Parasit Final II

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Parasit Final II
2011-11-30 19:37:53
Parasit Final II

Parasit Final II
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  1. What species of chewing lice infest cattle, horses, sheep and goats?
    Damalinia spp.
  2. What species of chewing lice infests dogs and may serve as an intermediate host for Dipylidium caninum?
    Trichodectes canis
  3. What is the chewing louse of cats?
    Felicola subrostratus
  4. What chewing lice are known to infest guinea pigs?
    • Gliricola porcelli
    • Gyropus ovalis
    • Trimenopon hispidum
  5. What can heavy infections of lice in guinea pigs cause?
    • Pruritis
    • Scaling
    • Alopecia
    • "epileptiform-like" seizures
  6. What are the chewing lice that infest birds?
    • Menopon spp.
    • Goniocotes spp.
  7. What are some direct diseases associated with lice?
    • Anemia
    • Pediculosis (more common in winter)
  8. What are some organisms that can be transmitted by lice?
    • Dipylidium caninum (Trichodectes canis)
    • Swine pox (Haematopinus suis)
    • Epidemic typhus - Rickettsia (Pediculus humanus humanus)
  9. What insects have two pairs of wings, a triangular shield b/t the wing bases, four segmented antennae, and a three-segmented beak?
    Hemipterans (true bugs)
  10. What bug is known as the "kissing bug" and is an intermediate host to Chagas disease (T. cruzi)?
    • Rhodnius spp.
    • Panstrongylus spp.
    • Triatoma spp.
  11. What bug feeds on human blood, is suspected in the transmission of 41 human diseases, and is known as the "bed bug"?
    Cimex spp.
  12. What bugs occur almost exclusively in the lungs, trachea, and nasal passages and has a mouth surrounded by 4 hooks?
  13. Pentastomes usually infest what animals?
  14. What are the intermediate hosts for pentastomes?
    • Rodents
    • Herbivores
    • Carnivores
    • Primates
    • Humans
  15. What part of the body can you find pentastomes in the intermediate host?
    • Mesenteric lymph nodes
    • Liver
    • Lungs
    • Omentum
  16. What pentastome is found in the nasal and paranasal sinuses of dogs, wild canids, and cats?
    Linguatula serrata
  17. What two structures make up the mouthparts of the tick?
    • Chelicerae
    • Hypostome
  18. What two parts of the tick make up the capitulum?
    • Mouthparts
    • Basis capituli
  19. What organisms do ticks serve as intermediate host for?
    • Babesia
    • Cytauxzoon
    • Hepatozoon
  20. What organisms do ticks serve as biological vectors for?
    • Rickettsiae
    • E. chaffenensis
    • Francisella tularensis
    • Borrelia burgdorferi
  21. Which ticks are known to cause tick paralysis?
    • Dermacentor andersoni
    • Dermacentor variabilis
    • Amblyomma americanum
    • Amblyomma maculatum
    • Ixodes pacificus
  22. What tick is known to cause tick paralysis in Australia?
    Ixodes holocyclus
  23. Infestation of what tick larvae can cause flaccid paralysis of young chickens?
    Argas persicus
  24. Which ticks have a scutum?
    Ixodid (hard)
  25. What are the 4 developmental stages of a tick lifecycle?
    • Egg
    • Larva
    • Nymph
    • Adult
  26. What genus of ticks has an anal groove that distinctly curves around the anus anteriorly, is inornate, festoons are absent, and is a three host tick?
    Ixodes spp.
  27. What tick can transmit Borrelia burgdorferi (Lyme disease) and Anaplasma phagocytophilum and is known as the "black-legged tick"?
    Ixodes scapularis
  28. What type of transmission involves a larval tick acquiring a disease and carrying it through each molt?
    Interstadial transmission
  29. What type of transmission occurs when the disease organism is passed from adult female to her larvae?
    Transovarian transmission
  30. What kind of tick transmission occurs in ticks infested with Babesia?
    • Transovarian
    • Interstadial
  31. What ticks transmit Babesia?
    • Rhipicephalus (bovine)
    • Dermacentor (equine)
    • Ixodes (humans)
    • Rhipicephalus, Amblyomma (dog)
  32. How is Babesia diagnosed?
    • Intraerythrocytic piroplasms in blood
    • Histopath sections
    • Serology
    • ELISA
    • PCR
  33. What genus of ticks have festoons, are ornate, have white color on the scutum, and the basis capitulum is rectangular?
