Fascioliasis Prevention and Control Strategies Quiz
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Questions and Answers

What is the best preventive measure against fascioliasis?

  • Avoidance of contaminated liver
  • Eating processed liver products
  • Proper washing and cooking of water plants (correct)
  • Cultivation of aquatic vegetables
  • Under the One Health initiative, who plays a crucial role in controlling Fasciola infections in humans?

  • Doctors
  • Food handlers
  • Sanitation workers
  • Veterinarians (correct)
  • Which phase of fascioliasis is characterized by larval migration?

  • Chronic phase
  • Intermediate phase
  • Acute phase (correct)
  • Latent phase
  • T/F: Fasciola infections can be treated with praziquantel.

    <p>False</p> Signup and view all the answers

    What is the primary cause of liver fluke-induced cholangiocarcinoma?

    <p>Chronic inflammation</p> Signup and view all the answers

    How do nitroso compounds contribute to the development of cholangiocarcinoma?

    <p>Cause DNA damage and potential carcinogenesis</p> Signup and view all the answers

    What is the direct relationship between liver fluke infections and cholangiocarcinoma?

    <p>Liver fluke infections increase the risk of cholangiocarcinoma</p> Signup and view all the answers

    How do excretory and secretory parasite products contribute to the development of cholangiocarcinoma?

    <p>Contribute directly and indirectly in producing NO and oxygen radicals</p> Signup and view all the answers

    Which genus of liver fluke includes F.hepatica and F.gigantica?

    <p>Fasciola</p> Signup and view all the answers

    Where is F.hepatica, the temperate liver fluke, most commonly found?

    <p>Europe, Middle East, and Andean regions</p> Signup and view all the answers

    What is the most important helminth infection in cattle according to the text?

    <p>Fascioliasis</p> Signup and view all the answers

    What is the size range of an adult Fasciola?

    <p>7 cm long and 1.5 cm wide</p> Signup and view all the answers

    In which part of the body do adults produce and release unembryonated eggs?

    <p>Biliary duct</p> Signup and view all the answers

    How long does it usually take for metacercariae to mature into adult flukes after ingestion in humans?

    <p>3-4 months</p> Signup and view all the answers

    Which is the first intermediate host for the miracidia of Fasciola?

    <p>Pond snail</p> Signup and view all the answers

    Where do miracidia undergo several developmental stages after invading the first intermediate host?

    <p>In the pond snail</p> Signup and view all the answers

    What is the infective stage for snails in the life cycle of Fasciola?

    <p>Miracidia</p> Signup and view all the answers

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