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

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

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

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

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

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

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

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

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

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

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