Loa loa Infection Diagnosis Quiz
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Questions and Answers

What is the causative agent of Onchocerciasis?

  • Chrysops
  • Onchocerca volvulus (correct)
  • Simulium
  • Loa loa
  • Where do Loiasis adult filariae commonly reside?

  • In human eyes
  • In Simulium larvae
  • In blackflies
  • In subcutaneous connective tissues (correct)
  • What is the intermediate host for Onchocerciasis?

  • Simulium
  • Chrysops
  • Humans
  • Blackfly (correct)
  • Which nematode causes Loiasis?

    <p>Loa loa</p> Signup and view all the answers

    How are third-stage filarial larvae introduced into the human host in Onchocerciasis?

    <p>By blackflies</p> Signup and view all the answers

    Where can microfilariae be found to diagnose Onchocerciasis?

    <p>In skin snips or biopsy specimens</p> Signup and view all the answers

    What is the causative agent of paragonimiasis?

    <p>Paragonimus westermani</p> Signup and view all the answers

    When does the diagnosis of Loa loa infection exhibit diurnal periodicity?

    <p>Mid-day (10 AM-2 PM)</p> Signup and view all the answers

    In which host do cercariae invade in the life cycle of Paragonimus westermani?

    <p>Second intermediate host</p> Signup and view all the answers

    What is the mode of transmission of Paragonimus westermani to humans?

    <p>Ingestion of undercooked pork</p> Signup and view all the answers

    Which sign can aid in the diagnosis of Loa loa infection?

    <p>Calabar swellings</p> Signup and view all the answers

    What is the intermediate host for Paragonimus westermani before invading the second intermediate host?

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

    Which type of animals are humans considered as in relation to E. multilocularis infection?

    <p>Intermediate hosts</p> Signup and view all the answers

    Which of the following is the primary definitive host species for E. multilocularis?

    <p>Red foxes</p> Signup and view all the answers

    Which of the following tests is most sensitive for detecting antibodies in serum of patients with cystic disease caused by E. multilocularis?

    <p>Enzyme immunoassays (EIA) with Em2 antigen</p> Signup and view all the answers

    Which of the following is NOT a method for definitive hosts to become infected with E. multilocularis?

    <p>Direct contact with infected definitive hosts</p> Signup and view all the answers

    Which of the following animals is NOT a competent definitive host for E. multilocularis?

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

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