Classification of Platyhelminthes and Nemathelminthes
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Questions and Answers

Which type of worms are characterized by the presence of flukes and tapeworms?

  • Nemathelminthes
  • Roundworms
  • Tissue worms
  • Platyhelminthes (correct)

    • What is the definitive host for hemaphroditic flukes?

  • Fish
  • Crustacean
  • Vegetable
  • Mammal (correct)

    • How is schistosomiasis primarily transmitted to humans?

  • Mosquito bite
  • Through ingestion of contaminated food
  • By skin penetration during swimming (correct)
  • Airborne transmission

    • Which type of tapeworm results from the ingestion of raw fish?

    <p>Diphyllobothrium latum</p> Signup and view all the answers

    What is the mode of transmission for Enterobius vermicularis (pinworm)?

    <p>Hand to mouth</p> Signup and view all the answers

    How is Ascaris lumbricoides diagnosed?

    <p>Large thick-walled eggs in feces</p> Signup and view all the answers

    What is the definitive host for Taenia solium (pork tapeworm)?

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

    Which parasite has a complex life cycle involving penetration of skin leading to ground itch?

    <p>Strongyloides stercoralis</p> Signup and view all the answers

    How is Trichinella spiralis diagnosed?

    <p>Larvae formed from cysts in muscle</p> Signup and view all the answers

    What is the most common mode of infection for hookworms (Ancylostoma duodenale, Necator americanus)?

    <p>Penetration of bare foot</p> Signup and view all the answers

    Which definitive host for parasitic worms is different from the others by not involving ingestion as the mode of infection?

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

    Which type of tapeworm can lead to megaloblastic anemia when ingested?

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

    Which parasitic worm causes a disease associated with squamous cell carcinoma of the bladder?

    <p>Schistosoma haematobium</p> Signup and view all the answers

    Which group of parasitic worms elicits an eosinophil response in the host?

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

    What is the mode of transmission for Enterobius vermicularis (pinworm)?

    <p>Hand to mouth</p> Signup and view all the answers

    How is Ascaris lumbricoides diagnosed?

    <p>Large thick-walled eggs in feces</p> Signup and view all the answers

    What is the mode of transmission for hookworms (Ancylostoma duodenale, Necator americanus)?

    <p>Penetration of bare foot</p> Signup and view all the answers

    Where are the adults of Strongyloides stercoralis found in the human body?

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

    Which parasite causes a disease characterized by hydatid cysts in tissues?

    <p>Echinococcus granulosus</p> Signup and view all the answers

    How is Trichinella spiralis primarily transmitted to humans?

    <p>Ingestion of infected meat (cysts)</p> Signup and view all the answers

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