
    D) rugae
    B Fundus
  12. The part of the stomach that joins with the small intestine is the:

    A) Pylorus
    B) Fundus
    C) Body
    D) Ragae
    A Pylorus
  13. Which of the followig structures does not help to increase the absorptive surface area of the small intestine?

    A) Villi
    B) pilcae
    C) lacteal
    D) microvilli
    C lacteal
  14. In which part of the small intestine does most of the chemical digestion occur?




    C) duodenum
  15. The function of bile is to:




    D) B&C emulsify fat and remove cholesterol from the body
  16. Enzymes are important in:




    C) chemical Digestion
  17. Amylase is made in the:




    D) A&C0 (salivary gland and Pancreas)
  18. The end product in amylase digestion is:




    B) maltose
  19. The most abundant end product of carbohydrate digestion is:




    A) glucose
  20. Maltase and Sucase are made in the:




    A) small intestine
  21. Protein digestion begins in the:




    B) stomach
  22. Protien digestion:




    D) all of the above
  23. Fat digestion begins in the:




    C) small intestine
  24. Bile:




    D) all of the above
  25. Lipase:




    A) is made in the pancreas
  26. The movement of digested food from the digestive system to the circulating fluid is called:




    A) absorption
  27. Which of the following process is not considered an example of mechanical digestion?




    B) amylase acting on food in the mouth
  28. Which of the following substances is absorbed by the large intestine?




    D) all of the above
  29. The length of the gastrointestinal tract in an adult is about:




    B) 29 ft
  30. Which of the following is not true of the gastrointestinal tract?




    A) it is about 9 ft long in adults
  31. The ducts that carry secretion from the pancreas empty into which part of the digestive tract?




    D) duedenum
  32. Causes the emulsification of fat
    Bile
  33. Enzyme that reduces complex carbohydrate to maltose
    amylase
  34. This and fatty acids are the end products of fat digestion
    glycerol
  35. Enzyme that converts maltose to simple sugars
    Maltase
  36. Enzyme that is responsible for the chemical digestion of fats
    Lipase
  37. Movement of digested food from the digestive system to the blood or the lymph
    absorption
  38. End product of carbohydrate digestion
    monosaccharides
  39. Physical and chemical changes in food that prepares it for movement intpo the blood or lymph
    Digestion
  40. Another word for swallowing
    Deglutition
  41. Enzyme that digest cane sugars
    Sucarse
  42. Another word for chewing
    mastication
  43. Protein-digesting enzyme in pancreatic juice
    trypsin
  44. Enzyme that digest milk sugars
    lactase
Author
Anonymous
ID
19594
Card Set
Chapter 15
Description
The digestive system
Updated