    Dermacentor spp.
  34. What tick is known as the "American dog tick" and is a 3 host tick?
    Dermacentor variabilis
  35. What ticks act as intermediate host for Cytauxzoon felis?
    • Dermacentor andersoni
    • Dermacentor variabilis
  36. What tick genus has festoons, is inornate, has a hexagonal basis capituli, is a 3 host tick and can complete it's lifecycle indoors?
    Rhipicephalus spp.
  37. What tick genus is ornate, has festoons, the mouthparts are much longer than the basis capituli, and it is a 3 host tick?
    Amblyomma spp.
  38. What ticks can transmit Heartwater disease?
    Amblyomma spp.
  39. How do dogs acquire Hepatozoon infestation?
    Ingesting a tick infested with Hepatozoon americanum or Hepatazoon canis
  40. What tick genus are considered soft ticks?
    • Argas spp.
    • Ornithodoros spp.
    • Otobius spp.
  41. What animals act as hosts to the tick genus Argas?
    • Chickens
    • Turkeys
    • Wild birds
  42. What animals act as hosts to the tick genus Ornithodoros?
    • Rodents
    • Birds
  43. What soft tick is found in the ear canal of cattle, horses, sheep, dogs, and some wild animals, adults do not feed, they are a one host tick, and are known as the "Spinose Ear Tick"?
    Otobius megnini
  44. What are some clinical signs of horses infested with Otobius megnini?
    • Muscle cramping
    • Pain similar to colic
    • Muscle tremors
  45. What bloodsucking mites parasitize birds?
    • Dermanyssus gallinae
    • Ornithonyssus sylviarum
  46. Which bloodsucking mite of the bird hides in the nests and attacks the birds at night?
    Dermanyssus gallinae
  47. Which bloodsucking mite of the bird remains on the host much of the time?
    Ornithonyssus sylviarum
  48. What mite is bloodsucking mesostigmatid mite of reptiles?
    Ophionyssus natricis
  49. What method is used for detecting mites in cage litter?
    Berlese technique
  50. What mite is found in the nasal and paranasal sinuses of dogs and is transmitted by direct transfer?
    Pneumonyssoides caninum
  51. What mite is found in the respiratory passages of canaries, finches and other domestic birds?
    Sternostoma tracheacolum
  52. How are Sternostoma tracheacolum mite infestation in birds diagnosed?
    Transilluminating trachea with strong light
  53. What mite affects dogs, ferrets, wild canids, cattle and is a reportable disease in all large animals except swine?
    Sarcoptes scabiei
  54. What mite of the guinea pig can cause vigorous scratching of the skin and possible seizures?
    Trixacarus caviae
  55. What zoonotic mite infests cats, rats, rabbits, foxes, and squirrels?
    Notoedres spp.
  56. What mite is the cause of "scaly leg" in chickens, turkeys, pheasants, and other gallinaceous birds?
    Knemidokoptes mutans
  57. What mite is the cause of a very serious form of "scab" mange in cattle, sheep, and horses?
    Psoroptes ovis
  58. What mite is found on the external ear canal of rabbits?
    Psoroptes cuniculi
  59. What superficially dwelling mite is found on cattle, sheep, horses, goats, hedgehogs, alpacas, llamas, and in the ear canal of rabbits?
    Chorioptes bovis
  60. What mite infests the external ear canal and adjacent skin of dogs, foxes, cats and ferrets?
    Otodectes spp.
  61. What is the hair (fur) clasping mite of cats in Florida?
    Lynxacarus radovsky
  62. What genus of mites live in the hair follicles and sebaceous glands of mammals?
    Demodex spp.
  63. What dogs show clinical signs of a Demodex canis infestation?
    Young dogs
  64. What are the two types of generalized demodicosis in dogs?
    • Squamous
    • Pustular
  65. What animals are affected by Cheyletiella spp. (Walking dandruff)?
    • Dogs (C. yasguri)
    • Cats (C. blakei)
    • Rabbits (C. parasitovorax)
  66. What mites are in the family Trombiculidae (Chiggers)?
    • Neotrombicula autumnalis
    • Walbachia americana
    • (larvae are parasitic)