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Biology
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28 Nov 2019

Microbes of the normal flora can become pathogenic if they are allowed to gain access to a site in the body other than their normal environment.

True or False

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Jarrod Robel
Jarrod RobelLv2
28 Apr 2019
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Related questions

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?

Reference...

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

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.

2. Indicate one body site in healthy human body where each of the above microbes may be found as normal flora.

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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