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AA Vet Roundworms > Trichinella, Trichuris, Capillaria > Flashcards

Trichinella, Trichuris, Capillaria Flashcards

1
Q

What is the predilection site of T. spiralis?

A

Small intestine

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2
Q

What are the hosts of T. spiralis?

A

Pig, rat, domestic and wild carnivores, man

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3
Q

What is unique about the hosts of T. spiralis?

A

The final host is also the intermediate host but another host is required to complete the life cycle

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4
Q

What do you call the cells that nourish the muscle trichinella?

A

Nurse cells

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5
Q

What is the instrument for the diagnosis of T. spiralis?

A

Trichinoscopes

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6
Q

What are the drugs of choice for T. spiralis?

A

Thiabendazole

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7
Q

What is the predilection site of whipworms?

A

Cecum and colon

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8
Q

What is the significance of whipworms as intestinal parasites of canines?

A

One of the big 4 intestinal parasites

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9
Q

What is Trichuris in man?

A

Trichuris trichiura

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10
Q

What is the significance of Trichuris as roundworms of humans?

A

Third most common roundworm

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11
Q

What serves as anchorage in the anterior end of whipworms?

A

Spear-like projection

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12
Q

What is the egg morphology of Trichuris?

A

Lemon or barrel shaped

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13
Q

What are the hairworms of dogs’ bladder?

A

Pearsonema plica

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14
Q

What is the world’s largest intracellular parasite?

A

Trichinella spiralis

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15
Q

What are the hairworms of birds and man present in the intestinal tract?

A

Aonchotheca philippinensis

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16
Q

What are the hairworms of rodents’ liver?

A

Calodium hepatica

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17
Q

What is present in the airways of fox?

A

Eucoleus aerophilus

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18
Q

What are the hairworms of turkey affecting the esophagus?

A

Capillaria contorta

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19
Q

What is the difference between Capillaria caudinflata and Capillaria obsignata?

A

They both affect the small intestine of birds; however, Capillaria obsignata requires earthworms as intermediate hosts

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20
Q

Which Capillaria spp is present in the crops of birds?

A

Capillaria annulata

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21
Q

What hairworm is present in the abomasum of ruminants?

A

Capillaria bilobata

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22
Q

What is the difference between Capillaria eggs and whipworm eggs?

A

Capillaria eggs are colorless, more barrel-shaped, and polar plugs do not project as far

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23
Q

What species caused intestinal capillariosis in Ilocos Norte?

A

Hypseleotris bipartita

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24
Q

What affects the renal pelvis of wild and domestic carnivores?

A

Dioctophyma renale

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25
Q

What is the significance of the giant kidney worm as a nematode?

A

Largest species of nematodes and considered the largest nematode of animals

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26
Q

What do you call the structures that distinguish trichuroidea species?

A

Capillary tube, stichosome esophagus

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27
Q

What type of female does Trichinella spiralis have?

A

Larviparous

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28
Q

In the stichosome esophagus, what are the single file columns of gland cells called?

A

Stichocytes

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29
Q

What are the four families under Trichuroidea or Trichinelloidea?

A

Trichinellidae, Trichuridae, Capillaridae, Trichosomoididae

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30
Q

How does infection of T. spiralis occur?

A

Predation, cannibalism, carrion feeding

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31
Q

What muscles are most heavily parasitized by Trichinella spiralis?

A

Diaphragm, abdominal, intercostal, laryngeal, lingual

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32
Q

What are the affected sites of whipworms?

A

Cecum and colon

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33
Q

What component of egg shells consists of protein and is very thick and sticky in ascarid?

A

Outer layer

34
Q

What is Trichuris in cats?

35
Q

What are Trichuris in cattle?

A

T. discolor, T. globulosa

36
Q

What is Trichuris in dogs and fox?

37
Q

What are the eggs of Trichuris species like?

A

Lemon or barrel shaped, with outer or inner shell and translucent polar prominences

38
Q

What is the treatment for Trichuris infection in humans and dogs?

A

Menbendazole

39
Q

What is the treatment of Trichuris infection in sheep?

A

Fenbendazole

40
Q

What are Dichlorvos used for?

A

Treatment of Trichuris infection in dogs

41
Q

What animals are treated with fenbendazole for Trichuris infection?

A

Dogs, swine, sheep

42
Q

What are small adult bodies resembling Trichuris that lie partially in mucous membranes?

