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Parasit quizzes 4th yr > quizzes > Flashcards

quizzes Flashcards

1
Q

The infective stage for a trematode is usually

A

Metacercaria

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2
Q

What is characteristic of all cyclophyllidean tape eggs

A

hexacanth embryo

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3
Q

Cysticercoid develops into how many adults?

A

one

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4
Q

Trichostrongyle egg contains multi-celled morula so these parasites are

A

Oviparous

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5
Q

Ovoviparous

A

Egg is larvated

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6
Q

Acanthocephalan life cycle

A

Indirect

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7
Q

Acanthocephalans found in what part of vertebrate DH

A

Small intestines

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8
Q

These parasites have a thorny proboscis

A

acanthocephalans

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9
Q

Lappets are characteristic of

A

Anoplocephala perfoliata

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10
Q

Intermediate host of Habronema muscae?

A

Coprophagous fly

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11
Q

Adults or L1 larvae of this nematode found in lacrymal duct of horses

A

Thelazia lacrimalis

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12
Q

Best way to dx oxyuris equi

A

scotch tape test

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13
Q

Patent infections of dictyocaulus arnfieldi are more likely found in what host?

A

Donkey

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14
Q

ID of strongyles can be done in what life stage (two)

A

L3 larvae

Adult

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15
Q

L4 larva of strongylus vulgaris form thrombi in the

A

cranial mesenteric artery, dev. to L5

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16
Q

Synchronous emergence of encysted L4 stages of small strongyles from tissue is

A

larval cyathostomiasis

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17
Q

Dicroceolium dendriticum uses what intermediate hosts?

A

terrestrial snail and ant

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18
Q

Best diagnostic method to ID Fasciola hepatica eggs in feces

A

Sedimentation

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19
Q

Intermediate host of Taenia ovis

A

Sheep

20
Q

Intermediate host of Taenia hydatigena

A

Sheep

21
Q

Intermediate host of Echinococcus granulosus

A

Human

Cow

22
Q

Intermediate host of Taenia saginata

A

Cow

23
Q

Intermediate host of multiceps multiceps

A

sheep

24
Q

HOTC complex

A

Haemonchus
Ostertagia
Trichostrongylus
Cooperia

25
Q

Ability of nematodes to arrest development and go dormant

A

hypobiosis

26
Q

Protostrongylus rufescens and Muellerius capillaris both found in feces of goats, whats the difference?

A

Protostrongylus has a pointy tail

Meullerius has a kinky tail

27
Q

Intermediate host for Gonlylonema verrucosum

A

Dung beetle

28
Q

Two ways to distinguish between trichuris and capillaria

A

Trichuris has darker smooth egg with polar circles at end

29
Q

Caseous nodules found in intestines of cattle from

A

Oesophagostomum radiatum

30
Q

Remember strongyloides egg is

A

larvated (I think)

31
Q

Milk spots in young pig liver likely

A

Larval migration of Ascaris suum

32
Q

Metastrongylus spp use what intermediate host

A

Earthworms

33
Q

Trichinella spiralis develops sylvatic and urban cycles. Sylvatic cycle characterized by

A

Transmission between wild carnivores and prey

34
Q

Measly pork caused by

A

Taenia solium

35
Q

This parasite diagnosed using urine sediment

A

Stephanurus dentatus

36
Q

Procedure to recover trichostrongyle eggs

A

Fecal float

37
Q

Procedure to recover Fasciola hepatica eggs

A

Fecal sedimentation

38
Q

Procedure to recover Meullerius capillaris larvae

A

Baermann

39
Q

Procedure to recover Moniezia eggs

A

fecal float

40
Q

Procedure to recover parascaris equorum eggs

A

fecal float

41
Q

Life cycle of giardia

A

direct (zero IH)

42
Q

Tritrichomonas foetus can be recovered from cows using what sample?

A

vaginal mucous

43
Q

Turkeys become infected with Histomonas meleagridis via

A

Eggs of Heterakis gallinarum AND

Earthworms that have ingested eggs of Heterakis

44
Q

With Eimeria spp which stage of development happens outside the host?

A

Sporogony

45
Q

Name 1 way the lifecycle of cryptosporidium differs from Eimeria

A

Sporogony happens in the host

Parasit quizzes 4th yr (3 decks)

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