Micro ch 11

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  1. Identify three nitrogen-fixing bacteria
    • Rhizobium
    • Bradyrhizobium
    • Azotobacter
  2. Organism that produces plant disease called crown gall
    Agrobacter tumfaciens
  3. Organism that causes whooping cough (pertussis)
    Bordetella pertussis
  4. Organism that causes conjuncitvitis (pinkeye).
    Moraxella lucunata
  5. Organism that causes Gonorrhea.
    Neisseria gonorrhaeae
  6. A gram negative aerobic rod that secretes a soluble blue-green pigment (pyocanin), and clinically often causes burns and urinary tract infections.
    Psuedomonas aeroginosa
  7. Disease caused by Helicobacter pylori.
    human peptic ulcers
  8. A spiral-shaped organisms that produce foodborne intestinal disease in humans
    Camphylobacter jejuni
  9. A spiral-shaped organism that causes Lyme disease.
    Borrelia burgodorferi
  10. What is meant by the term "enteric opportunist".
    intestinal infection in the allready ill or compromised
  11. How are gram negative enteric opportunists distinguished from one another?
    cultural morphology and metabolic products
  12. Identify 3 biological toxins produced by Staphylococcus aureus.
    enterotoxin, leukocyte, tissue necrosis toxin
  13. Gram possitive cocci, which usually grows in chains.
  14. Organism that causes 70% of all human pneumococcal pneumonia
    Type III
  15. Identify 3 types of hemolytic reactions that occur on blood agar plates.
    • beta
    • alpha
    • gamma
  16. Identify 2 genuses of Gram positive spore-forming rods.
    • Bacillus
    • Clostridia
  17. Identify the organism that produces
    Grangrene and food poisoning
    • Clostridium tetani
    • Clostridium botulism
    • Clostridium perfringens
  18. Establish the identity of Gram positive rod shaped bacteria used to produce yogurt, sauerkraut and buttermilk.
  19. What kind of symptoms results from infections with Listeria monocytogenes?
    • General flu-like symptoms for adults
    • Minenigitis in newborns
  20. Identify the non-spore forming gram positive rods that produces disease diptheriae.
    Corynebacterium diptheria
  21. Identify the Gram positive, acid fast bacteria that cause:
    • Mycobacterium leprae
    • Mycobacterium tuberculosis
  22. Identify the bacteria that are anaerobic and photosynthetic that oxidize H2S instead of H2O.
    purple and green sulfer bacteria
  23. Identify a group of bacteria which are photosynthetic, able to fix nitrogen and found in lakes and streams.
  24. Organism which causes typhoid fever.
  25. Identify the species of bacteria that causes shigellosis (bacillary dysntery)
  26. Identify the organism that cuases cholera.
    vibrio cholera
  27. Name a red-pigmented organism that is often implicated in nosocomial urinary and respiratory tract infections.
    Serratia marcesans
  28. Identify the organism which recquires blood factors (X and V factor) for growth in culture. It causes meningitis in children.
    Hemophilus influenza
  29. What are the two groups of bacteria which are obligate intracellular parasites
    • Rickettsae
    • Chlanydiae
  30. What is the bacteria that causes Rocky Mountain Spotted Fever?
    Rickettsaie rickettsii
  31. How are rickettsail diseases usually transmited?
    arthropod bite
  32. What are the primary ways that Chlamydia are transmitted?
    person-to-person contact
  33. Briefly list the six steps of the Chlamydia life cycle.
    • 1. Elementary forms attaches to host cells.
    • 2. Host cell phagocytizes
    • 3. Reticulate body formed
    • 4. multiple reticulate bodies fromed
    • 5. Reticular bodies converted to elementary bodies
    • 6. Elementary bodies are released
  34. Identify the organism that causes venereal disease lymphogranuloma vernereum.
    Chlamydia trachomatic
  35. Identify the bacterial group that have no cell wall. (not L-forms!).
  36. What is the name of the disease is caused by Mycoplasma pneumonia?
    primary atypical pneumonia
  37. Gram positive organisms which occur in grape-like clusters, have golden-tan colonies, and can tolerate high osmotic pressure.
    Staphylococci aureus.
  38. What organism causes symphillis?
    Treponema palladum
  39. What disease is caused by Leptospira interrogans?
  40. What enteric Gram negative bacteria exhibits swarming growth that produces concentric rings on an agar plate?
    Proteus spps.
  41. Which species of bacteria causes strep throat and rheumatic fever?
    Streptococcus pyogenes
  42. Steptococcus mutans is known for causing what problem?
    tooth decay
  43. What bacteria reproduce by budding?
  44. Name three gliding bacteria.
    • Cyptophaga
    • Beggitoa
    • Myxobacteria
  45. Give the names of 2 Archeobacteria and the extreme enivronmental conditions that they inhabit.
    • Thermus acquaticus- opitmal growth >80 C
    • Halobacterium- high salt concentration
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Micro ch 11
2012-10-16 00:24:00
Micro 11

Micro ch 11
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