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What is the relationship between dilution factors and the efficacy of antimicrobial agents in inhibiting bacterial growth?
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- What is the differece between disinfection and sterilization? What is the dfference between bacterial-cidal and -static antimicrobial agents?Why is water tested for coliform bacteria rather than for pathogenic bacteria which may be present?In determination of microbial motility, what is the value of a hanging-drop perparation? what is the value of a wet-mount preparation?
- How are dilution susceptibility tests and disc diffusion tests usedto determine microbial drug sensitivity?Why is CFU more applicable to a culture of Streptococcus than to a culture of E. coli?What are the tests to determine the level of antimicrobial activity of a antimicrobial agent? How dilution susceptibility and disk diffusion test can be used to determine the effectiveness of a drug?
- What is diluent? Why is it useful for working with bacterial samples?Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving? When can you say that the sterility of an instrument is compromise?Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving?