Classification and Characteristics of Helminths
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Questions and Answers

What is the defining characteristic of the body structure of Platyhelminthes Class Cestoda?

  • The body is dorsoventrally flattened
  • The body is heavily segmented
  • The body consists of three portions
  • All of the above (correct)

What is the final or definitive host for the life cycle of Taenia saginata?

  • Buffalo
  • Man (correct)
  • Cattle
  • Cysticercus bovis

What is the infective stage of Taenia saginata for man?

  • Gravid proglottids
  • Larval stage (Cysticercus bovis) (correct)
  • Eggs
  • Mature proglottids

What is the habitat of Taenia saginata?

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

What is the distinguishing morphological feature of Taenia saginata compared to other Taenia species?

<p>Larger and longer body with more proglottids (A)</p> Signup and view all the answers

How does Taenia saginata derive nutrients from the host?

<p>By absorbing nutrients directly through the tegument cells (D)</p> Signup and view all the answers

What is the shape of cestodes?

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

Which of the following is true about the head end of cestodes?

<p>Suckers are present; some have attached hooks (B)</p> Signup and view all the answers

What type of body cavity do cestodes have?

<p>Absent, filled with spongy undifferentiated mesenchymatous cells (B)</p> Signup and view all the answers

Which alimentary canal characteristic describes cestodes?

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

In what way are cestodes different from trematodes?

<p>Segmented vs. leaf-like shape (B)</p> Signup and view all the answers

What is the reproductive nature of most cestodes?

<p>(Monoecious) Hermaphrodites (B)</p> Signup and view all the answers

Which of the following is a characteristic of cestodes like Taenia saginata?

<p>Their body is ribbon-like and flattened. (B)</p> Signup and view all the answers

What is the definitive host for Taenia saginata?

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

Which of the following statements about Taenia saginata is true?

<p>It is a cestode. (D)</p> Signup and view all the answers

What is the maximum reported length of an adult Taenia saginata?

<p>Over 22 meters (B)</p> Signup and view all the answers

Which of the following is the intermediate host for Taenia saginata?

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

Taenia saginata is considered a:

<p>Zoonotic disease (B)</p> Signup and view all the answers

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