Tapeworm Larval Stages
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Questions and Answers

What is the most common route of infection for human sparganosis?

  • Consumption of raw or undercooked fish
  • Inhalation of contaminated dust particles
  • Direct contact with infected amphibians
  • Consumption of water contaminated with cyclops copepods (correct)
  • Which tapeworm larvae can cause human sparganosis?

  • Plerocercoid larvae of Taenia solium
  • Plerocercoid larvae of diphyllobothriid tapeworms (correct)
  • Procercoids of Echinococcus granulosus
  • Procercoids of Diphyllobothrium latum
  • Which tapeworm species' larvae are found inside Cyclops in stagnant ponds and lakes?

  • Taenia solium
  • Echinococcus granulosus
  • Diphyllobothrium latum (correct)
  • Hymenolepis nana
  • Which tapeworm larvae can be found in fish, amphibians, and reptiles as plerocercoids?

    <p>Plerocercoids of Spirometra tapeworms</p> Signup and view all the answers

    What is the most common cause of infection for campers and backpackers with tapeworm larvae?

    <p>Drinking contaminated waters</p> Signup and view all the answers

    Human sparganosis is caused by plerocercoid larvae of diphyllobothriid tapeworms of the genus Spirometra.

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

    The larvae of H. nana commonly infect humans and are a major cause of tapeworm-related illnesses.

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

    The life cycle of Spirometra matches that of Diphyllobothrium latum.

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

    The infective stages of tapeworm larvae can only be found as plerocercoids in fish, amphibians, and reptiles.

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

    Drinking water contaminated with cyclops copepods is the most common route of infection for tapeworm larvae.

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

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