Ketzis Cyclophyllidea Cestodes Proglottids Photo Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

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

Flashcards

Cestodes Feature

Flat body lacking a body cavity, characteristic of Cestodes.

Cyclophyllidea Larvae Purpose

Larvae's key task is to develop within the intermediate host.

Taenia solium Final Host

Humans serve as the final host in the life cycle of Taenia solium.

Adult Cestodes Location

Adult Cyclophyllidea Cestodes typically reside in the intestines of the final host.

Signup and view all the flashcards

Cestodes Larval Impact

Larval stages of Cestodes can cause significant damage, especially in humans.

Signup and view all the flashcards

Egg Consumer

The intermediate host consumes the eggs released from proglottids.

Signup and view all the flashcards

Taenia solium Proglottids

Proglottids of Taenia solium are located in the feces of humans.

Signup and view all the flashcards

Larvae Purpose

Larvae of Cyclophyllidea Cestodes primarily form a scolex.

Signup and view all the flashcards

Cestodes Purpose

Adults reproduce and larvae spread eggs.

Signup and view all the flashcards

Adult T. solium Location

The adult cestode is found in the intestine.

Signup and view all the flashcards

Adult T. solium Function

Adult T. solium produces eggs in the small intestine, which are then passed in feces.

Signup and view all the flashcards

Oncosphere Consumption Effect

Clinical signs appear in the final host.

Signup and view all the flashcards

Taenia solium Hosts

Humans serve as the final hosts for Taenia solium.

Signup and view all the flashcards

Dead-End Host

Humans are the dead-end host if they acquire the larval stage of Taenia solium.

Signup and view all the flashcards

Life Stage Significance

Wrong stage/host means difficulty in infecting new hosts and causing disease.

Signup and view all the flashcards

Taenia saginata Final Host

Cattle serve as the intermediate host for Taenia saginata.

Signup and view all the flashcards

Taenia solium Infection

Infected humans experience an itchy rear end.

Signup and view all the flashcards

T. solium Larvae

It leads to an itchy rear end.

Signup and view all the flashcards

Taenia solium Host

Taenia solium primarily affects the final host clinically.

Signup and view all the flashcards

Cestodes Infection

Final hosts ingest infected intermediate hosts.

Signup and view all the flashcards

Cestodes Characteristics

Helps differentiate between Taenia and Echinococcus species.

Signup and view all the flashcards

Cyclophyllidea Cycle

They exhibit an indirect life cycle.

Signup and view all the flashcards

Host Eating Host

Completes the parasite's life cycle.

Signup and view all the flashcards

Organs of Attachment

They anchor the parasite to the host's intestines.

Signup and view all the flashcards

Cestodes Distinction

Number of intermediate hosts required.

Signup and view all the flashcards

Cestodes Eggs

Presence of a ciliated oncosphere.

Signup and view all the flashcards

Proglottids Distinction

External fringe presence.

Signup and view all the flashcards

Cestodes Survival

Attachment using suckers.

Signup and view all the flashcards

Strobila Role

The strobila provides growth and development of the tapeworm.

Signup and view all the flashcards

Related Documents

Introduction To Cestodes PDF
Use Quizgecko on...
Browser
Browser