MM3 Salmonellosis

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  1. Is salmonella short lived or long lived?
    usually short lived or self-limiting syptoms
  2. What are the common signs/symtoms?
    nausea, vomiting, diarrhea
  3. What is the etiological agent of salmonellosis?
    Salmonella enterica
  4. How is Salmonella divided?
    subdivided into 2400 serotypes/serovars
  5. What 3 things is the division of Salmonella based on?
    • Somatic (O)
    • Flagellar (H)
    • Capsular (K) antigens
  6. What are three other serotypes that are included?
    Typhimurium, Typhi, and Enteritidis
  7. What is it normal flora for?
    pultry and reptiles
  8. If humans have strains of Sal where is it?
    strains will be in gallbladder
  9. Where do organisms live?
    inside host cell phagosome
  10. What does inflammation cause?
    increased fluid secretion
  11. How does the serovar Typhi mutiply? Via? destroys?
    • in marcophages
    • via blood
    • destroys intestinal Peyer's patches
  12. Campylobacter jejuni is what kind of bacteria? How long to grow?
    • gram-negative rod
    • curved
    • 2 hours
  13. What kind of bacteria and thrives in what?
    • microaerophilic/capnopilic
    • thives in high CO2
  14. Campylobacter jejuni causes what?
    • usual GI symptoms
    • ulceration of mucosal surface of jejunum
    • most common cause of diarrhea
  15. The serotype that is associated with another disease?
    • O:19 associated with Guillain-Barre
    • neoro symptom
  16. Listeria monocytogenes is what kind of bacteria and causes what?
    • gram + rod
    • causes flu-like
    • gastroenteritis--> sepsis
  17. What else can Listeria monocytogenes cause?
  18. What food is Listeria monocytogenes seen in?
  19. What does the value 1 mean for intervals?
    • It should not cross 1 and is not significant
    • CI=2.4
  20. Rotavirus is the etiological agent for what?
    gastroenteritis in infants and children <5 y/o
  21. Norwalk virus is the etiological agent for what?
    older children and adults
  22. How many Hep viruses are there?
    6 known kinds
  23. What is the classical symtom caused by Hep?
    • jauncide: 6 other signs/symptoms
    • fatigue, fever, wt loss, R abd pain, dark urine, and clay colored feces  
  24. How are A&E Hep spread?
     through fecal-oral route
  25. How are B, C, and D spread?
    blood and semen
  26. Which is the only Hep with reverse transcriptase?
    Hep B
  27. Which Hep viruses actually causes Hepatitis?
    Hep B
  28. Pts with _ and _ Hep can be asymptomatic carriers. They may cause what?
    • B and C Hep virus
    • cirrhosis or liver cancer
  29. Giardia lamblia is what kind disease?
    How many nuclei?
    How many forms are there?
    • protozoan disease
    • 2 central nuclei
    • 2 forms
  30. What are the 2 forms for Giardia lamblia?
    • Trophozoite-fedding
    • Cyst- inactive; chitin
  31. Cyst form of Giardia lamblia attaches how?
    to the villi
  32. Cryptosporidium parvum is what kind of disease? structure? Seen in what kind of pts
    • protozoan disease
    • oocye with 4 banana-shaped sporozoites
    • Immunocompromised pts
  33. Cryptosporidium parvum attached how?
    to intestinal epithelium
  34. Cryptosporidium parvum resistant to what?
    chlorine and ozone
  35. Disease where pts can be asymtomatic carriers
    • Hep B and C
    • Cryptosporidium parvum
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MM3 Salmonellosis
MM3 Salmonellosis
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