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Do you think that microbes that are part of the normal flora of the URT can cause some diseases of the URT? If yes, what factors changed so that they became pathogenic? If no, why not?

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Keith Leannon
Keith LeannonLv2
28 Sep 2019

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Need answer of both questions:

1. Some examples of diseases of the upper respiratory system include pharyngitis, tonsillitis, sinusitis, laryngitis and epiglottitis. What microbes are responsible for these diseases? Are the microbes part of the normal flora? If yes, what factors changed so that they became pathogenic? Explain.

2. Based on what you've learned about the principle of each of these tests and how to set them up, do you think it is possible to get false positive and/or false negative results? Why or why not? Explain.

please answer by number, add references. Own words. Thanks

Read the article "About E. coli” and discuss how can E. coli bacteria cause disease when they are part of our normal microbiota. What are the differences between pathogenic E. coli and non-pathogenic E. coli? Can we destroy pathogenic E. coli bacteria that infects our bodies without disrupting our normal microbiota? http://www.about-ecoli.com/

Please cite any sources annd type the answer

Some bacteria including strains of Enterococcus and Staphylococcus, and fungi such as Candida, can survive for one to three months on a variety of materials found in hospitals, including scrub suits, lab coats, plastic aprons, and computer keyboards. They are the major causes of opportunistic infections in human.

1. Describe the meaning of opportunistic infections.

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3. Indicate example of a disease that each of the above microbes may cause in hospital patients.

4. Describe one physical and one chemical method of disinfecting objects contaminated with these microbes.

5. List 2 important practices hospital personnel can do to reduce the spread of these pathogens.

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