Ch.25-26

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Sunni7
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195102
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Ch.25-26
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2013-01-24 20:26:45
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Digestive System
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Anatomy & Physiology
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  1. The process of altering the chemical and physical composition of food so that it can be absorbed and used by the body cells is known as:
    Digestion
  2. The inner most layer of the GI wall is called the:
    mucosa layer
  3. The ____ consists of two maxillary bones and two palatine bones.
    hard palate
  4. The dorsal surface of the tongue is covered with rough elevated projections called:
    papillae
  5. All of the following are paris of salivary glands except the:
    parotids
    submandibulars
    sublinguals
    submucosa
    submucosa
  6. Early in life, 20 deciduous teeth appear. Later these are replaced by __ permanent teeth.
    32
  7. The _____ is a collapsible tube that extends from the pharynx to the stomach.
    esophagus
  8. The sphincter muscle that controls the opening of the esophagus into the stomach is the _____ sphincter.
    cardiac
  9. The epithelial lining of the stomach is thrown into folds, which are called:
    rugae
  10. Gastric glands contain two major secretory cells called _____ cells and _____ cells.
    cheif; parietal
  11. The uppermost division of the small intestine is the:
    Duodenum
  12. The intestinal lining has circular folds that contain many tiny projections called:
    villi
  13. The large intestine is divided into the:
    cecum, colon, and rectum.
  14. The structure that permits material to pass from the ileum into the large intestine is the:
    ileocecal valve
  15. A fan-shaped projection of the parietal peritoneum is called the:
    mesentery
  16. The largest gland in the body is the:
    LIVER
  17. The hepatic duct merges with the cystic duct from the gallbladder, forming the ____ duct.
    the common bile
  18. The main components of bile contain all of the following except:
    bile salts
    bile pigments
    vitamins
    cholesterol
    vitamins
  19. The function of the gallbladder is to:
    store bile
  20. The organ that is composed of both endocrine and exocrine tissue is the:
    pancreas
  21. Chemical digestion requires the secretion of ______ into the lumen of the GI tract.
    digestive enzymes and bile
  22. The process of deglutition includes all of the following except the _____ stage.
    the oral
    the pharyngeal
    the esophageal
    the laryngeal
    the laryngeal
  23. The wave-like ripple of the muscle layer of the GI tract is called:
    peristalsis
  24. Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called:
    gastric inhibitory peptide
  25. The chemical prcess in which a compound unites with water and then splits into simpler compounds is called:
    hydrolysis
  26. Because fats are insoluable in water, they must be:
    emulsified
  27. Saliva contains the enzyme:
    amylase
  28. Stimulation of gastric juice secretion occurs in all of the following phases except the ____ phase.
    cephalic
    digestive
    gastric
    intestinal
    digestive
  29. The ejection of bile from the gallbladder is controlled by whcih hormones?
    CCK and secretin
  30. The final stage in lipid transport by the intestines is the formation of:
    chylomicrons
  31. The act of expelling feces is called:
    defecation
  32. _____ is a general term referring to the inflammation of the liver.
    Hepatitis

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