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ASCP Microbiology
Microbiology
| Question | Answer |
|---|---|
| best distinguishes Mycobacterium scrofulaceum from Mycobacterium gordonae | Tween hydrolysis |
| flouresced under a Wood's lamp, fungus with mycelium and very few macroconidia or microconidia | Microsporum audouinii |
| Primary amoebic-encephalitis may be cause by: | Naegleria sp. |
| production of beta-lactamase is inducible in: | Staphylococcus aureus |
| Anaerobic susceptibility test | synovial infections |
| test for diagnosing Clostridium difficile | toxin assay |
| typical result of Campylobacter fetus subspecies fetus | growth at 37C |
| safety-pin appearance | Yersinia pestis |
| detection of Francisella tularensis | fluorescent Ab staining technique on clinical specimens |
| blood culture suspected of leptospiremia | in the first 7-10 days of infection |
| growth requirement for the isolation of Leptospira sp. | medium containing 10% serum plus fatty acids |
| Erysipelothrix rhusiopathiae | H2S production |
| pigment production by Mycobacterium kansasii | result of beta carotene formation and accumulation |
| live attenuated vaccine | measles |
| Combination antibiotic theraphy | the synergistic effect of the drugs should be assessed. |
| Mycobacterium tuberculosis | rough, nonpigmented colony, slow growth at 37C, niacin production-positive,nitrate resuction-positive |
| Mycobacterium kansasii | result of beta carotene formation and accumulation |
| UV light decrease intensity to be replaced | 30% |
| best aid in the ID of Epidermophyton floccosum macroconidia | smooth walls, club-shaped |