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Micro
Gram +
Question | Answer |
---|---|
Gram +, catalase +, coagulase + | S. Aureus |
Gram +, catalase +, coagulase - | Staph epidermidis ( nobo sensitive) Staph Saprophyticus (nobo resistant) |
Gram +, catalase -, partial hemolysis alpha | No capsule, optochin resistance ( viridians- strep Sanguinis, mutans.) Capsule, optochin sensitive ( strep pneumoniae) |
Gram +, catalase -, complete hemolysis beta | Bacitracin sensitive- strep Pyogenes( pyogenic, toxigenic, inmunologic) Bacitracin resistance- strep Agalactiae (B- babies) Hippurate + |
Gram +, catalase -, no hemolysis y. | Enterococcus ( E. Fecalis, E. Faecium) Non- enterococcus ( S. Bovis - in the blood=cancer in colon) |
Gram +, bacillus( Rod) , anaerobe, | Clostridium Tetani ( exotoxin) tetanospasmin Botulinum ( toxin inhibit ACh) flaccid paralysis( babies) Perfringes ( alpha toxin) gas gangrene, hemolysis Difficile ( toxin A, B) |
Gram +, bacillus, aerobe | Anthrax |
Gram +, rocket tails | Listeria Monocyt, ingestion of unpasteuricied products |
Gram +, rod, grayish white membrane | Corynebacterium Diphteriae, toxoid vaccine |
Gram +, branching filaments, anaerobe, not acid fast | actinomyces |
Gram +, branching filaments, aerobe, acid fast | nocardia ( sulfa) |