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Salmonella
Question | Answer |
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Which one of the following is NOT a condition associated with Salmonella? A. Typhoid fever B. Peptic ulcer disease C. Gastroenteritis D. Bacteremia | B. Peptic ulcer disease |
The presence of the _______________________ of Salmonella _________ can sometimes inhibit agglutination with Group specific antisera. | capsular antigen (vi antigen), typhi |
How do you accurately serotype Salmonella if agglutination with individual Group specific antisera does not occur after a reaction occurred in the "A-E, vi" antisera? | Boil the organism in saline for 15-20 minutes to remove capsular antigen and retype with antisera |
What is most positive during the first week of Typhoid Fever? What is most positive during the third week? | 1st week: 89% of blood cultures (bacteremia) 3rd week: 90% of stool cultures |
Extraintestinal isolates of Salmonella should be tested for resistance to ______________________ because it can predict resistance or susceptibility to the _____________________. | Nalidixic acid, fluoroquinolones |
Salmonella is differentiated from Arizona by ___________________________. Salmonella is _________________ (pos/neg) and Arizona is __________________ (pos/neg). | malonate fermentation, negative, positive |
In cases where antibiotic treatment is required, what are the drugs of choice for Salmonella treatment? | Chloramphenicol, ampicillin and Septra (SXT) |