Miramar College Biology 205 Microbiology Midterm Exam II Study Guide These learning objectives are intended as a study guide. This is not necessarily a complete guide and as such is not intended to be the sole source of your studies. You should use your notes, text, lab manuals, and other resources in order to make sure that you are fully prepared for your exam. Define the following terms: s pathology s etiology s pathogenesis s infection s host s disease s normal flora/microbiota s infectious s immunocompromised s predisposing factors s bacteremia s septicemia s toxemia s primary infection s secondary infection s epidemiology s herd immunity s mutualism s parasitism s opportunistic pathogens s communicable s non-communicable s acute s chronic s subacute s endemic s epidemic s pandemic s bacteriolytic s bacteriostatic s bactericidal s MIC s MBC 1. List and explain the steps in Koch's postulates, and their significance to epidemiology. Why do exceptions to Koch's postulates exist, but not negate its validity? 2. Describe the different ways that the spread of infectious disease may occur. 3. Relate preferred portal of entry and ID 50 to the likelihood of infection. 4.
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