Parasitology Feb 2011

44 Questions | Total Attempts: 135

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Parasitology Quizzes & Trivia

Questions and Answers
  • 1. 
    Hymenolepsis Nana is also known as the _________ tapeworm.
  • 2. 
    Relating to Hymenolepsis, disintegration of ______ _________ releases numerous eggs.
  • 3. 
    In Hymenolepsis Nana The adult worm resides in the _______.
  • 4. 
    Most of the cestodes are intestinal species; there is one exception,  Echinococcus __________, which is an intestinal-tissue species.
  • 5. 
    H. nana does not require an ________ host but may exist in a number of other animal transport hosts, such as fleas, beetles, rats and house mice.
  • 6. 
    ____________ is considered to be the most common tapeworm recovered in the U.S.
  • 7. 
    People living in close quarters, such as those in institutions and children attending nursery school are at particularly high risk for contract _________ infections.
  • 8. 
    H. Nana Eggs are ______ by 30 um in size.
  • 9. 
    H.nana eggs contain _____ pairs of hooklets and a hexacanth embryo.
  • 10. 
    H. Nana eggs have a _________ shell, polar thickenings that contain polar filaments.
  • 11. 
    Scolices of H.nana contain ______ sucers; the short rostellum is armed with one row of hooks.
  • 12. 
    Hymenolepsis Diminuta is also known as the ______ tapeworm.
  • 13. 
    Human infection with H. diminuta is considered to be an accidental _______ occurance.
  • 14. 
    In H. diminuta ____ are typically not found in stool because they usually diintegrate in the human intestin; scolex is rarely seen.
  • 15. 
    Eggs of H. diminuta are 55 um by _____ um.
  • 16. 
    Hymenolepsis has ________ pair of hooklets and a hexacanth embryo are present.
  • 17. 
    In H. diminuta polar thickenings are present, but ______ ___________ are absent.
  • 18. 
    There are two members of the Taenia genus that are of clinical significance to humans: T.solium and T. _______.
  • 19. 
    T. solium is associated with undercooked or raw _______
  • 20. 
    T. saginata is associated with undercooked or raw _____________.
  • 21. 
    In the taenia species the scolex attachment occurs in the ___ intestine where maturation into an adult worm occurs.
  • 22. 
    Most people infected with  Taenia species, which is usually a single organism, remain _______.
  • 23. 
    ______ is the specimen of choice for the recovery of Taenia species.
  • 24. 
    It is important to note that the eggs of Taenia are ________.
  • 25. 
    In order to speciate Taenia species in the lab, a gravid proglottid or _________ must be recovered and examined.