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Parasitology > Test 2- Worms > Flashcards

Test 2- Worms Flashcards

1
Q

Life cycle of parascaris equorum?

A

Direct, L2

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2
Q

Which equine nematode can reach up to 30 cm in length?

A

Parascaris equorum

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3
Q

Common name of strongyloides westeri?

A

Threadworm

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4
Q

Common name of oxyuris equi?

A

Large pinworm

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5
Q

Common name of ostertagia ostertagi?

A

Brown stomach worm

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6
Q

Condition caused by ostertagia ostertagi?

A

ostertagiosis

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7
Q

common name of haemoncus placei

A

barber pole worm, wireworm

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8
Q

common name of dioctyocaulus viviparus

A

lung worm

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9
Q

condition caused by dioctycaulus viviparus

A

husk, hoose, verminous pneumonia

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10
Q

common name of oesophagostomum spp

A

nodular worm, pimply worm

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11
Q

life cycle of strongyloides westeri

A

Direct, L3 (homogonic and heterogonic)

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12
Q

Life cycle of setaria equina

A

Indirect L3

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13
Q

life cycle of onchocerca cervicalis

A

Indirect L3

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14
Q

life cycle of draschia megastoma

A

indirect l3

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15
Q

life cycle of habonema spp

A

indirect l3

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16
Q

life cycle of oxyuris equi

A

direct l3

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17
Q

life cycle of strongylus spp

A

direct l3

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18
Q

life cycle of dictyocaulus arnfieldi

A

direct l3

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19
Q

life cycle of all cow nematodes studies?

A

direct l3

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20
Q

IH of setaria equina

A

mosquito

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21
Q

IH of onchocerca cervicalis

A

culicoides spp (midges)

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22
Q

IH of habronema spp

A

flies (musca spp and musca domestica)

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23
Q

IH of draschia megastoma

A

flies (musca spa and stomoxys calcitrans)

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24
Q

FH of dictyocaulus arnfieldi

A

Donkeys (doesn’t reach latency in horses)

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25
Q

Name the 5 cow nematodes studied

A

o. osteragi
h. placei
cooperia spp
d. viviparus
oesophagostomum spp

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26
Q

Which nematodes have a long PPP? (4+ months)

A

o. equi

small/large strongyles

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27
Q

Which nematodes have a short PPP (less than a month)

A

s. westeri
o. ostertagi
h. placei
cooperia spp
d. viviparus

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28
Q

Which nematodes infect the SI?

A

p. equorum
s. westeri
cooperia

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29
Q

Which nematodes infect the LI?

A

oesophagostomum
small/large strongyles
o. equi

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30
Q

Which nematode infects the peritoneal cavity

A

setaria equina

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31
Q

Which nematode infects the connective tissue (especially in the nuchal ligament)

A

onochocerca cervicalis

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32
Q

Which nematodes infect the stomach/abomasum

A

draschia megastoma
habronema spp
ostertagia ostertagi
haemonchus placei

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33
Q

Which nematodes infect the lungs/bronchi

A

dictyocaulus viviparus

dictyocaulus arnfieldi

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34
Q

Which cattle nematode is characterized by anorexia and diarrhea

A

oesophagostomum spp

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35
Q

Which cattle nematode is characterized by bronchitis, bronchitis and pneumia

A

dictyocaulus viviparus

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36
Q

Which cattle nematode is characterized by watery diarrhea, especially in young?

A

cooperia

37
Q

Which cattle nematode is characterized by bottle jaw, anemia, gastritis and a low weight?

