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17 Cards in this Set
- Front
- Back
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What is the natural habitat of Pseudomonas spp.?
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Moist environments - soil, water, plants
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How are Pseudomonas infections usually transmitted?
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Via water.
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What are the Gram stain and morphological characteristics of Pseudomonas spp.?
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Gram-negative rods.
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What is the leading cause of death in burn patients?
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Pseudomonas infection.
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What is the primary cause of death in cystic fibrosis patients?
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Burkholderia cepacia infection.
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Why is Pseudomonas infection a concern in the dental clinic?
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The organism can be spread by aerosols generated by handpieces and contaminated water lines to handpieces.
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What types of infections are caused by Pseudomonas aeruginosa?
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Respiratory
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How does algenate (the capsule) enhance the pathogenic potential of Pseudomonas?
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Binding to tissues.
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Besides its capsule what are some other virulence factors of Pseudomonas?
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Pili.
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What is typical of antimicrobic treatment of Pseudomonas and Burkholderia?
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It must be aggressive, commonly using combinations of antibiotics that are synergistic.
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What is the best way to prevent Pseudomonas and Burkholderia infections?
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Rigorous cleanliness with attention paid to infection control practices.
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What is the etiologic agent of gonorrhea?
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Neisseria gonorrhoeae
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What are the Gram staining and morphological characteristics of Neisseria?
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Gram-negative diplococci (kidney bean shaped).
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What types of growth requirements are needed by the pathogenic Neisseria spp.?
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Enriched media needed.
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What Neisseria species causes meningitis?
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Neisseria meningitidis
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In what age group do most of infections with Neisseria gonorrhoeae occur?
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20 to 24 years of age.
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Does immunity develop after infection with N. gonorrhoeae?
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No.
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