Stool bacteria - Yersinia
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each of the black spaces below before clicking
on it to display the answer.
Help!
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| The rat flea is the vector for which Yersinia species? | Yersinia pestis
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| Which clinical form of Yersinia is known to be the cause of the plague epidemic? | Yersinia pestis - pneumonic form
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| Does the plague still affect people today? If so, in what regions? | Yes, the plague affects about 15 people a year in the Southwest US (New Mexico, Arizona, California).
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| What are the two forms of Yersinia pseudotuberculosis that occur in humans ? | Fulminating septicemia and Mesenteric lymphadenitis
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| Which methods can be used to diagnose Yersinia? | Observing bipolar staining (safety pin) with Wayson stain, observing a "bulls-eye" on CIN agar, and cold enrichment treatment.
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| What are the best treatment options for Yersinia? | Aminoglycosides, Chloramphenicol, and Tetracycline
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| How does Y. enterocolitica compare to Y. pestis and Y. pseudotuberculosis on TSI? | Y. enterocolitica is A/A instead of K/A like Y. pestis and Y. pseudotuberculosis because it ferments the sucrose in TSI.
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Created by:
rowleea
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