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Helminthic Diseases of the Digestive System quiz

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Termini in questo insieme (15)

  • What class of flatworms do tapeworms belong to?
    Tapeworms belong to the class Cestoda, also known as cestodes.
  • How do tapeworms obtain nutrients without a digestive system?
    Tapeworms absorb nutrients directly through their body walls from the host's intestine.
  • What is the function of the scolex in a tapeworm?
    The scolex is the attachment organ of the tapeworm, using suckers or hooks to anchor to the host's intestinal wall.
  • What are proglottids in tapeworms?
    Proglottids are the repeating body segments of a tapeworm, each capable of producing eggs.
  • Which two species of tapeworms commonly infect humans through beef and pork?
    Taenia saginata (beef tapeworm) and Taenia solium (pork tapeworm) commonly infect humans.
  • How do humans typically become infected with tapeworms?
    Humans become infected by ingesting undercooked or raw meat containing tapeworm larvae (cysticerci).
  • What is the intermediate host for Taenia saginata and Taenia solium?
    Cattle are the intermediate host for Taenia saginata, and pigs are the intermediate host for Taenia solium.
  • Where do adult tapeworms live and reproduce?
    Adult tapeworms live and reproduce in the intestines of humans, the definitive host.
  • How are tapeworm eggs or proglottids typically detected for diagnosis?
    Diagnosis is usually made by finding eggs or proglottids in the patient's feces.
  • What are the main drugs used to treat tapeworm infections?
    Single doses of niclosamide or praziquantel are commonly used to treat tapeworm infections.
  • What is cysticercosis and which tapeworm species can cause it in humans?
    Cysticercosis is a condition where Taenia solium larvae invade human tissues, such as muscle, eye, or brain, after ingesting eggs.
  • Why is proper sanitation important in preventing tapeworm transmission?
    Proper sanitation prevents human feces containing eggs from contaminating water or animal feed, breaking the tapeworm life cycle.
  • What happens to gravid proglottids at the end of a tapeworm?
    Gravid proglottids, filled with eggs, break off or rupture and are passed out in the host's feces.
  • Can tapeworms cause noticeable symptoms in infected humans?
    Tapeworm infections are often asymptomatic, but may occasionally cause mild symptoms like diarrhea.
  • How can cooking meat thoroughly help prevent tapeworm infection?
    Thorough cooking kills the cysticerci (larval stage) in meat, preventing tapeworm infection in humans.