MIC 541-Exam 5-Parisitology 12

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kyleannkelsey
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218366
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MIC 541-Exam 5-Parisitology 12
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2013-05-07 17:12:50
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MIC 541 Exam Parisitology 12
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MIC 541-Exam 5-Parisitology 12
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  1. Where are the gonads of Cestodes located?
    • In the proglottids
    • Each proglottids contains each gonad
  2. How many intermediate hosts do Tapeworms require?
    1-2
  3. How do humans acquire Cestode infections?
    By eating meats that contain cysts
  4. Describe the lifecycle of Cestode:
    • Human feces
    • Ingested by intermediate host
    • Cysts form in intermediate hosts muscles
    • Humans eat infected meats
  5. What are the symptoms of a tapeworm infection?
    • Mostly asymptomatic
    • Others = gastric upset, nauseas, diarrhea, weight loss
  6. Why do Cestodes have low incidence in the U.S.?
    Good sanitation
  7. How do people prevent Cestode infections in areas with poor sanitation?
    Monthly purgatives
  8. What do you use to treat Cestode infections?
    • Niclosamide
    • Praziquantel
  9. What would you use Niclosamide and Praziquantel to treat?
    Cestode infection
  10. What example was given of a Cestode?
    Taenia saginata
  11. What type of parasite is Tania saginata?
    Helminth-Cestode
  12. What is the common name for Tania saginata?
    beef tapeworm
  13. What is one of the most common causes of Cestode infection in the U.S. and worldwide?
    Tania saginata (beef tapeworm)
  14. How do you acquire Tania saginata?
    Not fully cooking beef before ingestion
  15. How large are adult Tania saginata?
    4-6 meters
  16. What is another term for Flukes?
    Trematodes
  17. What is another term for Flukes?
    Trematodes
  18. Describe the morphology of Trematodes:
    • Flat
    • Leaf shaped
    • 2 suckers for attachment
    • Motile
  19. Describe the digestive tract of Flukes:
    Oral to blind ended sacks
  20. Describe the reproductive tract of Trematodes:
    Mostly Hermaphroditic
  21. What are the intermediate hosts for Trematodes?
    Snails
  22. Snails are the intermediate hosts for what parasite?
    Trematodes

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