PTG 105-Exam 3 -Lecture 15 - 5

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  1. Thrombosis, cardiac failure, shock and vasoconstrictive drugs can cause what disease?
    Ischemic bowel disease
  2. What ways can ischemic bowel disease develop rapidly?
  3. What can cause a slow onset of Ischemic heart disease?
    • Cardiac failure
    • Shock
    • Vasoconstrictive drugs
  4. Which causes of Ischemic bowel disease involve the entire wall of the bowel?
    Those caused by Thrombosis
  5. Thrombosis can affect what part of the bowel wall in Ischemic bowel disease?
    The entire wall
  6. Cardiac failure, shock and vasoconstricitve drugs can affect what part of the bowel wall in Ischemic heart disease?
    • The mucosa and submucosa only
    • An ischemic bowel that had a slow onset and only effects the mucosa and submucosa is likely caused by what?
    • Cardiac failure
    • Shock
    • Vasoconstricitve drugs
  7. An Ischemic bowel with a fast onset that involved the whole segment and causes necrosis is likely from what?
  8. What is transmural infarction?
    The whole segment of the bowel dies
  9. What is it called when an entire section of the bowel dies?
    Transmural infarction
  10. Bowel Ischemis is common in what age group?
  11. What complications can occur due to Ischemic bowel disease?
    • Necrosis of bowel tissue
    • Perforation (can be fatal)
  12. What complication of Ischemic bowel disease can be fatal?
  13. What are Hemorrhoids?
    Abnormal dilation of anal venous plexus
  14. What is the name for abnormal dilation of anal venous plexus?
  15. What ways do Hemorrhoids present themselves?
    • Chronic constipation
    • Bleeding
  16. What other disease puts people at risk for Hemorroids?
    • Portal hypertension
    • Cirrhosis of the liver
  17. What types of microorganisms can cause food poisoning?
    • Bacteria
    • Viruses
    • Protozoa
  18. What type of bacteria commonly cause food poisoning (5)?
    • E. coli
    • Sallmonella
    • Campylobacter
    • Staphylococcus
    • Shigella
  19. What type of protozoa usually causes food poisoning?
  20. What re the three MOST common causes of food poisoning an infectious diarrhea?
    • Rotavirus
    • Calcivirus
    • E. coli (exotoxigenic strain)
  21. What strain type of E. coli is a main cause of infectious diarrhea?
  22. What is bacterial enterocolitis?
    Bacterial ability to adhere to and invade the mucosa of the GI (toxin also produced)
  23. What is the term for bacteria that can adhere to and invade the mucosa of the GI and produce a toxin?
    Bacterial enterocolitis
  24. What is dysentery?
    Blood stained stool
  25. What symptoms does food poisoning and infectious diarrhea have?
    • Mucosal inflammation
    • Diarrhea (varying in severity and duration)
    • Blood stained stool (dysentery)
  26. Mucosal inflammation in the GI, Diarrhea and blood stained stool are common symptoms of what disease?
    Infectious diarrhea or food poisoning
  27. What causes Traveler’s diarrhea?
    ETEC = toxin producing E.coli
  28. What bacteria causes pseudomembranous enterocolitis?
    Clostridium difficile
  29. Clostridium difficile causes what mucosal disease?
    Pseudomembranous enterocolitis
  30. Clostridium difficle indirectly or directly causes disease?
    Indirectly through a toxin
  31. What can cause an infection of clostridium difficle?
    Prolonged antibiotics that alter the GI flora
  32. Describe pseudomembranous enterocolitis:
    Membrane forms in GI made of mucus, fibrin and inflammatory cells
  33. What test is used to determine a C. diff infection?
  34. What does the Xpect test for C. diff specifically test for?
    C. diff toxin
  35. What are the three major areas of Malabsorption causes?
    • Reduced surface area of GI
    • Infection
    • Defective digestion
  36. Reduced surface are of the GI, defective digestion and Infection can all cause what disease?
  37. What are the three most common causes of malabsorption in the U.S.?
    • Celiac sprue
    • Pancreatic insufficiency
    • Crohn’s Disease
  38. What is a common cause of reduced surface are in the GI?
    • Celiac’s disease gluten sensitivity)
    • Crohn’s disease
  39. Describe the pathology of Celiac disease?
    • Mucosal degeneration
    • Atrophy
    • Inflammation
  40. What disease has the pathology of mucosal degeneration, atrophy and inflammation of the bowel?
    Celiac Disease
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PTG 105-Exam 3 -Lecture 15 - 5
2013-04-07 03:25:38
PTG 105 Exam Lecture 15

PTG 105-Exam 3 -Lecture 15 - 5
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