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Parasitology > Test 2-Protozoa > Flashcards

Test 2-Protozoa Flashcards

1
Q

What species that we studied are affected by giardia?

A

Dogs, cats, cattle

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2
Q

What is the infective form of giardia?

A

Tropohozoites in cysts

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3
Q

What stage of giardia is found in the SI

A

trophozoites

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4
Q

Treatment for giardia?

A

None

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5
Q

Clinical signs for giardia?

A

Generally asymptomatic, sometimes diarrhea

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6
Q

Condition caused by trypanosome cruzi?

A

Chagas disease

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7
Q

Final hosts for T. cruzi?

A

dogs, cats, humans

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8
Q

Vector for t. cruzi?

A

assassin bugs, kissing bugs (vector required!!)

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9
Q

Infective stage for t. cruzi?

A

trypomastigote

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10
Q

Stage of t. cruzi found in tissues?

A

amastigote

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11
Q

Stage of t. cruzi found in blood?

A

trypomastigote

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12
Q

Clinical signs of t. cruzi?

A

cardiac disease, chagas disease, fever, enlarged organs

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13
Q

Diagnosis for t. cruzi?

A

blood smear

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14
Q

Diagnosis for giardia?

A

fecal smear

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15
Q

Treatment for t. cruzi?

A

None

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16
Q

Who is most susceptible to t. cruzi?

A

puppies and kittens

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17
Q

Condition name for cystoispora canis?

A

Coccidia

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18
Q

Final host of c. canis?

A

dogs

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19
Q

Paratenic host of c. canis?

A

rodents

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20
Q

Infective stage of c. canis?

A

sporulated cyst

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21
Q

Stage of c. canis found in feces?

A

unsporulated oocyst

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22
Q

pathogenesis/signs of c. canis?

A

enteritis, young dogs will have diarrhea

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23
Q

Treatment for c. canis?

A

Yes

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24
Q

Final host for toxoplasma gondii?

A

Cats

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25
Q

Stage of t. gondii in feces?

A

unsporulated oocyst

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26
Q

Stage of t. gondii in tissues of IH?

A

bradyzoites in cyst

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27
Q

Infective stage of t. gondii to IH?

A

sporulated oocyst

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28
Q

Infective stage of t. gondii to FH?

A

bradyzoites in cyst

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29
Q

What is the main concern with t. gondii?

A

transmission to humans, pregnant women susceptible

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30
Q

Pathogenesis of t. gondii?

A

none, unless immune compromised (FIV)

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31
Q

Clinical signs of t. gondii?

A

penumonia important

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32
Q

Diagnosis of t. gondii?

A

fecal

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33
Q

Diagnosis of c. canis?

A

fecal

34
Q

Treatment of t. gondii?

A

Yes

35
Q

FH of sarcocystis spp?

A

dogs, cats, humans

36
Q

IH of sarcocystis spp?

A

cattle, birds, etc

37
Q

Stage of sarcocystis spp in FH GIT?

A

sporulated oocyst

38
Q

Stage of sarcocystis spp in feces?

A

sporulated oocyst

39
Q

Stage of sarcocystis spp in IH tissues

A

sarcocysts w/ bradyzoites

40
Q

Pathogenesis of sarcocystis?

A

None in final, abortion in IH, fatal to IH

41
Q

Diagnosis of sarcocystis spp?

A

fecal

42
Q

Treatment of sarcocystis spp?

A

No

43
Q

FH of hepatozoon spp?

A

Dogs

44
Q

Vector of hepatozoon?

A

amblyomma maculatum and rhipicephalus sanguineus

45
Q

Infective stage of hepatozoon?

A

Tick with sporozoites

46
Q

Vector of hepatozoon infected by?

A

Blood meal w/ gamonts

47
Q

Stage of hepatozoon in FH blood?

A

gamont

48
Q

Site of infection of hepatozoon?

A

WBCs

49
Q

Pathogenesis of hepatozoon canis?

A

Subclinical

50
Q

Pathogenesis of hepatozoon americium?

A

sever disease, leukocytosis, joint pain, myositis

51
Q

Treatment of hepatozoon?

A

None

52
Q

Condition name from babesia spa?

A

Canine babesiosis, canine piroplasmosis

53
Q

Final host of babesia?

A

Dogs

54
Q

Vector of babesia?

A

rhipicephalus sanguineus

55
Q

Where does sexual reproduction of babesia occur?

A

Within the tick

56
Q

Infective stage of babesia

A

sporozoite

57
Q

Stage of babesia in blood?

A

trophozoites and merozoites

58
Q

Site of infection of babesia?

A

RBCs

59
Q

Pathogenesis/signs of babesia?

A

RBCs destroyed causing anemia, splenomegaly, anorexia, depression

60
Q

Diagnosis of babesia?

A

blood smear

61
Q

Treatment of babesia?

A

Yes, but not w/i the US

62
Q

FH of theileria spp?

A

cats

63
Q

Vector of theileria?

A

amblyomma americanum

64
Q

Site of infection of thieleria?

A

blood

65
Q

Pathogenesis of theileria?

A

rapid death, fever, anemia, icterus, dehydration

66
Q

Diagnosis of theileria?

A

blood smear

67
Q

Treatment of theileria?

A

None

68
Q

Which protozoa that we studied can the host develop an immunity to after the first infection?

A

t. gondii

69
Q

What is the most fatal protozoa we studied?

A

Theileria

70
Q

Which parasites asexual stages cause damage?

A

Cystoispora canis, t. gondii, sarcocystis, hepatozoon, elmeria leukarti

71
Q

Which protozoa sporulate within the FH?

A

sarcocystis spp, sarcocystis neurona

72
Q

Which protozoa sporulate in the environment?

A

cystoisospora, toxoplasma, elmeria leukarti

73
Q

Final host of elmeria leukarti?

A

Equids

74
Q

Stage of e. leukarti in feces?

A

unsporulated oocyst

75
Q

Infective stage of e. leukarti?

A

sporulated oocyst

76
Q

Site of infection of e. leukarti?

A

SI

77
Q

Signs of e. leukarti?

A

Intermittent diarrhea, not severe

78
Q

Diagnosis of e. leukarti?

A

float, sedimentation

79
Q

Treatment of e. leukarti?

A

Yes

80
Q

condition from s. neurona

A

equine protozoal myeloencephalitis (EPM)

81
Q

final host of s. neurona

A

opossum

82
Q

aberrant host of s. neurona

A

horse

Parasitology (5 decks)

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