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14 Cards in this Set
- Front
- Back
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Streptococci: pathogenicity?
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pathogenic and nonpathogen strains in animals and humans
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toxins produced by Streptococci?
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streptococcal pyrogenic exotoxin
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Streptococci causes?
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many lesions and affects almost every part of the body
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Streptococci and antibiotics?
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easily controlled with antibiotics
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Which Streptococci are responsible for causing most infections in humans?
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Strep pyogenes, strep pneumoniae, Strep agalactiae
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Streptococci gram stain?
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Streptococcus is gram + cocci in chains
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Streptococci is killed by?
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disinfectants and penicillins
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Streptococci bacteria found on?
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skin, nose, mouth, mocosal surfaces,may be alive outside body, species difficult to identify
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Streptococcus grows best on?
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blood agar
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Streptococcus hemolysis breakdown?
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clear(beta), green (alpha), none(gamma)
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Streptococcus classification?
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Lancefield System Grouping
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Classification of beta hemolytic strep based on?
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Carbohydrate antigens on cell wall
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Streptococcus Serogroups?
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A-V have been identified, omit I amd J
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Group A Streptococcus
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further subdivided into M-Protein antigens
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