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

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

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

Where are the proglottids located in Taenia solium?

<p>Feces of humans (B)</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 (A)</p> Signup and view all the answers

What is the purpose of adults and larvae in Cestodes?

<p>To reproduce and spread eggs (D)</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 (D)</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 (A)</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 (D)</p> Signup and view all the answers

In Taenia solium, who are the final hosts?

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

Which host serves as the final host for Taenia saginata?

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

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

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

Which host does Taenia solium primarily affect clinically?

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

How do final hosts typically become infected with Cyclophyllidea Cestodes?

<p>Ingestion of infected intermediate hosts (A)</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. (A)</p> Signup and view all the answers

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

<p>Indirect life cycle (B)</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 (A)</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 (D)</p> Signup and view all the answers

Which feature distinguishes between Cestodes like Cyclophyllidea and Pseudophyllidea?

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

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

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

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

<p>Attachment using suckers (B)</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 (A)</p> Signup and view all the answers
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