Parasitic Worms Identification

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Questions and Answers

What is the primary function of the metacercaria stage in the life cycle of trematodes?

  • To undergo metamorphosis in the intermediate host
  • To produce eggs that are released into the environment
  • To infect the definitive host (correct)
  • To migrate to the liver of the host

Which of the following species is NOT a type of fluke?

  • Fasciola hepatica
  • Schistosoma spp.
  • Paragonimus westermani
  • Diphyllobothrium latum (correct)

What is the primary host for the species Clonorchis sinensis?

  • Snail
  • Human (correct)
  • Crab
  • Fish

Which of the following characteristics is NOT diagnostic for the species Echinococcus sp.?

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

Which of the following is a common intermediate host for trematodes?

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

What is the primary role of the intermediate host in the life cycle of trematodes?

<p>To facilitate the development of the cercaria stage (C)</p> Signup and view all the answers

Which of the following species is characterized by the presence of a cercaria stage in its life cycle?

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

What is the distinct feature of the genus Diphyllobothrium?

<p>It has a pseudophyllidean body shape (C)</p> Signup and view all the answers

Which of the following parasitic worms is NOT a type of nematode?

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

What is the primary diagnostic feature of the species Paragonimus westermani?

<p>Unique egg shape and size (A)</p> Signup and view all the answers

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