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5 Written questions

5 Matching questions

  1. natural immunity
  2. exotoxin
  3. vector competence
  4. pathogen
  5. active immunity
  1. a any disease-producing agent (especially a virus or bacterium or other microorganism)
  2. b immunity to disease that occurs as part of an individual's natural biologic makeup
  3. c toxin that is secreted by microorganisms into the surrounding medium
  4. d ability of a vector to acquire a pathogen and to successfully transmit it to another susceptible host
  5. e a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens

5 Multiple choice questions

  1. a population survey using serologic test to screen for exposure and immunity to an infectious disease
  2. a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin
  3. Animal version of pandemic.
  4. •The transmission of microorganisms between generations of hosts via the eggs
  5. relating to the stage in the development of a disease before the symptoms are observed

5 True/False questions

  1. cold-chaina toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die

          

  2. retrospective studystudy 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

          

  3. prevalencethe number of existing cases of a disease

          

  4. morbiditythe ratio of deaths in an area to the population of that area

          

  5. epidemiological triada population survey using serologic test to screen for exposure and immunity to an infectious disease

          

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