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Sample Exam 3 - General Microbiology Examination 3 Version...

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General Microbiology - Examination 3 Version F MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Pathology I. only deals with infectious diseases II. is the study of how disease transmitted III. is the scientific study of disease IV. deals with etiology and pathogenesis V. is a branch of the science of epidemiology VI. only studies nosocomial infections VII. is the scientific study of where and how frequently disease occurs A) I, III and V only B) III, V, VII only C) I, II, III, IV D) II, IV, VI and VII E) III and IV only 2) A plasma cell I. produces blood plasma II. secretes antibodies into circulation III. is part of the second line of defense in innate immunity IV. differentiates into a memory cell V. manufactures specific antibodies VI. is a cell that an activated B cell differentiates into VII. releases perforin and granzyme to destroy virally infected cells 3) Normal microbiota I. stimulate the overgrowth of harmful microbes II. can benefit us III. refers to the microorganisms that colonize a host without causing disease IV. are also called normal flora V. can cause disease when they leave their habitat 1
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4) Opportunistic pathogens I. are microbes that can become pathogenic under certain circumstances II. ordinarily cause disease in their normal habitats III. begin as commensalistic or mutualistic relationships but then turn parasitic IV. are not in symbiosis with their host V. always provide a benefit to their host VI. are microorganisms that do not ordinarily cause disease VII. usually affect healthy people with strong immune systems 5) Epidemiology I. is the study of the causes of disease II. is the science that studies when and where a disease occurs and how it is transmitted III. is composed of Descriptive, Analytical and Experimental Epidemiology IV. is the science that studies skin infections V. is the science that studies how disease develops VI. began with investigations by John Snow, Ignaz Semmelweis and Florence Nightingale VII. is the scientific study of diseases A) II, V and VI B) II, III and VI C) II, IV, VI and VII D) I, IV and VII E) III only
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