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11 Cards in this Set
- Front
- Back
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(S. pneumonia picture) in an immunocompetent adult, the most common serious manifestation of infection by this organism is:
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Pneumonia
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Which of the following organisms are most likely to be involved in subacute bacterial endocarditis?
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Viridans Streptococci
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For most Streptococci, the antigenic component on which the Lancefield grouping is based is a:
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Cell wall polysaccharide
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Which Streptococcus pyogenes antigen is responsible for the induction of protective antibody?
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M-protein
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Currently, Staphylococcal Toxic Shock Syndrome is most commonly associated with:
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Wound infection
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A close contact of a person who develops neisserial meningitis should be prophylactically treated with:
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Ciprofaxin
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The most reliable means of diagnosing typhoid fever is:
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Bone Marrow Culture
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The drug of choice for severe antimicrobial-associated enterocolitis is:
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Vancomycin
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The major virulence factor of Clostridium perfringens is a:
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Lecithinase
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Which of the following cells can be capable of both phagocytosis and antigen presentation to T-cells?
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Monocytes
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Patients with sickle cell anemia are at greatly increased risk of infection with certain organisms, particular those which possess:
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Capsules
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