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5 Written Questions

5 Matching Questions

  1. attack rate
  2. convalescent carrier
  3. epizootic
  4. vector competence
  5. mechanical transmission
  1. a type of incidence rate defined as the proportion of persons exposedto an agent who develops the disease, usually for a limited time in a specific population
  2. b indirect transmission by a vector in which the infectious agent does not undergo physiologic changes inside the vector
  3. c a disease spreading quickly among animals
  4. d ability of a vector to acquire a pathogen and to successfully transmit it to another susceptible host
  5. e An individual capable of transmitting an infectious agent to others during the incubation period of the disease

5 Multiple Choice Questions

  1. study that begins with the identification of persons with the disease and a suitable comparison (control) group of persons without the disease, then compares the diseased and nondiseased with reguard to the frequency of exposure to study factor
  2. Body coverings
  3. Chemical barriers, physical barriers, & sterile males
  4. non membrane bound nucleus
  5. agent, host, environment

5 True/False Questions

  1. antigenicitya property of molecules to which an adaptive immune response can be generated


  2. reservoiranything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies


  3. endotoxina toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die


  4. toxoidan animal or plant that nourishes and supports a parasite


  5. incubatory carriera person infected with a pathogenic microorganism but with no symptoms of the infection


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