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Bacteria
Bacteria Identification
| Question | Answer |
|---|---|
| Gram positive, cocci, catalase positive | Staphylococcus |
| Staph, coagulase positive | S. aureus |
| Gram positive, cocci, catalase negative | Streptococcus |
| Strep, alpha hemolysis, optochin sensitive, quellung positive | S. pneumoniae |
| Strep, alpha hemolysis, optochin resistant | S. viridans |
| Strep, beta hemolysis, Group A | S. pyogenes |
| Gram positive, bacilli, aerobic sporing | Bacillus (anthrax) |
| Gram positive, bacilli, aerobic non-sporing | Listeria |
| Gram positive, bacilli, anaerobic sporing | Clostridium |
| Gram negative, cocci | Neisseria |
| Neisseria, maltose fermenter | N. meningitidis |
| Neisseria, maltose non-fermenter | N. gonorrhea |
| Gram negative, coccoid rods, oxidase negative, no growth on Mackonkey's | Haemophilus |
| Gram negative, rods, oxidase negative, growth on Mackonkey's | Enterobacteriaceae |
| Enterobacteriaceae, lactose fermenter | E. coli or Klebsiella |
| Enterobacteriaceae, lactose non-fermenter | Proteus, Salmonella, Shigella |
| Gram negative, rod, oxidase positive, grows on nutrient agar | Pseudomonas |
| Gram negative, rod, oxidase positive, no growth on nutrient agar | Bordetella (pertussis) and Campylobactor |