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Which antimicrobics would be suitable for the control of the following organisms?
S. aureus:
E. coli:
P. vulgaris:
P. aeruginosa:
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- A pathogenic bacteria ferments for survival in your patient producing a swollen, dark discolored leg due to muscles degradation and gas-filled distension on the skin. Treatment includes pressurized hyperbaric oxygen. Which of the following apply? None of the statements apply Streptococcus pneumoniae causing community aquired pneumonia. Klebsiella pneumoniae causing cellular degradation in pulmonary tissues Clostridium perfringens causing gas gangrene resulting in myonecrosis by synthesis of acids and gases Staphylococcus aureus producing lipases and proteasesAnaerobic bacteria produces which of the following inhibitory toxic product? -methilane -cyanide oxides -fatty acids -sulphidesWhich of the following cannot be grown in artificial media and must be grown in live animals or cells instead? Neisseria gonorrhoeae, the causative agent of gonorrhea Lactococcus lactis, a lactic acid bacterium used to produce cheddar cheese Staphylococcus aureus, a bacterium sometimes found in human nares (nostrils) Staphylococcus epidermidis, a bacterium routinely found on human skin Escherichia coli, a bacterium common in mammalian intestines 21 Treponema pallidum, the causative agent of syphilis
- Clostridium perfringens bacteria, which can survive and grow on frostbitten human tissues, but only in the complete absence of oxygen gas, are properly categorized as: anaerobic autotrophs facultative autotrophs anaerobic heterotrophs aerobic heterotrophs aerobic autotrophshttps://courses.lumenlearning.com/microbiology/chapter/controlling-microbial-growth/ Read this Article about Controlling Microbial Growth and answer the following questions: Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explain. What are two possible reasons for choosing a bacteriostatic treatment over a bactericidal one? Name at least two factors that can compromise the effectiveness of a disinfecting agent.The 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
- clostridium botulinum is a bacterium usually present in soil that may cause botulism. Briefly explain why one or few cells of a pathogenic bacterium, such as clostridium botulism, by itself typically does not secrete a toxin, despite the species as a whole being characterized as toxin producing.Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b. Pseudomonas aeruginosBacteria that prefer to grow at room temperature at low pH are: Mesophilic acidophiles Microaerophilic alkalophiles Psycrophilic neutraphiles Thermophilic acidophiles
- One of the following is considered as Fastidious bacteria: Select one: Staphylococcus spp. Klebsiella Streptococcus spp. E. coliYour supervisor contacts you to tell you that your recommended antimicrobic treatment did not work and the patient is still sick. Your supervisor thinks you may have misidentified the organism or that the organism was actually resistant to the antimicrobic. Write a follow-up paragraph to explain:- What may have gone wrong in your identification or choice of antimicrobic? - How could you convince your supervisor that your initial conclusion is accurate?The statements are given below, which will best describe why antimicrobial drugs that affect cell wall synthesis tend to have selective toxicity when used by humans? Human cells only synthesize peptidoglycan as a food source Cell wall synthesis is a common metabolic process in humans and bacteria. Most bacteria only synthesize cell walls during their log phase of growth. Human cells do not have cell walls.