Parasitology Exam 1 Info

33 Questions | Total Attempts: 78

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Parasitology Exam 1 Info

Questions and Answers
  • 1. 
    Horizontal transmission is a/an
    • A. 

      Infection across different generations of a host population

    • B. 

      Transmission of parasites from mother to offspring by transplacental or lactogenic routes

    • C. 

      Indirect transmission to the definitive host

    • D. 

      Required innervation of an intermediate host

  • 2. 
    Which characteristics are true of Canine Hookworms?
    • A. 

      Males are 10-12 mm

    • B. 

      Transmission via lactogenic route

    • C. 

      Transmission in utero

    • D. 

      Females are smaller

  • 3. 
    At what stage of a parasitic life cycle are parasites infectious?
  • 4. 
    The adult female hookworm is estimated to ingest approximately 0.01ml of blood per worm per day.
    • A. 

      True

    • B. 

      False

  • 5. 
    Select the different mode(s) of how an animal could acquire Toxocara canis/ cati
    • A. 

      Ingestion of larvated eggs

    • B. 

      Ingestion of paratenic host (rodents, birds)

    • C. 

      Transplacental transmission

    • D. 

      Lactogenic transmission

  • 6. 
    Where does Toxocara canis/cati live in the definitive host?
    • A. 

      Heart

    • B. 

      Large intestine

    • C. 

      Small intestine

    • D. 

      Trachea

  • 7. 
    Toxocara canis/cati is not zoonotic.
    • A. 

      True

    • B. 

      False

  • 8. 
    Which of the following are possibilities of how an individual could acquire Bayliscsaris leonia?
    • A. 

      Ingestion of a paratenic host

    • B. 

      Ingestion of larvated eggs

    • C. 

      Lacotogenic transmission

    • D. 

      Transplacental transmission

  • 9. 
    Where does Bayliscsaris leonia live in its definitive host?
    • A. 

      Lungs

    • B. 

      Small intestine

    • C. 

      Neurotrophic

    • D. 

      Large intestine

  • 10. 
    Bayliscsaris leonia is zoonotic.
    • A. 

      True

    • B. 

      False

  • 11. 
    Where does Ancylostoma caninum/ tubaeforms live in their definitive host.
    • A. 

      Small intestine

    • B. 

      Large Intestine

    • C. 

      Neurotropic

    • D. 

      Nasal passages

  • 12. 
    Anclystoma caninum/ tubaeforme is not zoonotic
    • A. 

      True

    • B. 

      False

  • 13. 
    How does Ancylostoma caninum/tubaeforms cause harm in the definitive host?
    • A. 

      Causes sneezing & irritation

    • B. 

      Paralysis

    • C. 

      Aggressive somatic migration

    • D. 

      Voracious blood sucker

  • 14. 
    Where does Trichuris vulpis live in its definitive host?
    • A. 

      Nasal passage

    • B. 

      Trachea

    • C. 

      Cecum

    • D. 

      Duodenum

  • 15. 
    Where does Eucoleus boehmi live in its definitive host?
    • A. 

      Small intestine

    • B. 

      Nasal passage

    • C. 

      Cecum

    • D. 

      Brain

  • 16. 
    How can Uncinaria stenocephala be acquired?
    • A. 

      Transplacental transmission

    • B. 

      Ingestion of L3 larvae

    • C. 

      Lactogenic transmission

    • D. 

      Penetration by L3 larvae

  • 17. 
    Where does Uncinaria stenocephala live in its definitive host?
    • A. 

      Cecum

    • B. 

      Small intestine

    • C. 

      Nasal passage

    • D. 

      Stomach

  • 18. 
    How does the Uncinaria stenocephala cause harm to the definitive host?
    • A. 

      Creates nodules in the stomach

    • B. 

      Voracious blood sucker

    • C. 

      Causes irritation in the intestine

    • D. 

      Causes sneezing & irritation

  • 19. 
    What parasite lays this egg?
    • A. 

      Ancylostoma caninum/ tubaeforme

    • B. 

      Toxocara canis/cati

    • C. 

      Spirocerca lupi

    • D. 

      Eucoleus boehmi

  • 20. 
    What parasite lays these eggs?
    • A. 

      Spirocera lupi

    • B. 

      Strongyloides stercoralis

    • C. 

      Ancylostoma caninum/ tubaeforme

    • D. 

      Toxocara canis/ cati

  • 21. 
    What parasite lays these eggs? 
    • A. 

      Draschia

    • B. 

      Parascaris equorum

    • C. 

      Strongyles

    • D. 

      Trichinella

  • 22. 
    What parasite lays this egg? 
    • A. 

      Oxyuris equi

    • B. 

      Trichuris vulpis

    • C. 

      Strongyloides stercoralis

    • D. 

      Spirocerca lupi

  • 23. 
    How does the definitive host acquire Oxyuris equi?
    • A. 

      Penetration by L3 larvae

    • B. 

      Accidental ingestion of flies

    • C. 

      Ingestion of embryonated eggs

    • D. 

      Lactogenic transmission

  • 24. 
    What parasite lays this egg?
    • A. 

      Ancylostoma tubaeforme

    • B. 

      Trichuris vulpis

    • C. 

      Parascaris equorum

    • D. 

      Oxyuris equi

  • 25. 
    Where do Strongyles live in their definitive host?
    • A. 

      Stomach

    • B. 

      Small intestine

    • C. 

      Large intestine

    • D. 

      Skeletal muscle

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