Plese answer the questions on page two. First page has informations. Evaluation of Disinfectants and Antiseptics- FilterPaper Disk Method-Introduction and backgroundBacteria are important in many ways. A few bacteria cause disease and are known aspathogens. Some examples of diseases caused by bacteria include tuberculosis, pneumonia,strep throat, and ear infections.Because bacteria multiply so rapidly, it is often necessary to control their growth in thehuman body, in food, and in the kitchen. Several varieties of products are used to controlbacterial growth, including antibiotics, disinfectants, and antiseptics. All these compounds thatkill or inhibit microbes are antimicrobial agents. Antiseptics are substances such as alcohol thatinhibit the microbes and can be applied to living tissue. Examples include alcohol or iodine.Disinfectants are chemical agents that are applied to inanimate objects such as floors, countertops, dishes, etc. They are usually stronger and are too toxic to be used on living tissue. Acommon disinfectant is bleach or Cavicide. Antibiotics are antimicrobials produced bymicroorganisms that kill or inhibit other microorganisms. Many times antibiotics are chemicallyaltered to make them more effective and are referred to as semi- synthetics. Different kinds ofbacteria are sensitive to some chemicals and insensitive to others. Thus, different types ofantimicrobial agents vary in the way they affect bacterial growth.Objectives:In this virtual lab, you will determine the effectiveness of disinfectants and antiseptics ininhibiting the growth of bacterial cultures using filter paper disk method. Compareeffectiveness of disinfectants and antiseptics with different type of bacteria and measure thebacterial growth around each antimicrobial agentProcedure:Please review the below video for procedure only:https://www.youtube.com/watch?app=Ddesktop&v=5KTLVQTCY5KAssuming in this lab exercise you use disinfectants: Chlorine, Quat,Hexachlorophene and O-phenylphenol to against bacteria S. aureus, E. coli, andPseudomonas aeruginosaPlease check the result of the lab experiment from the Tortora textbook chapter7, page 189 Figure 7.6 2. Differentiate antiseptics and disinfectants. Include examples of each in your answer.Indicate whether any chemicals can be used as both.3. Describe the effects of the various antiseptics/disinfectants you used. Were they allequally effective at controlling bacterial growth? How do you know?4. Compare the effectiveness of the different chemical disinfectants on each bacteriumthat you used. Which seem to be better at controlling bacterial growth? Why do youthink this is so?5. Why are the pseudomonads less affected by the four chemicals shown in the figures7.6?6. Can you think of any limitations of this technique of testing the effectiveness ofantimicrobial agents?

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Answered: 2. Differentiate antiseptics and…

2. Differentiate antiseptics and disinfectants. Include examples of each in your answer. Indicate whether any chemicals can be used as both.

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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