Ketzis Cyclophyllidea Cestodes Proglottids Photo Quiz
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Questions and Answers

What is the characteristic feature of Cestodes?

  • Flat body without a body cavity (correct)
  • Round body with an alimentary canal
  • Long body with wings for locomotion
  • Triangular body with a body cavity
  • What is the purpose of larvae in Cyclophyllidea Cestodes?

  • Damage to the final host
  • Development in the intermediate host (correct)
  • Reproduction
  • Locomotion
  • In the life cycle of Taenia solium, which host serves as the final host?

  • Cats
  • Humans (correct)
  • Pigs
  • Dogs
  • Where are the adults of Cyclophyllidea Cestodes usually located in the final host?

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

    What is the clinical relevance of larval stages, especially in humans, in Cestodes?

    <p>Can cause damage</p> Signup and view all the answers

    Which organism consumes the eggs released from proglottids in the life cycle of Cyclophyllidea Cestodes?

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

    Where are the proglottids located in Taenia solium?

    <p>Feces of humans</p> Signup and view all the answers

    What is the main purpose of the larvae in the life cycle of Cyclophyllidea Cestodes?

    <p>To form a scolex</p> Signup and view all the answers

    What is the purpose of adults and larvae in Cestodes?

    <p>To reproduce and spread eggs</p> Signup and view all the answers

    In the life cycle of Taenia solium, where is the adult cestode found in the final host?

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

    What is the primary purpose of adult T. solium in the small intestine of humans?

    <p>To produce eggs that are passed in feces</p> Signup and view all the answers

    What can happen if the intermediate host consumes the oncosphere of Taenia solium?

    <p>Clinical signs in the final host</p> Signup and view all the answers

    In Taenia solium, who are the final hosts?

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

    Which host is considered a dead-end host if it acquires the larval stage of Taenia solium?

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

    What is the significance of having the wrong life stage in the wrong host for Taenia solium?

    <p>Chance of infecting new hosts and causing disease</p> Signup and view all the answers

    Which host serves as the final host for Taenia saginata?

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

    What is the clinical manifestation observed in humans infected with Taenia solium as adults?

    <p>Itchy rear end</p> Signup and view all the answers

    What happens if a person eats undercooked pork containing T. solium larvae?

    <p>Itchy rear end</p> Signup and view all the answers

    Which host does Taenia solium primarily affect clinically?

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

    How do final hosts typically become infected with Cyclophyllidea Cestodes?

    <p>Ingestion of infected intermediate hosts</p> Signup and view all the answers

    What is the significance of identifying the key characteristics of Cestodes?

    <p>Distinguishing between Taenia spp. and Echinococcus spp.</p> Signup and view all the answers

    Regarding Cyclophyllidea Cestodes, what type of life cycle do they exhibit?

    <p>Indirect life cycle</p> Signup and view all the answers

    What is the significance of final host eating the intermediate host in the life cycle of Taenia solium?

    <p>Completes the parasite's life cycle</p> Signup and view all the answers

    What is the purpose of the organs of attachment associated with the scolex in Cestodes like tapeworms?

    <p>Anchoring to the host's intestines</p> Signup and view all the answers

    Which feature distinguishes between Cestodes like Cyclophyllidea and Pseudophyllidea?

    <p>Number of intermediate hosts required</p> Signup and view all the answers

    What is the main difference between the eggs of Cestodes with one intermediate host and those with two intermediate hosts?

    <p>Presence of a ciliated oncosphere</p> Signup and view all the answers

    In terms of morphology, what distinguishes the proglottids of different Cestodes?

    <p>External fringe presence</p> Signup and view all the answers

    Which feature is crucial for the survival of Cyclophyllidea Cestodes inside their hosts?

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

    What role does the strobila play in the life cycle of tapeworms like Taenia solium?

    <p>Growth and development</p> Signup and view all the answers

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