Parasit, Q1/1

  1. Facultative Parasite:
    An organism that is capable of living either a free or parasitic existence
  2. Helminths include:
    • Roundworms/nematodes (ascarids)
    • Flatworms (Tapeworms/cestodes)
    • Flukes/Trematodes
  3. Definitive Host:
    Obligatory host in which parasite develops to SEXUAL maturity
  4. Intermediate Host:
    Obligatory Host in which immature or asexual stages undergo essential development
  5. Paratenic/Transport Host
    • No development/proliferation, just carried until reaches definitive host
    • Active Carriers
  6. Reservoir hosts:
    Population of infected hosts that serve as a source of infection for other susceptible species
  7. Developmental Stage of the parasite capable of initiating a new infection in a new host=
    Infective Stage: Eggs, Oocytes or Larvae
  8. Period of time btw. infection of host and production of eggs/larvae=
    Pre-patent Period
  9. Parasite that require an intermediate host=
    Indirect Life Cycle
  10. Parasite that doesn't require an intermediate host=
    Direct life Cycle
  11. Establishment of a parasite within a host=
  12. Establishment of a parasite on the surface of a host=
  13. Protozoan Reproduciton
    • Sexual (binary fission, multiple fission & budding)
    • Asexual (conjunction, syngamy)
  14. What type of repro => oocysts?
    Syngamy (sexual)
  15. Protozoa that infect reproductive system of cattle:
    Tritrichomonas foetus (Bovine Trchomoniasis)
  16. Tx for Tritrichomonas foetus (Bovine Trichomoniasis):
    Alcide flush SID x 7D, no Tx for 1 wk, the resume EOD
  17. What types of protazoa infect the GI Tract:
    • Trichomonas gallinae (Avian Trichomoniasis)
    • Pentatrichomonas
    • Histomonas meleagridis
    • Giardia lambia
    • Entamoeba
  18. Trichomonas gallinae causes...
    • Cankor in doves/pingeons
    • What causes Frounce in raptors
  19. How is Trichomonas gallinae transmitted
    • Pigeon milk
    • Fecal-oral
  20. GI Dz that usually infects young birds
    Trichomonas gallinae
  21. Protozoal Dz that infects cats, humans & cattle:
  22. What non-pathogenic protazoa infects the mouths of dogs?
    Trichomonas canistomae
  23. What protazoa infects the mouth of FIV, FeLV and FIP+ cats?
    Tetratitrichomonas felistomae
  24. Economically important Dz in Range birds:
    Histomoniasis meleagridis
  25. Clinical Signs include: ruffled feathers, hanging wings and tails, yellow droppings, black head=>
    Histomoniasis meleagridis
  26. Zoonotic assemblages of Giardia:
    • A1
    • A2
    • A3
    • B
  27. Which protazoa do not have a cyst stage
    • Histomoniasis meleagridis
    • Trichomonas gallinae
  28. Life cycle of giardia is... (Direct/Indirect)
  29. Clinical signs include: pancreatic insuffiency in stools, crypt atrophy, Dec Digestive enzymes, greasy, sulpher smelling stools =>
  30. Tx for giardia:
    • Metro (flagyl)
    • Fenbendazole (panacure) in dogs/cats
    • Drontal
    • Giardia
    • Albendazole
  31. Tritrichomonas, Subphylum: ____ Family: _____
    • Subphylum: Mastigophora
    • Family: Trichomonadidae
  32. Histomonas, Subphylum: ____ Family: _____
    • Subphylum: Mastigophora
    • Family: Monoceromonadidae
  33. Giardia lamlia, Subphylum: ____ Family: _____
    • Subphylum: Diplomonadida
    • Family:Hexamitidae
  34. Entamoeba, Subphylum: ____ Family: _____
    • Subphylum: Sarcodina
    • Family: Endamoebidae
Card Set
Parasit, Q1/1
Parasit, Q1/1