Digestive

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Author:
Floe
ID:
144723
Filename:
Digestive
Updated:
2012-04-02 19:47:27
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part
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Description:
Practical test #2
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  1. What are the 3 parts of the small intestine?
    • Duodenum
    • Jejunum
    • Ileum
  2. The mesentary surrounds what and what is it composed of ?
    The lymph tissue that surrounds the digestive organs and is composed lymph and capillaries
  3. This valve starts at the large intestine and ends at the small intestine
    Ileo-cecal valve
  4. What are the folds on the small intestine called?
    Plicae circularis
  5. what are the 3 layers of the small intestine called?
    • Submucosa
    • Muscle layer
    • serosa
  6. What are on the extensions of the membrane of the SI?
    Microvilli
  7. Each Villus is formed by a layer of _____ epithelium ?
    Simple columnar
  8. What is the function of the micro villi?
    Increase absorption area
  9. Where does protein breakdown begin?
    Stomach
  10. Payers Patches in small intestine?
    Has immunological function with B cells and T cells
  11. What is on the surface area epithelial cells of the small intestine?
    Microvilli
  12. Are mostly absorbtive with enzymes in membranes, It completes digestion of some proteins and sugars
    Microvilli
  13. The fingers or projections in the SI are called what ?
    Villi
  14. Small intestine:
    The name for the space between villi.
    Interstitial crypts
  15. Mostly absorption of water, NO VILLI. Absorption of bacterial vitamins (K and some B). Storage of feces. Lots of goblet cells
    Large intestine
  16. There are mostly _____ cells in the Large intestine to compensate for water absorption.
    Goblet cells
  17. The _____ is lymph tissue that is located right after the cecum in the large intestine . Has no known digestive function.
    Appendix
  18. Has 3 bands that go across the whole Large intestine and scrunches it up.
    Teniae Coli
  19. The pouches or sacs on the LI is called ?
    Haustra
  20. Voluntary or involuntary:
    External anal sphincter
    Voluntary
  21. Voluntary or involuntary:
    Internal anal sphincter
    Involunrary
  22. Where is bile made?
    Liver
  23. Where is the main duct of the pancreas?
    Duodenum
  24. What two ducts come together to form a common bile duct in the pancreas?
    • Cystic duct
    • Hepatic duct
  25. Where does the cystic duct come from in the pancreas?
    Gall bladder
  26. Pancreas:
    What does the sphincter of oddi or the ampulla of vater control
    controls the about of bile released
  27. What is the pancreas connect to ?
    Duodenum
  28. What does bile do to fat?
    Breaks it down into smaller parts - imulsifies it.
  29. Pancreas
    Endocrine or exocrine:
    Duct cells
    exocrine
  30. Pancreas
    Endocrine or exocrine:
    Acinar cells
    exocrine
  31. Pancreas
    Endocrine or exocrine:
    Islets of langerhans
    Endocrine
  32. Pancreas:
    These cells make pancreatic enzymes
    Acini
  33. The sphincter between the duodenum and the pancreas
    Hepatopancreatic sphincter
  34. The main duct of the pancreas is called ?
    Main pancreatic duct
  35. Pancreatic juice comes from _____ and _____ regions.
    • exocrine
    • endocrine
  36. Pancreas:
    _____ Synthesizes digestive enzymes and are arranged like grapes that connects to ducts.
    Acini
  37. Pancreas exocrine gland:
    Synthesizes bicarbonate solution; alkaline neutralizes chyme so enzymes may fuction at proper pH
    Duct cells epithelium
  38. The Islets of langerhans in the pancreas has what 3 types of cells?
    • Alpha
    • Beta
    • Delta
  39. The alpha cells endocrine system of the the islets of langerhans produce what?
    Glucagon
  40. The Beta cells in the endocrine system of the the islets of langerhans produce what?
    Insulin
  41. The Delta cells in the endocrine system of the the islets of langerhans produce what?
    Somatostatin
  42. What causes glycogen to break down into glucose?
    Glucagon
  43. Pancreas:
    _____ cells produce _____ that decreases gastric juice production
    • Delta cells
    • Somatostatin
  44. Hormone regulation in the Pancreas:
    Cholecystokinin (CCK)
    What does it do?
    Where does it come from?
    What type of secretions?
    • Increases digestion
    • Duodenum
    • Exocrine
  45. Hormone regulation in the Pancreas:
    Secretin
    What does it do?
    Where does it come from?
    What type of secretions?
    • Increases bicarbonate to neutrolize acid
    • duodenum
    • exocrine
  46. _____ in stomach causes increase in acid production/movementin in stomach
    Gastrin

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