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-Amanitin
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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) Chloramphenicol (ii) RifamycinThe 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
- Which 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) TetracyclinsWhich antimicrobial drug does not inhibit cell wall synthesis? a) gentamicin b) vancomycin c) cephalosporins d) penicillins
- Answer 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.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 above17) Which of the following is the drug of choice for the treatment of Methicillin-Oxicillin Resistant Staphylococcus Aureus (MRSA)? A) Vancomycin B) SMZ/TMP C) Penicillin G D) Ciprofloxacin
- Your patient is allergic to penicillin. Therefore, which of the following antibiotics is NOT appropriate to give this patient? A) Ancef (Cefazolin) B) Vancocin (Vancomycin) C) Bactrim (Sulfamethoxazole/Trimethoprim) D) Zosyn (Piperacillin/Tazobactam)What bacterial structural target would make an antibacterial drug selective for gram-negative bacteria? Provide one example of an antimicrobial compound that targets this structure.Both ethanol and trimethyldodecylammonium chloride are active ingredients in cleaning products used to disinfect. Both will inactivate coronaviruses by a similar mechanism of action. Describe that mechanism of action and why both chemicals are able to cause it. (Reminder: coronaviruses are "lipid envelope" viruses.) Consider the physical properties of these compounds to answer the following question: why might you choose to use a cleaning product with one of these active ingredients over the other?