mic 102 final exam questions with correct answers
antibiotic- old and new definition CORRECT ANSWER - originally referred to any compound produced by one species of microbe that could kill or inhibit the growth of other microbes. -today the term is also used for synthetic chemotherapeutic agents that are clinically useful but chemically synthesized. Selective toxicity CORRECT ANSWER -a quality of an antibiotic - Antibiotic must selectively kill or inhibit the pathogen but not the host, How is selective toxicity possible? CORRECT ANSWER - because key aspects of a microbe's physiology are different from those of eukaryotes -Examples: peptidoglycan, ribosomes, biochemical pathways antibiotics at high does and example CORRECT ANSWER -Many antibiotics have side effects at high doses - Chloramphenicol targets bacterial 50S ribosomal subunit-At high levels, it interferes with the development of red blood cells (aplastic anemia, or failure to produce RBC) how are antimicrobials classified? CORRECT ANSWER - by the type of organisms they affect - antifungal or antibacterial what is meant when its said that antimicrobials have a limited spectrum of activity? CORRECT ANSWER - No single antimicrobial drug affects all microbes
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- Subido en
- 13 de diciembre de 2023
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