Test 2- Worms Flashcards
1
Q
Life cycle of parascaris equorum?
A
Direct, L2
2
Q
Which equine nematode can reach up to 30 cm in length?
A
Parascaris equorum
3
Q
Common name of strongyloides westeri?
A
Threadworm
4
Q
Common name of oxyuris equi?
A
Large pinworm
5
Q
Common name of ostertagia ostertagi?
A
Brown stomach worm
6
Q
Condition caused by ostertagia ostertagi?
A
ostertagiosis
7
Q
common name of haemoncus placei
A
barber pole worm, wireworm
8
Q
common name of dioctyocaulus viviparus
A
lung worm
9
Q
condition caused by dioctycaulus viviparus
A
husk, hoose, verminous pneumonia
10
Q
common name of oesophagostomum spp
A
nodular worm, pimply worm
11
Q
life cycle of strongyloides westeri
A
Direct, L3 (homogonic and heterogonic)
12
Q
Life cycle of setaria equina
A
Indirect L3
13
Q
life cycle of onchocerca cervicalis
A
Indirect L3
14
Q
life cycle of draschia megastoma
A
indirect l3
15
Q
life cycle of habonema spp
A
indirect l3
16
Q
life cycle of oxyuris equi
A
direct l3
17
Q
life cycle of strongylus spp
A
direct l3
18
Q
life cycle of dictyocaulus arnfieldi
A
direct l3
19
Q
life cycle of all cow nematodes studies?
A
direct l3
20
Q
IH of setaria equina
A
mosquito
21
Q
IH of onchocerca cervicalis
A
culicoides spp (midges)
22
Q
IH of habronema spp
A
flies (musca spp and musca domestica)
23
Q
IH of draschia megastoma
A
flies (musca spa and stomoxys calcitrans)
24
Q
FH of dictyocaulus arnfieldi
A
Donkeys (doesn’t reach latency in horses)
25
Name the 5 cow nematodes studied
o. osteragi
h. placei
cooperia spp
d. viviparus
oesophagostomum spp
26
Which nematodes have a long PPP? (4+ months)
o. equi
| small/large strongyles
27
Which nematodes have a short PPP (less than a month)
s. westeri
o. ostertagi
h. placei
cooperia spp
d. viviparus
28
Which nematodes infect the SI?
p. equorum
s. westeri
cooperia
29
Which nematodes infect the LI?
oesophagostomum
small/large strongyles
o. equi
30
Which nematode infects the peritoneal cavity
setaria equina
31
Which nematode infects the connective tissue (especially in the nuchal ligament)
onochocerca cervicalis
32
Which nematodes infect the stomach/abomasum
draschia megastoma
habronema spp
ostertagia ostertagi
haemonchus placei
33
Which nematodes infect the lungs/bronchi
dictyocaulus viviparus
| dictyocaulus arnfieldi
34
Which cattle nematode is characterized by anorexia and diarrhea
oesophagostomum spp
35
Which cattle nematode is characterized by bronchitis, bronchitis and pneumia
dictyocaulus viviparus
36
Which cattle nematode is characterized by watery diarrhea, especially in young?
cooperia
37
Which cattle nematode is characterized by bottle jaw, anemia, gastritis and a low weight?
haemoncus placei
38
Which cattle nematode is characterized by moroccan leather gastric mucosa, reduced gastric juices, plasma pepsinogen increase, bottle jaw and diarrhea
ostertagia ostertagi
39
Which equine nematode is characterized by coughing and pulmonary damage
dictyocaulus arnfieldi
40
Which equine nematode is characterized by colitis, edema, chronic diarrhea and weight loss
cyathostomina spp
41
Which large strongyle causes hemorrhagic tracts
Equinus
42
Which nematode causes fever, anorexia and colic
large strongyles
43
Which large strongyle causes arteritis and thrombus
vulgaris
44
What genus of equine nematodes causes anemia, colic and fever
Strongylus
45
Which equine nematode causes pruritus and peri-anal irritation
oxyuris equi
46
Which equine nematodes cause gastritis, conjunctivitis, ulcers and summer sores
habronema spp
| draschia megastoma
47
Which equine nematode causes fibrous tissue, pruritus, dermatitis and summer mange
onchocerca cervicalis
48
Which equine nematode causes erythematous reaction and urticaria
strongyloides westeri
49
Which equine nematode causes perforation, obstruction, unthriftiness and coughing
parascaris equorum
50
Which nematodes can be diagnosed via fecal float or mcmaster?
p. equorum
s. westeri
cyathostomina spp
strongylus spp
51
Which nematode can be diagnosed via scotch tape method
oxyuris equi
52
Which nematodes can be diagnosed with a skin scrape
drascia megastoma
| habronema spp
53
Which nematodes have larvae in the skin?
habronema spp
onchocerca cervicalis
draschia megastoma
s. westeri
54
Which nematodes can be identified via baermann
strongyloides westeri
| d. viviparus
55
Which nematode has hepatic tracheal migration
parascaris equorum
56
Which strongyle is more common today?
small strongyle (cyathostomina)
57
Which nematode has a drug resistance and arrested development
cyathostomina
58
What is the most important cattle parasite in the US?
ostertagia ostertagi
59
Which ostertagiosis has a high mortality rate
Winter (type 2)
60
Which nematode larvae is in the liver?
strongylus equinus
| strongylus edentatus
61
Which nematode has larvae or mff in the blood
setaria equina
| strongylus vulgaris
62
Which nematode has an operculated egg?
oxyuris equi
63
Bovine cestode we studied?
taenia saginata
64
Common name of taenia saginata
beef tapeworm, pearly beef
65
Final host of taenia saginata
human
66
What stage of t. saginata is ingested by cattle?
oncosphere
67
What stage of t. saginata is ingested by humans?
cysticercus
68
Location of t saginata infection in cattle
muscle
69
Name of the equine cestode we studied
Anoplocephala spp
70
Which anoplocephala is larger?
A. magna
71
Largest cattle or bovine parasite?
Taenia saginata
72
IH of anoplocephala spp
Mites, oribatid
73
Stage of anoplocephala infective to horse
Cysticercoid in the mite
74
Site of infection for a. perfoliata
cecum, ileocecal valve
75
site of infection for a. magna
SI
76
Trematode we studied?
Fasciola spp
77
Common name of fasciola hepatica
liver fluke
78
Common name of fascioloides magna
large american liver fluke, deerk fluke
79
Which fasciola has a zoonosis?
F. hepatica
80
The horse is an aberrant host for which fasciola spp?
F. magna
81
Which fasciola spp. is larger?
F. magna
82
Infective stage of fasciola spp?
Metacercaria
83
Infective stage of fasciola spp to IH?
Miracidia
84
IH for fasciola spp
snails
85
Site of infection for F. Hepatica
bile ducts
86
Site of infection for F. Magna
liver
87
Pathogenesis of F. hepatica
pipestem liver, fasciolosis
88
Diagnostic test for fasciola spp?
sedimentation
