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5 Written questions

5 Matching questions

  1. Viruses with animal vectors
  2. Vaccines available
  3. Most common endemic hosts around the world
  4. Symptoms of hemorrhagic fevers caused by lassa, Ebola
  5. Negri bodies
  1. a Rabies
  2. b bats
  3. c Yellow fever → for humans, live/attenuated virus
    WEE, EEE, VEE → for horses, not humans
  4. d Severe hemorrhage due to viral cytopathic effect in the vascular endothelium
  5. e Eosinophilic cytoplasmic inclusion body found in nerves and characteristic of rabies

5 Multiple choice questions

  1. Mosquitoes to humans and back to mosquitoes
    -humans are considered endemic hosts
  2. -rabdovirus
    -Causes encephalitis
    - primary vectors are skunks, raccoons, foxes, bats, and dogs
  3. In most cases the endemic host animal is not killed by the virus; however rabies virus is the exception
    -viruses can be highly legal to humans
  4. Occurs when the virus is maintained between the mosquito and humans without another animal reservoir middleman. Something that could be maintained in an entirely urban area.
    -Examples = yellow fever and dengue virus
  5. -Arthropod borne
    -can be transmitted by bloodsucking arthropods including tics, sand flies, and mosquitoes

5 True/False questions

  1. Role of the immune system in the pathogenesis of dengue hemorrhagic feverLiver disrupts production of clotting factors leading to bleeding
    -black vomit can also be seen


  2. 2 main animal borne viruses in the USRabies
    sin nombre


  3. Number of known survivors from rabiesControl exposure to vector


  4. sylvan cycle for yellow fever-Multiple reservoirs
    -mosquitoes to birds, snakes, and rodents then back to mosquitoes
    -animals serve as the winter reservoir
    -humans and horses are dead end, tangential, or incidental hosts


  5. dead end or incidental hostsThe incidence of infection is much higher than the number of people that develop clinical symptoms
    -for every person that develops West Nile encephalitis there are approximately 150 people who are infected


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