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Bates Microbio-18y
Microbiology Exam 5 Chapters 19-27 Must Know Test Questions
| Term | Definition |
|---|---|
| Models of action in antimicrobial drugs | -Inhibition of cell wall synthesis - inhibition of protein synthesis - inhibition of nucleic replication and transcription - injury to plasma membrane -inhibition of synthesis of essential metabolites |
| Drugs which cause inhibition of cell wall synthesis | -Penicillins -Cephalosporins -Vancomycin -Bacitracin |
| Drugs which cause inhibition of protein synthesis | -Chloramphenicol -Erythromycin -Tetracyclines -Streptomycin |
| Which drugs cause inhibition of nucleic acid replication & transcription | -Quinolones -Rifampin |
| Which drugs cause injury to the plasma membrane | -Polymycin B |
| Medications causing inhibition of synthesis of essential metabolites | -Sulfanilamide -Trimethoprim |
| Kills microbes directly | Bactericidal |
| Prevents microbes from growing | Bacteriostatic |
| How do we test for microbial susceptibility to chemotherapeutic agents. | Disk-Diffusion method- use ampicillin |
| The mechanisms of drug resistance | 1) blocking entry 2) inactivating enzymes 3) alteration of target molecule 4) efflux of antibiotic |
| What are the common methods of misuse in antibotics? | -Using outdated or weakened antibiotics -Using antibiotics for the common cold and other inappropriate conditions -Using antibiotics in animal feed -Failing complete the prescribed regimen -Using someone else's leftover prescription |
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arichardson_14
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