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Microbiology 20.4
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| Question | Answer |
|---|---|
| Vancomycin | Gram pos only strep & staph used against penicillinase mrsa narrow spectrum |
| Penicillin | true antibiotic group of chemically related antibiotics penicillin g(prototype of all penicillins) excreted from the body quickly stomach acid diminishes effectiveness & v(natural) can take stomach acidity |
| Tetracycline | inhibits protein synthesis produce by streptomyces effective against gram + & - used chlymidia rickettsia |
| Drugs used in topical ointments | neomycin, bacitracin, polymixin |
| ureidopenicillins | Mezolocillin treats pseudomonas |
| chloromphenicols | Produced by streptomyces effects protein synthesis broad spectrum small diffuses easier into blood brain barrier causes aplastic anemia |
| microbial genera that produce antibiotics | Lactobacillus,Mycoplasma,Bacillus,Clostridium,Streptomyces,penicillium, cephalosporium |
| Zidovodine | 1st used to treat aids interfer w/ synthesis from dna to rna azt(azidothymidine) |
| R factors | Plasmids have genes that carry resistance to antibiotics can be transfered from one bacterium to another |