Schistosomiasis Life Cycle
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Questions and Answers

What is the morphology of female Schistosoma adults?

  • Long and thin (correct)
  • Short and wide
  • Oval-shaped
  • Round and flat

    • Which of the following is responsible for the pathology associated with Schistosoma infections?

  • Eggs (correct)
  • Cercariae
  • Miracidia
  • Adult flukes

    • Which intermediate host is responsible for the transmission of Fasciolopsis buski?

  • Crab
  • Freshwater snail (correct)
  • Fish
  • Crustacean

    • What is the disease caused by Schistosoma haematobium?

    <p>Urinary schistosomiasis</p> Signup and view all the answers

    Which of the following is NOT a reservoir for Schistosoma spp?

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

    What is the diagnostic stage of Schistosoma spp?

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

    What is the main function of suckers in Strongyloides adult worms?

    <p>Attachment to host tissue</p> Signup and view all the answers

    How many eggs can a Strongyloides female produce per day?

    <p>200,000</p> Signup and view all the answers

    What is the characteristic of the body of Nematodes?

    <p>Elongated, cylindrical, smooth, and unsegmented</p> Signup and view all the answers

    What is the main difference between Intestinal Nematodes and Tissue Nematodes?

    <p>Location of adult worms in the body</p> Signup and view all the answers

    How do Nematodes typically infect humans?

    <p>By eating uncooked meat with larvae in it</p> Signup and view all the answers

    How are diseases caused by Intestinal Nematodes typically diagnosed?

    <p>By identifying characteristics of eggs in stool</p> Signup and view all the answers

    What is the diagnostic stage of Fasciolopsiasis?

    <p>Eggs in stool</p> Signup and view all the answers

    What is the characteristic feature of the anterior end of Fasciola hepatica?

    <p>A prominent cephalic cone</p> Signup and view all the answers

    How is Fasciolopsis buski typically transmitted to humans?

    <p>By ingestion of metacercariae on aquatic plants</p> Signup and view all the answers

    What is the common name of the disease caused by Paragonimus westermani?

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

    What is the first intermediate host of Fasciola spp?

    <p>Lymnea philippinensis (snail)</p> Signup and view all the answers

    What is the characteristic feature of the egg of Fasciola gigantica?

    <p>It is larger but very similar to Fasciola hepatica</p> Signup and view all the answers

    How do humans typically get infected with Paragonimus westermani?

    <p>By ingesting raw or insufficiently cooked crabs</p> Signup and view all the answers

    What is the characteristic feature of the adult worm of Fasciolopsis buski?

    <p>It is covered with spines</p> Signup and view all the answers

    What is the disease caused by Fasciola spp?

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

    What is the characteristic feature of the intestinal caeca of Fasciolopsis buski?

    <p>They are unbranched and reach up to the posterior end</p> Signup and view all the answers

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