Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein synthesis. Describe the specific effect of the following antimicrobial drugs: (i) Chloramphenicol (ii) Rifamycin
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- Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein synthesis. Describe the specific effect of the following antimicrobial drugs: (i) Tetracycline (ii) Puromycin (iii) Alpha-AmanitinThe antibiotic susceptibility testing results of Staphylococcus showed zones of inhibition (absence of growth on zones) around discs of Penicilin, Teracycline, chloramphenicol, this means that a) S. aueres is resistant to all these antibiotics. b) S. aueres is susceptible to all these antibiotics. c) susceptible to only a couple of them d) neither are the correct choicesThe type of antimicrobial drug that would be most likely to have toxic effects in humans based on the premise of selective toxicity when treating microbial infection would be a drug that O 1) inhibits the synthesis of the cell wall O 2) inhibits metabolic pathways O 3) disrupts the cytoplasmic membrane 4) inhibits protein synthesis 5) All of the above have equal potential to be toxic
- For each of the following antibiotics, identify its mechanism of action. Antibiotic Mechanism of Action Erythromycin Aminoglycosides Linezolid Sulfonamides Penicillins Vancomycin Polymyxins Rifampin QuinolonesWhich one of the following categories for antibacterial agents is most likely to have toxic side effects for humans? a) disruptors of cell membrane structure b) inhibitors of cell wall synthesis Oc) inhibitors of protein synthesis d) antimetabolites RESET e) inhibitors of DNA synthesis Cancel DoneFor each of the following antibiotics, give the spectrum, primary effect and briefly explain the mechanism of action: 1) Penicillins 2) Po1yrrryxin B 3) Vancomycin 4) Tetracyclins
- Which antimicrobial drug does not inhibit cell wall synthesis? a) gentamicin b) vancomycin c) cephalosporins d) penicillinsWhich of the following types of antimicrobial drugs make microbes more susceptible to osmotic pressure? 1) drugs that inhibit nucleic acid synthesis O 2) drugs that inhibit metabolic pathways 3) drugs that inhibit cell wall synthesis 4) drugs that block a pathogen's recognition of its host 5) drugs that inhibit protein synthesisAnswer all of the questions 1. Which of the following antimicrobial drugs target DNA/RNA synthesis? a) Ciprofloxacin b) Sulfa drugs c) Gentamycin d) Penicilline) Polymyxin B 2. Which of the following antimicrobial drugs target protein synthesis? a) Ciprofloxacin b) Sulfa drugs c) Gentamycin d) Penicilline) Polymyxin B 3. true or false: Streptococcus is killed by growing on blood agar.
- Why do penicillins and cephalosporins have a higher therapeutic index than most other antibiotics?refer to the diagram left hand side is Tetracycline and right hand side is ampicillin. please help to describe the observation and explain these two antibiotics are sensitive or not.Important characteristics of antimicrobial drugs include: a) readily delivered to the site of infection b) high toxicity against microbial cells c) do not cause serious side effects in humans d) remains active in body tissues and fluids e) all of the above