A

Capillaridae

43
Q

What is the common name of Capillaria?

44
Q

What are the four groupings of Hairworms?

A

Eucoleus, Aonchotheca, Pearsonema, Calodium

45
Q

What are the affected sites of Eucoleus?

46
Q

What are the affected organs of Calodium?

47
Q

Which Capillaria species affect the bladder of dogs?

A

Pearsonema

48
Q

What Capillaria species have spear-like projections at the anterior end for anchorage?

A

Aonchotheca

49
Q

What Capillaria species affect the intestinal tract of birds, ruminants, and man?

A

Aonchotheca

50
Q

What Capillaria species are present in the Philippines?

A

Capillaria plica, C. hepatica, C. philippinensis, some poultry hairworms

51
Q

What Capillaria species affect the frontal sinus mucosa of fox?

A

Eucoleus or Capillaria bohmi

52
Q

What Capillaria species affect the bronchi of fox and domestic carnivores?

A

Eucoleus aerophilus

53
Q

What intestinal Capillaria is present in the small intestine of bears, hedgehogs, raccoons, swine?

A

Aonchotheca putorii

54
Q

What causes intestinal capillariasis of birds?

A

Capillaria caudinflata or longicullis, Capillaria obsignata or columbae

55
Q

What is the etiologic agent of capillariasis in crops?

A

Capillaria annulata

56
Q

What causes capillariasis in the esophagus?

A

Capillaria contorta

57
Q

What causes capillariasis in the abomasum of cattle?

A

Capillaria bilobata

58
Q

What causes intestinal capillariasis in man?

A

Capillaria philippinensis

59
Q

Which Capillaria species is present in the liver of rodents?

A

Calodium hepaticum or Capillaria hepatica

60
Q

Which Capillaria species is found in the urinary bladder of cats?

A

Pearsonema feliscati

61
Q

What are the Capillaria species whose anterior bodies are embedded in the mucous membrane of the urinary bladder of wild and domestic carnivores?

A

Pearsonima plica

62
Q

Which Capillaria species utilize earthworms as paratenic hosts?

A

Pearsonema feliscati

63
Q

What is the Trichosomoididae genus and species affecting the urinary bladder of black rats?

A

Trichosomoides crassicauda

64
Q

What is known as the giant kidney worm?

A

Dioctophyma renale

65
Q

3 superfamilies of Order Enoplida

A

Trichuroidea, Dioctophymatoidea, Mermithoidea

66
Q

these whipworms have sheaths that bear an oblong swelling a short distance from its distal extremity and covered by minute spines

A

Trichuris ovis

67
Q

Trichuris spp whose females are orange-yellow in color

A

Trichuris discolor

68
Q

these whipworms have sheaths bearing terminal spherical expansions on which the spines are larger on remaining portion

A

Trichuris globulosa

69
Q

whipworms found in the small intestine and cecum with sheaths bear small spines on the proximal portion

A

Trichuris vulpis

70
Q

their esophageal part of the body is shorter than the posterior part but less or equal in thickness

A

Family Capillariidae

71
Q

hairworms species with eggs containing L1 infective to the host

A

Capillaria obsignata, C. aerophila, C. hepatica

72
Q

hairworms with life cycle which requires their eggs to be ingested first by earthworm to attain infectivity by DH

A

C. annulata, C. caudinflata, C. plica

73
Q

these hairworms, a predatory host (intercalary host) or death of the DH is required for the eggs to be released

74
Q

hairworms may cause high mortality in fowls and pigeons

A

C. obsignata

75
Q

found in the skin of rhesus monkeys

A

Anatrichosoma cutaneum

76
Q

found burrowed in the glandular crypts of the mucosa epithelium of the proximal 3rd of the SI

A

Trichinella spp

77
Q

Esophageal glands are multinucleate without caudal glands

A

Dioctophymatoidea

78
Q

These species have tubular vagina and well developed reproductive system

A

Dioctophymatoidea

79
Q

causative agents of hystrichosis of water birds

A

Hystrichis tricolor

81
Q

Found in intestines of foxes, sable and cats in siberia with bell shaped bursa and their eggs have modified poles and sculptured surface

A

Soboliphyme baturini

82
Q

Non parasitic but may be swallowed by animals to be mistaken as parasites

A

Superfamily Mermithoidea

AA Vet Roundworms (14 decks)

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