MIC 541-Exam 5-Virology 21

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kyleannkelsey
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218504
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MIC 541-Exam 5-Virology 21
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2013-05-08 03:03:00
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MIC 541 Exam Virology 21
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MIC 541-Exam 5-Virology 21
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  1. How many Arboviruses are there?
    400 known
  2. What type of virus makes up a substantial number of Arboviruses?
    Flavivirus
  3. What are the general type so of illness caused by Arboviruses?
    • Mild
    • Some cause encephalitis
    • Some cause life threatening hemorrhagic fever
  4. What types of Arthropods spread viruses commonly?
    • Ticks
    • Mosquitoes
    • fleas
    • Gnats
  5. What are Arboviruses that are also Flaviviruses?
    • Dengue virus
    • Japanese encephalitis virus
    • St. Louis encephalitic virus
    • West Nile virus
    • Yellow fever virus
  6. What are Arboviruses that are also Togaviruses?
    • Eastern and Western equine encephalitis virus
    • Ross river virus
  7. What are Arboviruses that are also Reoviruses?
    Colorado tick fever virus
  8. What is an Arbovirus and a Bunyavirus?
    California encephalitis virus
  9. What type of virus is California encephalitis virus?
    Bunyavirus and Arbovirus
  10. What is a Reovirus and an Arbovirus?
    Colorado tick fever virus
  11. What is an Arbovirus and a Togavirus?
    • Eastern and Western equine encephalitis virus
    • Ross River virus
  12. What is a Flavavirus and an Arbovirus?
    • Dengue fever
    • West Nile virus
    • Yellow fever virus
    • Japanese encephalitis virus
    • St. Louis encephalitis virus
  13. Arbovirus lifecycles are closely tied to what?
    The vector's lifecycle
  14. Where do vectors and viruses tend to be clusterd geographically?
    Tropics
  15. Where are epidemics of Arboviruses that are not usually common found geographically?
    Temperate areas
  16. When do Arboviruses show a peak incidence?
    When the vector is actively feeding and reproducing
  17. What can humans serve as in the lifecycle of Arboviruses?
    • Dead end accidental hosts
    • Maintenance reservoirs
  18. How do you control Arboviruses?
    Control the vector
  19. Where is Dengue fever found geographically?
    • South America
    • Central America
    • Africa
    • India
    • Eastern Asia
  20. Where is Yellow fever mostly found geographically?
    • Asia/China
    • Africa
    • South and central America
  21. Where is West Nile virus found?
    • North and Central America
    • Europe
    • Africa
  22. Where is St. Louis encephalitis found?
    North America
  23. What are the symptoms of an acute arbovirus infection?
    • Undifferntiated mild fever with rash
    • No long term effects
    • Headache
    • Myalgia
    • joint stiffness
  24. What are the symptoms of viral encephalitis?
    • Brain, meninge and spinal cord involvement
    • Convulsions
    • Tremor
    • Paralysis
    • Loss of coordination/memory
    • Changes in speech/personality
    • coma

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