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RUSVM Parasitology > Exam II - Image Identification > Flashcards

Exam II - Image Identification Flashcards

1
Q

Identify the parasite. Is this oocyst sporulated or unsporulated?

A

Eimeria leukarti - sporulated

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1
Q

Identify the parasite. What life cycle stage is infective?

A

Parascaris equorum - L2 in egg is infective

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2
Q

Identify the parasite.

A

Ixodes spp

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3
Q

Identify the parasite. What life cycle stage is present?

A

Tabanus spp adult

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4
Q

Identify the parasite. What life cycle stage is present?

A

Fasciola hepatica egg

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4
Q

Identify the parasite.

A

Setaria equina

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4
Q

Identify the parasite. What parasite does this fly mechanicly transmit? What parasite are they the IH for?

A

Stomoxys calcitrans.

Mechanical Vector for - antherax, equine infectious anemia, tryponosomes

IH for Habroneman muscae –> cause summer sores

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5
Q

Damn, what’s that on his hand?!?!

A

Culicoides spp. - “No-see-ums”

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5
Q

Identify the parasite. What life cycle stage is present? Common name?

A

Strongyloides westeri adult - threadworm

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6
Q

Identify the parasite. What life cycle stage is present? How would you diagnose this parasite?

A

Sarcoptes scabiei adult

Skin scraping

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7
Q

What is the common name of this parasite?

A

Assassin bug

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7
Q

Identify the parasite.

A

Musca domestica

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7
Q

Identify the parasite. What is this parasite responsible for transmitting?

A

Rhipicephalus sanguineus -

Transmits: Babesia, Ehrlichia, RMSF, Hapatozoon

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7
Q

Wow, what a prominent, rigid, conspicuous, and forward projecting proboscis! This must be from:

A

Stomoxys calcitrans

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8
Q

Identify the parasite. Are these eggs laid embryonated or unembryonated?

A

Strongyloides westeri egg. Embryonated

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9
Q

What is the common name for this parasite?

A

Sarcoptic mange mite

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10
Q

Identify the parasite.

A

Trichodectes canis

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11
Q

What is the genus & who are the DH hosts for the parasite pictured?

A

Cuterebra spp.

DH: Rabbits and rodents are primarily hosts

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12
Q

Identify the parasite. What life cycle stage is present? what hosts & where on the host are you most likely to find it?

A

Linognathus vituli - adult

dogs, cattle, sheep & goat can be found all over the body.

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13
Q

Identify the parasitic egg

A

Draschia megastoma egg

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14
Q

Identify the parasite. What life cycle stage is present?

A

Oxyuris equi eggs

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15
Q

Identify this parasitic egg

A

Habronema spp.

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16
Q

Identify the parasite.

A

Anoplocephala perfoliata

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16
Q

What is the common name for the parasite pictured?

A

Coccidia

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16
Q

Identify the parasite. What is/are the site(s) of infection?

A

Demodex canis - hair follicles and sebaceous glands

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16
Q

Identify the parasite.

What life cycle stage is present?

What is the common name & where on the host are you likely to find this parasite?

A

Haematopinus eurysternus adult

Short nosed cattle louse

head, neck, & back - but can spread throughout the body

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17
Q

Identify the parasite responsible for transmitting Onchocerca in horses & cattle

A

Culicoides spp adult

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18
Q

Identify the parasite. What life cycle stage is present?

A

Musca autumnalis adult

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20
Q

Identify this parasite with vestigial mouthparts

A

Cuterebra spp.

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22
Q

Identify the parasite. What is the life cycle stage?

A

Ctenocephalides larva

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24
Q

Identify the parasite. What is the life cycle stage?

A

Ctenocephalides adult

25
Q

What is the scientific name for the red worms pictured?

A

Strongylus vulgaris

27
Q

Identify the parasitic eggs.

A

Taenia saginata

28
Q

(Pictured) Larval cyanthostominosis and catharral colitis is caused by which parasite?

A

Cyanthostomins

29
Q

Shit man, what’s on my steak?!

A

Taenia saginata

30
Q

This “moroccan leather” effect is caused by which parasite?

A

Ostertagia ostertagi

30
Q

Identify this parasite.

A

Cooperia spp.

