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11 Cards in this Set
- Front
- Back
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What type of sample is taken in a potential GI infection? |
Stool |
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What information is particularly useful in diagnosing GI infections? |
Travel history |
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Species of which genus are most commonly isolated from stool samples in a lab? |
Campylobacter |
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Which type of agar will differentiate E. coli 0157 from the less pathogenic species? |
Sorbitol MacConkey Agar |
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What type of agar is selective for Campylobacter |
Charcoal |
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What are the 2 confirmatory tests for Campylobacter |
Oxidase, Gram stain |
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As opposed to safranin, what is used as a counterstain when visualising Campylobacter? |
Carbolfuschin |
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Routine testing for which firmicute species occurs for hospital patients older than 2 (and GP patients over 65)? |
Clostridium difficile |
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Recent chemotherapy or antibiotic use warrants a routine test for which Gram-Positive bacteria? |
Clostridium difficile |
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C. difficile overgrowth is the primary cause of what condition? |
Pseudomembranous colitis |
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Which two tests are used to diagnose a C. difficile infection? |
Glutamate dehydrogenase, Toxin A/B |
