Echinostoma Trivolvus Parasitology Quiz
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Questions and Answers

What is the characteristic of the oral sucker in Echinostoma trivolvus?

  • It has a collar of large spines (correct)
  • It has a collar of small spines
  • It has no collar of spines
  • It has a collar of branched spines
  • What is the size of the eggs of Echinostoma trivolvus?

  • 60-90 x 130-150 micrometers
  • 130-150 x 60-90 micrometers (correct)
  • 80-120 x 45-60 micrometers
  • 45-60 x 80-120 micrometers
  • Where do adult Paragonimus westermani worms occur in the body?

  • In the intestines
  • In the liver
  • In the bile ducts
  • In the lungs (correct)
  • What is the location of the ventral sucker in Clonorchis sinensis?

    <p>In the anterior one-third of the body</p> Signup and view all the answers

    What is a characteristic of the eggs of Paragonimus sp.?

    <p>They have distinct shoulders</p> Signup and view all the answers

    What is a key distinguishing feature between Fasciolopsis buski and Fasciola hepatica?

    <p>The presence of a 'snout' in Fasciola hepatica</p> Signup and view all the answers

    What is the host of Clonorchis sinensis in some Asiatic countries?

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

    Where do adult Fasciola hepatica worms typically live in their host?

    <p>In the gall bladder and bile ducts</p> Signup and view all the answers

    Why is Fasciola hepatica not native to the Western hemisphere?

    <p>It was introduced two or three hundred years ago</p> Signup and view all the answers

    What is a characteristic feature of the intestinal cecae of Fasciolopsis buski?

    <p>They are unbranched</p> Signup and view all the answers

    What is a consequence of Fasciola hepatica maturation in the liver?

    <p>It causes pronounced liver damage</p> Signup and view all the answers

    Which of the following is NOT a characteristic of adult Fasciola hepatica?

    <p>Unbranched intestinal cecae</p> Signup and view all the answers

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