Pathogenic Parasites Quiz Questions And Answers

60 Questions | Total Attempts: 14

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Pathogenic Parasites Quiz Questions And Answers - Quiz

Do you know about pathogenic parasites? Check out the following quiz and test your knowledge for the same. A pathogen is an organism that causes diseases. Infectious organisms cause parasitic diseases from protozoa to helminths. The quiz below contains questions about parasites, parasitic pathogens, trematodes, and host organisms. Do you think you can answer them all and secure good marks here? Stop wasting your time and start playing the quiz. All the very best to you!


Questions and Answers
  • 1. 
    Metagonimus yokogawai differs from Heterophyes heterophyes by:
    • A. 

      M. yokogawai egg is light brown and thick-shelled H. heterophyes is light yellow and thin-shelled

    • B. 

      M. yokogawai egg is light yellow and thin-sheled H. heterophyes is light brown and thick-shelled

    • C. 

      Both are correct

    • D. 

      Their eggs are indistinguishable 

  • 2. 
    The common name of Paragonimus westermani is:
    • A. 

      Von Siebold's fluke

    • B. 

      Intestinal fluke

    • C. 

      Large intestinal fluke

    • D. 

      Oriental lung fluke

  • 3. 
    Which of the following resembles the egg of Fasciolopsis buski?
    • A. 

      Gastrodiscoides hominis

    • B. 

      Echinochasmus perfoliatus

    • C. 

      Fasciola hepatica

    • D. 

      All of the above

  • 4. 
    All of the following are possible treatments for trematode infection, except:
    • A. 

      Albendazole + Mebendazole

    • B. 

      Praziquantel

    • C. 

      Niclosamide

    • D. 

      All are possible treatments for trematode infections

  • 5. 
    Intestinal parasites of reptiles, birds, and mammals.
    • A. 

      Philophthalmus

    • B. 

      M. yokogawi

    • C. 

      Phaneropsolus

    • D. 

      Gymnophalloides

  • 6. 
    Which of the following is not a pathology/clinical manifestation of Fasciola gigantica?
    • A. 

      Stomach upset

    • B. 

      Obstruction of biliary ducts

    • C. 

      Hepatomegaly

  • 7. 
    Which trematode has ants (Formica fusca) as its second intermediate host?
    • A. 

      Opistorchis viverrini

    • B. 

      Watsonius watsoni

    • C. 

      Dicrocoelium dendriticum

    • D. 

      Gastrodiscoides hominis

  • 8. 
    Its adult morphology resembles a spoon with one end contracted or preserved an oval, flattened coffee bean.
    • A. 

      M. yokogawai

    • B. 

      P. westermani

    • C. 

      S. japonicum

    • D. 

      Fasciola hepatica

  • 9. 
    The second intermediate host of Paragonimus westermani are:
    • A. 

      Aquatic plants

    • B. 

      Crustaceans

    • C. 

      Snails

    • D. 

      Ants

  • 10. 
    All of the following trematodes have aquatic plants as their second intermediate host, except:
    • A. 

      Opistorchis viverrini

    • B. 

      Fasciola gigantica

    • C. 

      Fasciola hepatica

    • D. 

      Both B and C

  • 11. 
    Trapa, Eichhornia, Eliocharis, and Zizania are all second intermediate hosts of _____.
    • A. 

      Schistosoma haematobium

    • B. 

      Fasciola hepatica

    • C. 

      Paragonimus westermani

    • D. 

      Fasciolopsis buski

  • 12. 
    The adult form of this trematode measures 1.4 by 0.6 mm and has a pyriform shape with rounded posterior and tapering anterior end.
    • A. 

      Heterophyes heterophyes

    • B. 

      Metagonimus yokogawai

    • C. 

      Paragonimus westermani

    • D. 

      Clonorchis sinensis

  • 13. 
    The difference between M. yokogawai from C. sinensis is:
    • A. 

      Eggs of M. yokogawai have less distinct opercular groove

    • B. 

      Eggs of M. yokogawai have more distinct opercular groove

    • C. 

      Eggs are indistinguishable

    • D. 

      None of the above

  • 14. 
    Which pair of parasites exhibit a pathogenecity of granulomatous lesions caused by eggs when they enter venules or lymphatics in distant locations such as the heart and the nervous system?
    • A. 

      C. sinensis and H. heterophyes

    • B. 

      P. westermani and F. buski

    • C. 

      E. ilocanum and F. hepatica

    • D. 

      H. heterophyes and M. yokogawai

  • 15. 
    The echinostomate flukes have no sporocystic stage
    • A. 

      True

    • B. 

      False

  • 16. 
    This causes salmon poisoning in dogs
    • A. 

      Euparyphium ilocanum

    • B. 

      Gastrodiscoides hominis

    • C. 

      Nanophyetus (Troglotrema) salmincola

    • D. 

      None of the above

  • 17. 
    The egg of this parasite is greenish-brown, 150 to 170 um by 60 to 70 um which is ovoid with an anterior portion narrow and a small operculum.
    • A. 

      E. ilocanum

    • B. 

      G. hominis

    • C. 

      N. salmincola

    • D. 

      H. heterophyes

  • 18. 
    This is a parasite of monkeys and baboons. This fluke has a large, powerful ventral sucker that is the chief cause of trauma of the intestinal mucosa of primates and can cause severe diarrhea and toxic inanition in humans.
    • A. 

      Watsonius watsoni

    • B. 

      Alaria spp.

    • C. 

      Euparyphium ilocanum

    • D. 

      Opistorchis felineus

  • 19. 
    The adult form of this fluke resembles C. sinensis and measures 7- 12mm by 1.5- 3.0mm
    • A. 

      Watsonius watsoni

    • B. 

      Alaria spp.

    • C. 

      Euparyphium ilocanum

    • D. 

      Opistorchis felineus

  • 20. 
    What are the intermediate hosts of O. felineus
    • A. 

      Cyprinoid fish

    • B. 

      Salmons

    • C. 

      Bulimus snails

    • D. 

      Zebrina (a type of snail)

  • 21. 
    Philophthalmus lacrimosus is a common species of which fluke?
    • A. 

      Eye flukes

    • B. 

      Liver flukes

    • C. 

      Intestinal flukes

    • D. 

      Blood flukes

  • 22. 
    An intestinal fluke which lives at the wall of the small bowel like. It has been reported in Mindanao in the Philippines, and Thailand.
    • A. 

      Phaneropsolus

    • B. 

      Haplorchis taichui

    • C. 

      Gymnophalloides

    • D. 

      Acanthoparyphium

  • 23. 
    Originally described as as echinomastid intestinal parasite of ducks in Korea
    • A. 

      Phaneropsolus

    • B. 

      Haplorchis taichui

    • C. 

      Gymnophalloides

    • D. 

      Acanthoparyphium

  • 24. 
    Was first discovered in the stool of patients complaining of epigastric pain , diarrhes from a small island village off the southwest coast of Korea. They infect marin bivalves and raw oysters.
    • A. 

      Acanthoparyphium

    • B. 

      Phaneropsolus

    • C. 

      Haplorchis taichui

    • D. 

      Gymnophalloides

  • 25. 
    The infective stage of schistosomes is:
    • A. 

      Metacercaria

    • B. 

      Fork-tailed cercaria

    • C. 

      Sporocyst

    • D. 

      Egg

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