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Micro 149
| Question | Answer |
|---|---|
| Facultative intracellular | Salmonella Neisseria Brucella Mycobacterium Listeria Francisella Legionella Yersinia Some nasty bugs may liver facultatively |
| obligate intracellular | Rickettsia Chlaymydia |
| gram stain limited bugs | Treponema (too thin) Ricketsia (intracellular) Mycobacteria (high lipid content cell wall needs acid fast) Mycoplasma (no cell wall) Legionella pneumophilia (intracellular) CHlaymydia (intracellular; lacks muramic acid in cell wall) |
| Giemsa stain | Borellia Plasmodium trypanosome Chlamydia |
| PAS | stains glyocgen, mucopolysaccharides WHipple's disease |
| Ziehl Neelson | acid fast |
| india ink | cryptococcus |
| silve rstain | fungi, Legionella |
| Charcoal yeast extract agar buffered with cysteine and iron | legionella |
| eaton's agar | M. pneumoniae |
| Lowenstein jensen agar | M. tuberculosis |
| Tellurite plate, Loffler's media | C. diphtheriae |
| Chocolate agar with factors V (NAD) and X (Hematin) | H. influenzae |
| VPN media | N. gonorrhae Vancomycin (inhibit gram positive) Polymxin (inhibit gram negative) Nystatin (inhibits fungi) |
| obligate aerobes | Nagging pests must breath Nocardia pseudomonas mycobacterium bacillus |
| Encapsulated bacteria | Some Nasty killers have some capsule protection Salmonella Neisseria Klebsiellar H. influ Strep pneumo cryptococcus pseudomonas |
| catalase positive bugs | Pseudomonas Aspergillus Nocardia Candida Actinomyces and S. aureus Klebsiella E. coli Serratia |
| urease positive bugs | PUNCH -K Proteus ureaplasma Nocardia Cryptococcus H.pylori Klebsiella |
| M protein | group A strep helps prevent phagocytosis |
| IgA protease | enzyme that cleaves IgA. secreted by SHin - S.pneumo, H influenzae type B, neisseria in order to colonize respiratory mucosa |
| protein A | S. aureus binds Fc region of Ig. Prevents obsonization and phagocytosis |