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RUSVM Parasitology Exam > RUSVM Parasitology Exam 2 Review TA Session > Flashcards

RUSVM Parasitology Exam 2 Review TA Session Flashcards

1
Q

Which trematod casues “pipstem liver”?

A

fasciola hepatica

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2
Q

What is the fecal diagnostic test for trematodes?

A

sedimentation - large and heavy eggs

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3
Q

Which is the false statement:

a. tapeworms with arthropod IH have cysteicervus larval stages
b. tapeworms with mammal IH have cyticercus larval stages
c. tapeworms with arthropod IH have cysticercoid larval stages

A

a.

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4
Q

Choos the correct statement about taenia solium
a. huamns as FH can have NCC and as IH can have taeniosis
b. humans as FH can have taeniosis and as IH can have NCC
C. Pigs as FH can have taeniosis and as Ih can have NCC
D. Pigs as FH can have NCC and as IH can have taeniosis

A

b.

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5
Q

What is the fly life cycle?

A

ELPA

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6
Q

Which are not zoonotic

a. alaria spp,
b. fascioloides magna,
c. paragnoimus kellicotti,
d. paramphistomum spp,
e. fasciola hepatica,
f. nanophyets salmincola,
g. dicrocelium spp.

A

b and d

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7
Q

Diphyllobothrium latum and spirometra spp use 2 iH’s? T/F

A

true

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8
Q

Which of teh following are Railietina spp eggs? (pictures)

A

B.

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9
Q

Anoplocephala magna is a long cetode in the small intestine of horses. BEcause of its size, it is considered more pathogenic than A. perfoliata. T/F

A

B. False,

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10
Q

Which adult flies take blood meals?

a. culicodes
b. haemotobia irritans
c. meophagus ovinus
d. musca spp.
e. stomoxys calcitrans
f. tabanas and Chrysops

A

a b c e f

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11
Q

Humans are IH for both taenia saginata and taenia solium T/F

A

False- humans intermediats for taenia solium, they act as final hosts

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12
Q

You get a call from a small ruminenat owner. When you arrive, he complains of his lambs eing unthrifty. He also shows you the following (piture). What tapeworm are you thinking and can yous say with confidence that these segments are the cause of the issue?

A

b. moniezia spp.; no

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13
Q

Fascioloides magna has several hosts. The natural FH is a white-tail deer. aberrant hosts die because the cysts occlude the bile ducts. t/f

A

True

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14
Q

Which of the following can have this egg? (picture)

A

taenia, echinococcus

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15
Q

When is the best time to treat Hypoderma?

A

treat the first instar prior to overwintering

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16
Q

Of the echinoccous spp., which can cause exogenous cysts in human livers, thus resulting in death?

A

multiocularis spp.

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17
Q

Which of the following infects dogs and cats?

a. paramphistomum spp.
b. taenia solium
c. choanotaenia spp.
d. paragonimus kellicotti
e. fasciola hepatica

A

a.

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18
Q

Bot fly larvae are obligatory parasites. T/F

A

a. true

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19
Q

Match the tick species with its picture.

A

a;lskjf;alskdjf

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20
Q

All trematodes only have one IH, the snail. T/F

A

b. false- some have 2 IH

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21
Q

You work as a mixed animal practice. THis fine ay, it starts to rain as you head out to a catle ranch. When you arrive, you notice a few cattle are irritated. Upon further spieciation , you see flies located on teh vntral belly. WHat s your DX?

A

horn fly

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22
Q

After you finish at the cattle ranch, you had out to a small ruminant farm. The farmer complains about a tick issue with his sheep. When you part the wool, indeed you see a critter without wings and a flattened shape. Is this a tick?

A

b. no- sheep head fly

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23
Q

Name the dead-end host of fascioloides magna

A

bovine

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24
Q

Which of the following is mismatched?

a. avian flea is Echidnophaga
b. avian lice is Ischnocera
c. avian ticks are hard ticks

A

C.

