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11 Cards in this Set
- Front
- Back
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Mechanism:Non-inflammatory
(enterotoxin) Location:proximal small bowel Stool exam:no fecalleukocytes Example organisms: E. coli Salmonella Campylobacter jejuni Giardia Cryptosporidium parvum Rotavirus Norwalk-like agents |
Illness: Diarrhea
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Mechanism:Inflammatory (invasive, cytotoxin)
Location: colon Stool exam: fecal PMNs Example organisms: Shigella Invasive E. coli S. enteritidis C. difficile E. histolytica B. coli |
Illness: Dysentary
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Mechanism:Penetrating
(invasive, spread Location:distal small bowel Stool exam: monos & leukocytes Example organisms: S. typhi Y. enterocolitica |
Illness:Enteric fever
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Escherichia
Salmonella Shigella Yersinia Klebsiella Serratia Proteus are. . . |
Enterobacteriaceae
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Enterobacteriaceae are
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Gram negative, facultative anaerobic rods
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Gram ___ are purple/blue;
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+
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Gram ___ are pink
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-
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Lab identification of the enterics
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1) isolate G- bacteria
2) TSI – triple sugar iron assay |
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E. coli is lactose __
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+
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E. coli is grouped based on _______
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surface antigens
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E. coli serotype differentiation
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1. immunologic assay
2. growth on MacConkey agar with sorbitol |
