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Parasitology > Lab #3 > Flashcards

Lab #3 Flashcards

1
Q

What are the two groups of parasitic flagellated Protozoa

A
  1. Trichomonads and diplomonads
  2. Tyrpanosomatids
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2
Q

Where do trichomonads and diplomonads primarily live

A

GI and urogential tract

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3
Q

Are trichomonads heteroxenous or monoxenous

A

Monoxenous

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4
Q

How are trichomonads and diplomonad transmitted

A

Feces or genital secretions

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5
Q

Where do trypanosomatids live

A

Blood, lymph, tissue spaces

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6
Q

Are trypanosomatids heteroxenous or monoxenous

A

Heteroxenous

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7
Q

How are trypanosomatids transmitted

A

Hematophagus insects

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8
Q

Trichomonads or diplomonads: 1 nucelus

A

Trichomonads

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9
Q

Trichomonads or diplomonads: 2 nuceli

A

Diplomonads

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10
Q

Trichomonads or diplomonads: form thick walled cysts

A

Diplomonads

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11
Q

Which species of Trichomonads causes diarrhea in cats

A

T. Blagburni

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12
Q

What species of Trichomonads cause infertility, spontaneous abortion in cows

A

T. Foetus

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13
Q

Which species of trichomonads cause lesions in upper digestive and respiratory tracts of wild and pet birds

A

T. Gallinae

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14
Q

What species of trichomonad is this? Commonly causes diarrhea in cats

A

T. Blagburni

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15
Q

What species of trichomonad is this? Causes abortion and infertility in cows

A

T. Foetus

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16
Q

What species of trichomonad is this? Causes lesions to upper digestive and respiratory tracts of birds

A

T. Gallinae

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17
Q

Is Giardia a trichomonad or diplomonad

A

Diplomonad

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18
Q

What form of Giardia causes disease in cockatiels, parakeets and other small psittacine birds

A

G. Psittaci

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19
Q

What species of Giardia infect dogs, cattle and cats

A

G. Duodenalis

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20
Q

How many nuclei do mature Giardia cysts contain

A

4

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21
Q

Upon excystation of Giardia cysts how many trophozoites emerge

A

2

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22
Q

What species of Giardia is this, commonly infects birds

A

G, psittaci

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23
Q

What species of Giardia is this, commonly infects mammals

A

G. Duodenalis

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24
Q

What parasitic Protozoa can be detected in lateral flow immunoassays

A

Giardia and cryptosporidium

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25
Q

Trypanosomatid trophozoites have a single ___ and harbor an organelle called ___ that trichomonads and diplomats lack

A

Flagellum and kinetoplast

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26
Q

what species of trypanosoma is this, causes canine chagas disease

A

T. Cruzi

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27
Q

What is the vector of T. Cruzi

A

Triatomine (kissing) bugs

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28
Q

What are the two morphological forms of T. Cruzi

A

Trpomastigotes and amastigotes

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29
Q

Where do trypomastigotes and amastigotes reside in dogs

A

Macrophages and cardiomyocytes

30
Q

What form of T. Cruzi is this

A

Trypomastigotes

31
Q

What form of T. Cruzi is this

A

amastigotes

32
Q

What is the most common species of Leishmania for domestic species

A

L. Infantum

33
Q

What is the primary species infected with L. Infatum

A

Dogs

34
Q

What is the vector for leishmania

A

Sandflies

35
Q

L. Infantum is often diagnosed in dogs imported from

A

Southern Europe or South America

36
Q

Autochthonus L. Infantum ingestion occurs in __from many eastern US states

A

Foxhounds

37
Q

How can Leishmania be transmitted between dogs

A

Transplacentally or via contaminated blood, oral and genital secretions

38
Q

What form of Leishmania is typically observed in macrophages in the skin, bone marrow and visceral organs

A

Amastigotes

39
Q

Where do ciliates typically live

A

GI tract

40
Q

Ciliates produced thick walled ___

A

Cysts

41
Q

Are ciliates monoxenous or heteroxenous

A

Monoxenous

42
Q

What serious entamoeba species that infects captive reptiles

A

E. Invadens

43
Q

What does E. Invadens cause in reptiles

A

Fatal colitis and extra-intestinal infection

44
Q

Describe the cysts of E. Invadens

A

Spheroid and contain 4 nuclei when mature

45
Q

What form of entamoeba sometimes cause colitis in dogs and cats

A

E. Histolytica

46
Q

What species does balatindium coli commonly infect

A

Swine

47
Q

T or F: balatinidum coli is typically parasitic in swine

A

No, typically commensal

48
Q

Describe the nuclei shapes of B. Coli

A

Kidney shaped macro nucleus and a spheroid micro nucleus

49
Q

What are the two main groups of apicomplexans

A
  1. Coccidia and cryptosporidium
  2. Piroplasmids and haemosporids
50
Q

Where do coccidia and cryptosporidium infect

A

GI tract

51
Q

Where do piroplasmids and haemosporids typically infect

A

RBC and leukocytes

52
Q

Are piroplasmids and haemosporids heteroxenous and monoxenous

A

Heteroxenous

53
Q

Cryptosporidium and coccidia multiply asexually and produce ___

A

Oocysts

54
Q

Are cryptosporidium monoxenous or heteroxenous

A

Monoxenous

55
Q

Cryptosporidium commonly cause diarrhea in what species

A

Calves, dogs and cats

56
Q

Are coccidia heteroxenous or monoxenous

A

Monoxenous and heteroxenous

57
Q

What are the monoxenous species of coccidia

A

Cystoisospora, eimeria, isospora

58
Q

What are the heteroxenous species of coccidia

A

Toxoplasma and neospora

59
Q

The rapidly dividing ___ causing systemically disease- chronic toxoplasmosis in kittens

A

Tachyzoites

60
Q

What is the main vector for piroplasmids

A

Ticks

61
Q

What are the major haemosporids

A

Plasmodium, leucocytozoon, and haemoproteus

62
Q

What is the preferred stain for cryptosporidium

A

Acid fast

63
Q

What parasitic Protozoa is this, commonly infects dogs and can cause cutaneous or visceral disease

A

Leishmania Infantum

64
Q

What parasitic Protozoa is this? Commonly infects reptiles. What are the dark purple circles

A

Entamoeba invadens Trophozoite

Purple circles are ingested erythrocytes

65
Q

What parasitic Protozoa is this, commonly infects reptiles

A

E. Invadens cyst- note 4 nuclei

66
Q

What is this parasitic Protozoa? It is typically a commensal bacteria found in pigs but can cause disease

A

Balantidium coli

Left: Trophozoite
Right: cyst

67
Q

What parasitic Protozoa is this, that commonly causes diarrhea in cows

A

Cryptosporidium

68
Q

What parasitic Protozoa is this that commonly infects chickens

A

Eimeria Tenella

69
Q

What parasitic Protozoa is this that commonly infects cats

A

Cystoisospora felis

70
Q

What parasitic Protozoa is this that commonly infects cats

A

Toxoplasma gondii
Left: oocyst
Right: Tachyzoites

71
Q

What type of parasitic Protozoans are these? Which is on the left and which is on the right. How do you know

A

Left: babesia Bovis
Right: babesia Bigemina

Babesia Bigemina have large parasites in the RBC

72
Q

What parasitic Protozoa is this? Infects a variety of mammals and is vectored by mosquitoes

A

plasmodium

Parasitology (28 decks)

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