Module 6: Medically Important Helminths
29 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the general term for worms that are restricted to members of the Phylum Platyhelminthes, Nematoda, and Acanthocephala?

  • Helminths (correct)
  • Fungi
  • Protozoa
  • Arthropods
  • What is the function of the scolex in cestodes?

  • Reproduction of the parasite
  • Production of eggs
  • Anchorage and attachment to the intestinal wall (correct)
  • Digestion of nutrients
  • How do cestodes obtain nutrients?

  • Through digestion in a digestive system
  • By absorbing nutrients through their integument (correct)
  • Through a process of osmosis
  • By sucking blood from the host
  • What is the term for the segmented part of a cestode that contains both male and female reproductive systems?

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

    What is the range of pH that cestodes can survive in?

    <p>4-11</p> Signup and view all the answers

    What serves as the portal of entry for tapeworms?

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

    Where is Diphyllobothriasis infection commonly found?

    <p>Northern temperate areas of the world</p> Signup and view all the answers

    What is the main host of the Diphyllobothriasis parasite?

    <p>Humans, canids, and felines</p> Signup and view all the answers

    What is the primary symptom of Diphyllobothriasis infection?

    <p>Non-specific abdominal signs</p> Signup and view all the answers

    What is the distinguishing feature of the scolex of Taenia solium?

    <p>4 suckers with rostellum and a double crown of hooks</p> Signup and view all the answers

    What is the treatment for Diphyllobothriasis infection?

    <p>Praziquantel 10mg/kg single dose</p> Signup and view all the answers

    What is the consequence of Diphyllobothriasis infection on vitamin levels?

    <p>Decreased vitamin B12 levels</p> Signup and view all the answers

    What is the characteristic shape of mature proglottids of Taenia solium?

    <p>Squared shaped</p> Signup and view all the answers

    How many branches are present in the uterus of a gravid Taenia solium?

    <p>713 branches</p> Signup and view all the answers

    What is the shape of the uterus in a mature proglottid?

    <p>Rosette-shaped</p> Signup and view all the answers

    What is the characteristic of the embryo or oncosphere of Taenia solium eggs?

    <p>6 hooked embryo or oncosphere</p> Signup and view all the answers

    What is the primary mode of infection for Paragonium westermani?

    <p>Eating uncooked freshwater crabs</p> Signup and view all the answers

    What is the characteristic feature of the scolex of Taenia saginata?

    <p>4 suckers without rostellum and hooks</p> Signup and view all the answers

    How long can Diphyllobothrium latum tapeworms grow in humans?

    <p>Up to 310 meters</p> Signup and view all the answers

    What is the characteristic shape of the ovary in Paragonium westermani?

    <p>Lobate shape</p> Signup and view all the answers

    Which of the following is NOT a symptom of Paragonimiasis?

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

    What is the unique structure of Paragonium westermani?

    <p>Coffee-bean shape</p> Signup and view all the answers

    What is the characteristic of the eggs of Paragonium westermani?

    <p>Large with a thick shell</p> Signup and view all the answers

    What is the typical duration between infection and the occurrence of a severe eosinophilic granulomatous reaction?

    <p>1-2 weeks</p> Signup and view all the answers

    What is the reservoir host for Paragonium westermani?

    <p>Piscivorous mammals</p> Signup and view all the answers

    What is the recommended treatment for Trichinella infection?

    <p>Gastroscopic examination/surgical or endoscopic removal</p> Signup and view all the answers

    What is the purpose of a stool ova and parasite test?

    <p>To detect intestinal parasites and their eggs</p> Signup and view all the answers

    What is the characteristic shape of the male Trichinella spiralis?

    <p>Tapered at the anterior end and curved at the posterior end</p> Signup and view all the answers

    What is the typical location of encysted larvae of Trichinella?

    <p>In the pressed muscle tissue inside the cyst</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser