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 (D)</p> Signup and view all the answers

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

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

How do nitroso compounds contribute to the development of cholangiocarcinoma?

<p>Cause DNA damage and potential carcinogenesis (B)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>Fasciola (A)</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 (A)</p> Signup and view all the answers

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

<p>Fascioliasis (C)</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 (D)</p> Signup and view all the answers

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

<p>Biliary duct (A)</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 (C)</p> Signup and view all the answers

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

<p>Pond snail (C)</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 (B)</p> Signup and view all the answers

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

<p>Miracidia (A)</p> Signup and view all the answers

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