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25
Q

Choose the tick with long palps.

a. amblyomma
b. dermacentor
c. ixodes
d. rhipicephalus
e. phipicephalus ( boophilus)

A

a, c

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26
Q 
choose the correct matching option
a flukes= trematodes
b. flukes = cestodes
c. tapeworms= trematodes
d. tapeworms= cestodes
A

a, d

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27
Q

Select the bot flies.

a. cochliomyia hominovrax
b. cuterebra spp.
c. culicoes spp.
d. haematobia irritans
e. hypooderma spp. g. gasterophilus spp.
g. tabanus and chrysops
h. melophagus ovinus
i. oestrus ovis
j. stomoxys calcitrans

A

b e f g i

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28
Q

You go out to a barn to groom horses. When you enter the stall, you notice a few flies around the eyes. Which fly are you thinking about?

A

musca autumnalis

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29
Q

Which hard tick is reportable?

A

boophilus

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30
Q

When treating dirofilaria immitis infections what is the first step?

A

prophylaxis and doxycycline

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31
Q

Clinical signs for dirofilaria immitis are seen in dogs (blank) of age and their severity is determined by (blank).

A

over 6 months, activity level

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32
Q

The hallmark of Ancanthocheilonema reconditum in a blood smear is (blank).

A

fast movement

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33
Q

The IH for Onchocerca cervicalis is (blank) and its predilection site is (blank).

A

no- see- ums (biting midges or culicoides), nuchal ligament

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34
Q

What parasite lays this egg and may cause osteopathy?

A

spirocerca lupi

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35
Q

The IH for Draschia megastoma and Harbonema spp. is (blank).

A

musca spp. and stomoxys calcitrans

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36
Q

Which of the following have an arthropod IH?

A

Moniezia spp., Raillietina spp.

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37
Q

The life cycle of Dipylidium caninum is synchornized to (blank).

A

fleas

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38
Q

Which of following can have humans as the IH and FH?

A

taenia solium

39
Q

Which of the following clinical signs is associated with Taenia pisiformis?

A

none of the above

40
Q

Humans become infectd with Taenia saginata by (blank)

A

ingesting under cooked beef

41
Q

The 2nd larval stage for Taenia taeniaformis is (blank) and is found in the (blank).

A

strobilocercus, liver

42
Q

How do humans get neurocycticercosis?

A

ingesting human fecal material containing t solium oncospheres

43
Q

Echinococcus multilocularisis potentially fatal in humans because…

A

It can cause a liver cyst that can invade surrounding tissues

44
Q

Which of the following are Pseudophyllidean cestodes?

A

Diphyllobthrium latum, Spirometra spp.

45
Q

Teh first IH for pseudophyllidean cestodes i?

A

copepods

46
Q

Which fluke is a vector for Neorickettsia helminthoeca?

A

nanophyetus salmincola

47
Q

Which of the following is not zoonotic?

a. fasciola hepatica
b. fascioloides magna
c. paramphistomum spp.

A

b and c

48
Q

What the primary lesion associated with Fasciola hepatica?

A

pipestem fibrosis in the liver

49
Q

Fascioloides magna causes death most often in :

cattle, white tailed deer, goats, bison

A

goats

50
Q

Which of the following is reportable in Kansas?

a. cochliomyia hominivorax
b. . sarcophagidae
c. rhipicephalus annulatus

A

a and c ( doesn’t matter which state you are in, they are still reportable)

51
Q

The bluish green, striped fly was found on a dead sheep with a foul smelling lesion in Wyoming. What is your next step as a veterinarian.

A

report it

52
Q

What attracts adult female Sarcophagidae to lay first instars?

A

necrotic wounds

53
Q

which of the following are Ischnocerca Lice?

a. ctenocephalides felis
b. haemotopnius suis,
c. linognathus ovillus
d. damalinia ovis

A

d.

54
Q

trichodectes canis is an IH of (blank)

A

D. caninum

55
Q

Damalinia bovis proliferates during which season?

A

winter

56
Q

Which of the following is the most pathogenic sheep lice?

A

damalinia ovis

57
Q

Which of the following likes to form dense clusters on the hides of cattle?

A

Haematopinus eurysternus, linognathus vituli

58
Q

Which of the following is the pupa of Ctenocephalides felis? (picture)

A

B.

59
Q

The flea is found on (blank) and it is commonly known as (blank). –Picture

A

birds, sticktight flea

60
Q

You find this tick on a dog at your clinic. What disease should you warn the owners to watch for? (picture)

A

lyme disease

61
Q

Which of the following is a one host tick?

