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- 9. Describe the infection's source and how it spread.1. Mucous membranes are barriers against colonization and growthof microorganisms. However, mucous membranes, for examplein the mouth and gut, are colonized with a variety of differentmicroorganisms, some of which are potential pathogens. Explainhow these potential pathogens are controlled under normalcircumstances. Then describe at least one set of circumstances thatmight encourage pathogenicity.1 - Define the term pathogen. a) Using MRSA, NOROVIRUS, ATHLETES FOOT and MALARIA as examples, identify the microorganisms (causal agent) involved in each disease. b)Provide some information on the microorganism for each disease e.g. structure C) Discuss 3 routes of entry that disease causing organisms use to enter the body.
- 1.) Why is boiling water not a recommended sterilization method? 2.) List examples of transfusion-transmitted infections. How are these infections prevented?1. What are the six components of the chain of infection? How does each component affect the cycle of the chain of infection? 2. Give a short list of the different ways on how to transmit a certain disease. Provide an example for each. 3. Why do you think proper handwashing is extremely important? 4. How are hazardous materials classified? What is NFPA and its functions?3. What host characteristics influence the development of infection?
- 2- Explain the infection cycle.?1. What are the signs and symptoms of the disease? Give examples from the case that appear to be the most diagnostically significant. 2. What is the importance of a Gram stain in the diagnosis of an infection like this?1. What is the the mechanisms that Pseudomonas aeruginosa, Staphylococcus aureus,Propionibacterium acnes and Streptococcus pyogenes utilize to cause disease on skin and in the eyes?