A

haemoncus placei

38
Q

Which cattle nematode is characterized by moroccan leather gastric mucosa, reduced gastric juices, plasma pepsinogen increase, bottle jaw and diarrhea

A

ostertagia ostertagi

39
Q

Which equine nematode is characterized by coughing and pulmonary damage

A

dictyocaulus arnfieldi

40
Q

Which equine nematode is characterized by colitis, edema, chronic diarrhea and weight loss

A

cyathostomina spp

41
Q

Which large strongyle causes hemorrhagic tracts

A

Equinus

42
Q

Which nematode causes fever, anorexia and colic

A

large strongyles

43
Q

Which large strongyle causes arteritis and thrombus

A

vulgaris

44
Q

What genus of equine nematodes causes anemia, colic and fever

A

Strongylus

45
Q

Which equine nematode causes pruritus and peri-anal irritation

A

oxyuris equi

46
Q

Which equine nematodes cause gastritis, conjunctivitis, ulcers and summer sores

A

habronema spp

draschia megastoma

47
Q

Which equine nematode causes fibrous tissue, pruritus, dermatitis and summer mange

A

onchocerca cervicalis

48
Q

Which equine nematode causes erythematous reaction and urticaria

A

strongyloides westeri

49
Q

Which equine nematode causes perforation, obstruction, unthriftiness and coughing

A

parascaris equorum

50
Q

Which nematodes can be diagnosed via fecal float or mcmaster?

A

p. equorum
s. westeri
cyathostomina spp
strongylus spp

51
Q

Which nematode can be diagnosed via scotch tape method

A

oxyuris equi

52
Q

Which nematodes can be diagnosed with a skin scrape

A

drascia megastoma

habronema spp

53
Q

Which nematodes have larvae in the skin?

A

habronema spp
onchocerca cervicalis
draschia megastoma
s. westeri

54
Q

Which nematodes can be identified via baermann

A

strongyloides westeri

d. viviparus

55
Q

Which nematode has hepatic tracheal migration

A

parascaris equorum

56
Q

Which strongyle is more common today?

A

small strongyle (cyathostomina)

57
Q

Which nematode has a drug resistance and arrested development

A

cyathostomina

58
Q

What is the most important cattle parasite in the US?

A

ostertagia ostertagi

59
Q

Which ostertagiosis has a high mortality rate

A

Winter (type 2)

60
Q

Which nematode larvae is in the liver?

A

strongylus equinus

strongylus edentatus

61
Q

Which nematode has larvae or mff in the blood

A

setaria equina

strongylus vulgaris

62
Q

Which nematode has an operculated egg?

A

oxyuris equi

63
Q

Bovine cestode we studied?

A

taenia saginata

64
Q

Common name of taenia saginata

A

beef tapeworm, pearly beef

65
Q

Final host of taenia saginata

A

human

66
Q

What stage of t. saginata is ingested by cattle?

A

oncosphere

67
Q

What stage of t. saginata is ingested by humans?

A

cysticercus

68
Q

Location of t saginata infection in cattle

A

muscle

69
Q

Name of the equine cestode we studied

A

Anoplocephala spp

70
Q

Which anoplocephala is larger?

A

A. magna

71
Q

Largest cattle or bovine parasite?

A

Taenia saginata

72
Q

IH of anoplocephala spp

A

Mites, oribatid

73
Q

Stage of anoplocephala infective to horse

A

Cysticercoid in the mite

74
Q

Site of infection for a. perfoliata

A

cecum, ileocecal valve

75
Q

site of infection for a. magna

A

SI

76
Q

Trematode we studied?

A

Fasciola spp

77
Q

Common name of fasciola hepatica

A

liver fluke

78
Q

Common name of fascioloides magna

A

large american liver fluke, deerk fluke

79
Q

Which fasciola has a zoonosis?

A

F. hepatica

80
Q

The horse is an aberrant host for which fasciola spp?

A

F. magna

81
Q

Which fasciola spp. is larger?

A

F. magna

82
Q

Infective stage of fasciola spp?

A

Metacercaria

83
Q

Infective stage of fasciola spp to IH?

A

Miracidia

84
Q

IH for fasciola spp

A

snails

85
Q

Site of infection for F. Hepatica

A

bile ducts

86
Q

Site of infection for F. Magna

A

liver

87
Q

Pathogenesis of F. hepatica

A

pipestem liver, fasciolosis

88
Q

Diagnostic test for fasciola spp?

A

sedimentation

Parasitology (5 decks)

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