PTG 105 - Exam 3 -Lecture 15-1

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  1. How many layers of tissue in walls of GI?
    4 layers
  2. What are the 4 layers of the GI?
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    • mucosa
    • submucosa
    • muscularis externa
    • serosa
  3. Which layer of the GI creates a continuous lining from mouth to anus?
  4. Describe the mucosa (3 things):
    • 1.) inner most layer
    • 2.) from mouth to anus
    • 3.) large intestine = produces mucous
  5. What is the name of the inner most GI layer?
  6. What is the name of the GI layer that secretes mucous in the Large Intestine?
  7. What four characteristics describe the Submucosa of the GI?
    • 1.) Contains blood vessels
    • 2.) Contains Lymph vessels
    • 3.) Contains nerves
    • 4.) Contains mucous producing glands
  8. Which GI layer contains mucous producing glands?
  9. Which GI layer contains nervous tissue?
  10. Which GI layer contains blood vessels?
  11. Which GI layer contains Lymph vessels?
  12. What two characteristics does the Muscularis Externa of the GI have?
    • 1.) Smooth muscle that runs lengthwise
    • 2.) Smooth musle that encircles the tube
  13. Which GI layer consists of two layers of muscle (one that runs lengthwise and one that encirles)?
    Muscularis Externa
  14. Which layer of the GI produces fluid to lubricate the external surface so that it may slide by neighboring organs?
  15. The Serosa has what major characteristic?
    It is a fluid producing membrane taht reduces friction with other organs.
  16. Name all of the organs involved in GI function:
    • Salivary Glands
    • Liver
    • Pancreas
    • Gall Bladder
    • Mouth
    • Pharynx
    • Esophagus
    • Stomach
    • Small Intestine
    • Large Intestine
    • Rectum
    • Anus
  17. Name the accesory organs of the GI:
    • Salivary Glands
    • Liver
    • Gall Bladder
    • Pancreas
  18. Name the organs of the Ailementary Canal:
    • Mouth
    • Pharynx
    • Esophagus
    • Stomach
    • Small Intestine
    • Large Intestine
    • Rectum
    • Anus
  19. Under histological inspection you see:
    Deep gastric pits
    Numerous mucus secreting glands

    What organ are you looking at?
    The Stomach
  20. What characteristics would you expect to see under histological inspection of the Stomach?
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    • Deep gastric pits and numerous mucus secreting glands
  21. Under histological inspection, you observe domes, villa, lymph follicles and simple columnar cells with microvilli.
    What organ are you visualizing?
    The Small Intestine
  22. What histological charcteristics would you expect to see when visualizing the Small Intestine?
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    • Domes
    • villi
    • Lymph Follicles
    • simple columnar cells with microvilli
  23. Payers patch is found in what organ?
    The Small Intestine
  24. Payer's patch is composed of:
    • Domes
    • Villi
    • Lymph FolliclesImage Upload
  25. Define Dysphagia:
    Difficulty Swallowing
  26. What are the 5 types of altered motility? 
    • Dysphagia
    • Diarrhea
    • Vomiting
    • Obstruction
    • Constipation
  27. What are the four describing factors of GI pain?
    • Site
    • Character
    • Type of onset
    • Radiation
  28. What is Hematemesis
    Bleeding in the upper GI tract
  29. What is the term for bleeding of the upper GI tract?
  30. What is the term for "Black tarry stools"?
  31. What is Melena?
    Black Tarry Stools
  32. What is the term for Bright red blood in the stool due to massive GI bleeding?
  33. What is Hematochezia?
    Blood in the stool due to massive GI bleeding
  34. What is  occult bleeding?
    Mild bleeding and anemia
  35. Mild bleeding and anemia is called?
    Occult bleeding
  36. What characteristic about Barium makes it useful for visualizing the GI?
    It is radiopaque
  37. Radiologica studies allow the viualization of what charcter of the GI?
    The outline of the tract
  38. You can viualize the outline of the GI tract by what testing technique?
  39. What are the six ways to test and investigate the GI?
    • Radiological
    • Endoscopic
    • Biopsy
    • Gastric fluid analysis
    • Stool inspection
    • Stool culture
  40. Hiatal Hernia occurs in what organ?
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    • Esophogous
  41. Hiatal Hernia occurs in what percentage of adults?
  42. Describe Hiatal Hernia
    • Stomach protrudes above the diaphram due to the looseing of the diaphragmatic sphincter
    • Incompetant LES (lower esophogeal sphincter)
  43. What symptoms would a person have with Hiatal Hernia?
    reflux esophagitis
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PTG 105 - Exam 3 -Lecture 15-1
2013-04-05 21:11:07
PTG 105 Exam Lecture 15

PTG 105 - Exam 3 -Lecture 15-1
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