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MICROBIOLOGYBIOS-246015. Relate the roles of vectors and fomites to the transmission of infectiousagents16. List several symptoms or characteristics of a local infection17. Explain the significance of the expression P = NV R18. Define bacteremia, septicemia, pyemia and focal infection19. Contrast innate resistance and nonsusceptibility20. Discuss acquired immunity21. Provide examples of the physical and chemical barriers used by thehuman body to curtail infections22. Differentiate between active acquired immunity and passive acquiredimmunity23. Differentiate between humoral immunity and cell mediated immunity24. Describe the properties of antigens, haptens and adjuvants25. Identify several kinds of antibodies26. Explain why the antigenic composition of the influenza viruses isimportant in the preparation of an effective vaccine27. Discuss any beneficial aspects of inflammation28. List several hypersensitive reactions29. Discuss the use of in-vitro antibody-antigen reactions30. Discuss the roles of the various blood components31. List and describe three major kinds of immunodeficiency diseases32. Explain why resistance to infection is regarded as only one aspect ofthe immune system33. Provide the values of various intracutaneous diagnostic tests34. List examples of disease production by nonparasitic microbes35. Describe the responses of the human body to a local infection thatlater generalizes and spreads throughout the entire body36. List any desirable or undesirable effects urbanization has in regard to18