30
Q

Migration of the larvae of this parasite leads to infarction in cats and feline ischemic encephalopathy. What is it?

A

Cuterebra spp.

31
Q

Identify the parasitic eggs

A

Hypoderma lineatum

32
Q

Identify the parasite. What life cycle stage is present?

A

Rhipicephalus sanguineus or R. boophilus - adult

33
Q

Identify the parasite. What life cycle stages are parasitic?

A

Otobius spp. - only larvae & nymphs are parasitic

34
Q

Identify the parasite and life cycle stage. What does this life cycle stage feed on?

A

Ctenocephalides larva. Feeds on organic debris, including the blood in the feces of the adult fleas

35
Q

Identify the parasite. What life cycle stage is present?

A

Cuterebra spp. L3

36
Q

Identify the parasite. What life cycle stage is present?

A

Trypanosoma cruzi trypomastigotes in blood smear

37
Q

Identify this parasitic egg

A

Trichostrongyloidea spp.

ie. Ostertagia ostertagi

38
Q

This thickened skin is likely due to a ____________ infections

A

Sarcoptes scabiei

40
Q

What is the life cycle for the tick pictured?

A

Ixodes - 3 host life cycle

41
Q

Identify the parasite.

What life cycle stage is present?

What is/are the site(s) of infection for this parasite?

A

Giardia intestinalis trophozoite.

Site of infection: small intestine

42
Q

Identify the parasite. What life cycle stage is present?

A

Sarcocystis spp. - individual sporocysts

43
Q

What type of egg is this?

A

Strongyle egg

45
Q

Identify the parasites.

A

Anoplocephala perfoliata

47
Q

This horse has Equine Protozoal Myeloencephalitis. Which parasite was it caused by?

A

Sarcocycstis neurona

48
Q

Woah, what are those? What parasite is its vector?

A

That’s 2 Babesia spp. trophozoites

R. sanguineus = vector

49
Q

Identify the parasite. What is/are the host(s)?

A

Trichodectes canis. Dogs.

50
Q

What is the common name of this parasite?

51
Q

Identify the parasite. What is its site of infection?

A

Ostertagia ostertagi - abomasum

51
Q

Identify the parasite. What life cycle stage is present?

A

Theileria (Cytauxzoon) spp merozoites in red blood cells

52
Q

What is the scientific name of the face fly?

A

Musca autumnalis

53
Q

Identify the parasite. What is/are the host(s) for this parasite?

A

Ctenocephalides adult. Dogs and cats.

54
Q

Identify the parasite.

A

Fasciola hepatica

56
Q

Which Ctenocephalides life cycle stages are present in this image of the rug that your feet are on RIGHT NOW

A

Eggs and larvae are present

57
Q

Identify the parasite. What life cycle stage is present?

A

Linognathus setosus adult

59
Q

Identify the parasite. What life cycle stage is present?

A

Oxyuris equi

60
Q

Identify the parasite. What is the common name?

A

Culicidae. Mosquito

61
Q

Identify the parasite. Which diseases are transmitted by this parasite?

A

Dermacentor spp.

Rocky Mountain Spotted Fever, Tularemia, Babesia

63
Q

Which Babesia spp life cycle stage is present in this image?

A

Babesia spp trophozoites in blood smear

65
Q

Identify the parasite. What life cycle stage is present?

A

Parascaris equorum egg

67
Q

Identify the parasite.

A

Otobius spp.

68
Q

Identify this nematode. What is the life cycle stage?

A

Could be either Draschia spp. or Habronema spp. egg

69
Q

Identify the parasite

A

Dermacentor spp.

70
Q

Identify the parasitic egg.

A

Anoplocephala spp.

71
Q

Identify the parasite. What is the common name?

A

Oxyuris equi - large pinworm

72
Q

What is the common name for the tick pictured?

A

Lone star tick

73
Q

What is the common name for the parasite pictured?

A

Demodectic mange mite

74
Q

Identify this parasite. What life cycle stage is present?

A

Cystoisospora canis

Sporulated oocyst is present. This is the infective stage.

75
Q

“Pipestem liver” is caused by which parasite?

A

Fasciola hepatica

76
Q

Identify the parasite. What life cycle stage is present?

A

Oesophagostomum spp adult

RUSVM Parasitology (124 decks)

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