Introduction to Cestodes in Medical Helminthology
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Questions and Answers

What is the region of growth in tapeworms, from where the body segments are continuously generated?

  • Gravid segments
  • Trunk
  • Mature segments
  • Neck (correct)
  • Which part of the tapeworm contains both male and female sex organs?

  • Trunk
  • Mature segments (correct)
  • Immature segments
  • Gravid segments
  • In which segments of tapeworms are the reproductive organs not well-developed?

  • Immature segments (correct)
  • Trunk
  • Mature segments
  • Gravid segments
  • Which host serves as the definitive host for most tapeworms that cause human infection?

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

    What is an important exception regarding tapeworm infections?

    <p>Dog is the definitive host</p> Signup and view all the answers

    Which part of the tapeworm lacks a body cavity and alimentary canal?

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

    What is the organ of attachment to the intestinal mucosa of the definitive host in cestodes?

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

    What symptoms do infected persons with intestinal cestodes often experience?

    <p>Diarrhea and abdominal pain</p> Signup and view all the answers

    In parasites of the order Cyclophyllidea, what structure does the scolex possess for attachment?

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

    In which host do the larval stages of Taenia solium lodge, causing serious illness when they develop in critical areas like the brain or eyes?

    <p>Intermediate host</p> Signup and view all the answers

    What may develop in persons infected with Diphyllobothrium latum?

    <p>Intestinal obstruction and vitamin B12–induced macrocytic anemia</p> Signup and view all the answers

    What is the function of the rostellum in Taenia solium?

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

    How are parasites of the order Pseudophyllidea different in their attachment compared to Cyclophyllidea?

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

    Which organ involvement is common in persons infected with Echinococcus granulosus?

    <p>Liver and lung</p> Signup and view all the answers

    Which part of a cestode worm consists of a trunk (strobila)?

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

    What serious allergic response, which may be fatal, can develop under appropriate conditions?

    <p>Anaphylactic shock</p> Signup and view all the answers

    How do Cestodes attach to the intestine of the host in the order Pseudophyllidea?

    <p>Possessing bothria</p> Signup and view all the answers

    What symptom may patients infected with intestinal cestodes NOT commonly complain of?

    <p>Joint pain</p> Signup and view all the answers

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