UNC-Chapel Hill MCRO 251 - Exam 1 Study Guide - 251 (87 pages)

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Exam 1 Study Guide - 251



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Exam 1 Study Guide - 251

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Pages:
87
School:
University of North Carolina at Chapel Hill
Course:
Mcro 251 - Introductory Medical Microbiology
Introductory Medical Microbiology Documents

Unformatted text preview:

Microbiology 251 I Overview of Medical Microbiology Information and Expectations II Overview Chapter 1 Bacteria Eukaryotes and Viruses are the primary players in infectious pathogenicity that we will discuss in this class however we will discuss a few eukaryotic organisms along the way The Key Terms and the Chapter Summaries are good sources for review of class material Assigned animations are helpful in understanding material for class are testable materials 1 What are we finding out about the microbes that live on and in us A Microbes in and on us all the time B Microbes bacteria cause disease which are everywhere C Can distinguish between good and bad microbes D Can be killed by with fire used antibiotics for everything bc they kill microbes but they harm humans by altering things 1 Antibiotics save lives when used correctly 2 Can burn out microbiota when used wrong 3 when taking antibiotics it is targeting the probiotics if taken for a viral infection instead of a bacterial infection E super bugs are completely resistant to every antibiotic 1 E coli 2 Gonorrhea 3 Super bugs are created by using antibiotics wrongly or nondiscriminatory a We wiped out all of the good bacteria and allowed bad bacteria in and overwhelm the environment 1 Ex lakes w bad bacteria F Microbiome consist of Microbiota 50 and Us 50 1 All kinds of human cells and everywhere bacteria cover these cells 2 Most bacteria cells live in our gut a If constipated ratio goes up b If massive explosion of microbiota ratio goes down 3 Consist of bacteria microphages viruses a there are normal fungi and archaea that live in the gut G Beginning to find out that microbiota is a whole new system 1 It is not them and us 2 Another system like respiratory system 3 System is unique bc the microbes on arms are different than the microbes on forehead 4 They have niches they evolve to we are them they are us H Important bc microbiome organ 1 Has to be feed 2 Kept healthy and loving us 3 Studies show a Microbiota from lean people and those who are obese were put into mice 1 Mice ate the same things content and energy 1 b c d e 2 Mice that got lean microbiota stayed lean and those with the obese microbiota got fat even though all mice ate same amount and calorie content a Calories in and out are the same are wrong it is our microbiota b When you breast feed a child only reason why child can take nutrition from breastmilk is bc there are microbes in gut that break milk down into useable nutritional packets that the child could not have absorbed unless there were bacteria in there that come w the breastmilk from the nipple as your breastfeeding and as your touching child that infuses into childs gut so that it can utilized breastmilk so that they can break it down and grow and



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