A

rhipicel

62
Q

What is the prepatent period for Dirofilaria immitis?

A

6-9 months

63
Q

Cattle become infected with liver flukes via which route

A

Ingestion of infected aquatic plants

64
Q

Adult flies generally cause what condition especially in livestock?

A

fly worry

65
Q

A horse present to you with severe pruiritis on the neck and withers. You decide to perform a skin biopsy to examine. What life stage of which parasite are you likely to find?

A

Mff; o. cervicalis

66
Q

How would you differentiate between Choaenotaenia spp. and Raillientina spp. infections in poultry?

A

Rallientina causes nodular tape worm disease

67
Q

Upon necropsy of a horse, you find an ileocecal intussusception and very large flat yellowish worms. Which species is this most likely?

A

anoplocepha spp

68
Q

in general, clinical signs associated with Linognathus spp. and Haematopinus spp. include:

A

puritis, dermatitis, anemia

69
Q

Pathogenicity in milk tapeworm infections is generally seen in what kind of host?

A

young lambs and kids

70
Q

This nematode is generally nonpathogenic, although in heavy infections adults can cause diptheritic inflammation of the cecal mucosa leading to watery and sometimes bloody diarrhea.

A

trichuris spp.

71
Q

This bacteria likes to live symbiotically with heartworms and is believed to contribute towards it pathogenicity.

A

woolbachia

72
Q

A cat presents with a nonhealing wound on its hcest that seems to be leaking a clear fluid causing the area around it to become crusty and matted. Which specie si this most likely?

A

Cuterbra spp.

73
Q

The most important aspect of heartworm treatment in dogs is?

A

owner compliance and cage rest

74
Q

Blowfly striek refers toa reportable condition caused by whcih species?

A

cochilomyia

75
Q

which ticks are causes of tick paralysis?

A

ixodes spp., dermacentor spp., amblyomma spp

76
Q

Which species of ticks transmit lyme disease?

A

ixodes spp.

77
Q

This taenia species has a strobiocercus for a mestacestode stage

A

t. taeniaformis

78
Q

both cuterebra spp. and oestrus ovis are associated with aberrant larval migration into the cerebral cavity. t/f

A

True

79
Q

Adult tapeworms are usually found in the large intestine and are mostly non-pathogenic except in heavy infections. T/F

A

False

80
Q

Most effective form of control of both T. Solium and T. Saginata infections is what?

A

consumer education and meat inspection

81
Q

Sarcophagidae flies produce maggots that feed on what kind of flesh?

A

dead or necrotic flesh

82
Q

In the final hosts for F. Magna, a cyst forms around the flukes and arrests the migration preventing their pathogenicity. T/F

A

True

83
Q

Which life stage of trematodes are infective for the final host?

A

metacercera

84
Q

This nematode generally causes regurgitation and resultant anorexia and emaciation but is nown to causes osteosarcomas, osteophathy and spondylosis

A

esophageal worm

85
Q

“closecaval- syndrome” is seen is what sort of infections with heart worm?

A

heavy infections

86
Q

Treatment of the rikketsial organism transmitted by N. Salminocola is what drug?

A

tetracycline

87
Q

Capillaria spp. are mostly non pathogenic in dogs and cats and can be found in feces. T/F

A

False

88
Q

what is the infective stage for Spirocerca lupi?

A

L3 in Ih/Ph

89
Q

Which of these cestodes are zoonotic?

A

T. crassceps

90
Q

Which of these species uses a livestock (usually sheep) intermediate host?

A

T. hydatigena

91
Q

Paragonimus kellicotti causes what pathogenicity

A

nodules in lung parnechyma

92
Q

on inspections of the sublingual region fo apig, small nodules are noted. WHat lifestage and parasite is this most likely?

A

Cysteicercus, T. solium.

93
Q

All Ischnoceran lice generally have similar clincal signs, including: puritis, dermatitis, alopecia, erythema, self-mutation sounds, sometimes leading to loss of condition.

A

a

94
Q

Physaloptera spp. is free living within the stomach, has an infective L1, and is largely non-pathogenic. T/F

A

False

RUSVM Parasitology Exam (1 decks)

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