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5 Written questions

5 Matching questions

  1. infectious agents
  2. transovarial transmission
  3. synergism
  4. seropositive
  5. virulence
  1. a extreme harmfulness (as the capacity of a microorganism to cause disease)
  2. b the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects
  3. c animals with detectable antibodies
  4. d when the infection is transmitted by stages from generation to generation of ticks
  5. e any type of pathogens that can cause a disease

5 Multiple choice questions

  1. toxin that is secreted by microorganisms into the surrounding medium
  2. a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
  3. Body coverings
  4. a disease that can pass from animals to humans
  5. a disease spreading quickly among animals

5 True/False questions

  1. toxoida disease that can pass from animals to humans


  2. mechanical transmissionThe transmission of a pathogen from one host to another when the pathogen reproduces in the vector.


  3. intrinsic factor•natural substance normally found present in the stomach essential to the metabolism of vitamin B 12 .


  4. pathogenany disease-producing agent (especially a virus or bacterium or other microorganism)


  5. pathogenicitya property of molecules to which an adaptive immune response can be generated


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