Bacteriology Anaerobes Quiz

37 Questions | Total Attempts: 1536

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Bacteriology Anaerobes Quiz - Quiz


Questions and Answers
  • 1. 
    Moderate anaerobes are unable to multiply in an atmosphere containing more than ____
    • A. 

      10-20% oxygen

    • B. 

      5-10% oxygen

    • C. 

      2-8% oxygen

    • D. 

      7-14% oxygen

  • 2. 
    Strict anaerobes cannot multiply in the presence of more than _______ oxygen.
    • A. 

      2%

    • B. 

      1%

    • C. 

      .5%

    • D. 

      10%

  • 3. 
    _____ anaerobes are seldom associated with human infections
    • A. 

      Moderate

    • B. 

      Strict

  • 4. 
    ________ anaerobes are those that exist outside the bodies of animals
    • A. 

      Endogenous

    • B. 

      Exogenous

  • 5. 
    _______ anaerobes are those that exist inside the bodies of animals also called
    • A. 

      Endogenous

    • B. 

      Exogenous

  • 6. 
    Anaerobes causing human infection are most frequently ______ in origin.
    • A. 

      Exogenous

    • B. 

      Endogenous

  • 7. 
    _____% of bacteria in saliva, nasal washings and gingival and tooth scrapings are anaerobic
    • A. 

      50

    • B. 

      20

    • C. 

      70

    • D. 

      90

    • E. 

      40

  • 8. 
    Most anaerobes are ____- smelling
    • A. 

      Sweet

    • B. 

      Foul

  • 9. 
    Expectorated sputum is cultured for the presence of anaerobes.
    • A. 

      True

    • B. 

      False

  • 10. 
    Transtracheal aspirates are collected to diagnose aspiration pneumonia.
    • A. 

      True

    • B. 

      False

  • 11. 
    About half the bacteria in cervical and vaginal cultures are anaerobes; cannot be distinguished as indigenous or actually causing infection.
    • A. 

      True

    • B. 

      False

  • 12. 
    Anaerobes outnumber aerobes by _____:__.
    • A. 

      500:1

    • B. 

      1000:1

    • C. 

      1000,000:1

    • D. 

      10:1

    • E. 

      100:1

  • 13. 
    The only anaerobe of interest in the Gastrointestinal tract is _____.
    • A. 

      Clostridium difficile

    • B. 

      Propionibacterium acnes

    • C. 

      Bacteroides fragilis

  • 14. 
    Testing for the presence of Clostridium difficle  is done by looking for _________________.
    • A. 

      Presence of toxins

    • B. 

      Growth of the organism

  • 15. 
    The absence of leukocytes in Human infections rules out anaerobic infection.
    • A. 

      True

    • B. 

      False

  • 16. 
    Gram positive Sporeforming Anaerobic Bacilli are all classified as _____.
    • A. 

      Bacteroides

    • B. 

      Porphyromonoas

    • C. 

      Clostridium

  • 17. 
    Spores of Clostridia may be grouped by the location of the spore. Spores are described as
    • A. 

      Terminal

    • B. 

      Middle

    • C. 

      Posterior

    • D. 

      Anterior

    • E. 

      Subterminal

    • F. 

      Middle

    • G. 

      Central

  • 18. 
    Clostridiums species are most frequently isolated from _____ anaerobic infections.
    • A. 

      Endogenous

    • B. 

      Exogenous

  • 19. 
    Clostridium. difficile is the only Clostridia infection of ______ origin.
    • A. 

      Exogenous

    • B. 

      Endogenous

  • 20. 
    Clostridia cause disease such as
    • A. 

      Tetanus

    • B. 

      Gas gangrene

    • C. 

      Food poisoning

    • D. 

      Botulism

    • E. 

      All of the Above

    • F. 

      None of the Above

  • 21. 
    Clostridium perfringens is associated with two types of food poisoning. Type A is ____.
    • A. 

      A mild and self-limited illness of the GI tract

    • B. 

      serous but rarely seen in GI illness

  • 22. 
    Clostridium perfringens is associated with two types of food poisoning. Type C is ____.
    • A. 

      A mild and self-limited illness of the GI tract

    • B. 

      More serious but rarely seen GI illness

  • 23. 
    Type A entertoxin from Clostridium perfringens requires what kind of treatment?
    • A. 

      Fluid replacement

    • B. 

      Antibiotics

  • 24. 
    Type C entertoxin from Clostridium perfringens requires what kind of treatment?
    • A. 

      Fluid replacement

    • B. 

      Treatment with antibiotics

  • 25. 
    Clostridium boutulinus produces seven different botulinium toxins(A-G). Which types are associated with human infections?
    • A. 

      A, B, and C

    • B. 

      A, B, G

    • C. 

      C, B, E

    • D. 

      A, B, E

    • E. 

      A, E, G

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