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Para- Giraffe PQ's > Trypanosoma, Leishmania, Giardia, Trichomonas, Histomonas > Flashcards

Trypanosoma, Leishmania, Giardia, Trichomonas, Histomonas Flashcards

1
Q

Which diagnostic methods are used to detect the presence of trypanosomes in dried blood smears?

A

Giemsa

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2
Q

What is the main difference between the detection of intestinal trichomonas or Giardia infection?

A

Giardia turn to cyst, trichomonas does not

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3
Q 
What is found in giardiasis?
A: Trypomastigotes
B: Promastigotes
C: Oocytes
D: Others
A

D Others

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4
Q

What is an adequate method to detect Giardia cysts in the fresh feces?

A

Flotation

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5
Q 
Which forms of Thrichomonas can be found in the outer environment?
A: Cyst 
B: Flagellated 
C: Ameboid 
D: Not any forms
A

D: Not any forms

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6
Q

Which is the non-cyclic Trypanosoma species among the next ones?

A

T. evansi

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7
Q

Which morphological form of the Leishmania can be found in the vertebrate?

A

Amastigote

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8
Q

What are the morphs of leishmanias that appear in macrophages?

A

Amastigotes

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9
Q

What species are susceptible for the disease of “mal de caderas”?

A

Horse and donkey

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10
Q

What is the Trypanosoma that infects host without vectors?

A

T equiperdum

veneral transmission

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11
Q

How many flagellums does a Giardia trophozite have?

A

Eight

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12
Q

Which method of staining can be applied to detect Histomonas in tissues?

A

PAS

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13
Q

Which is the largest causative agent of Nagan?

A

T. brucei brucei

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14
Q

Most frequent cause of death in Nagana?

A

Heart failure

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15
Q

Which species does the causative agent of dourine belong to?

A

T equiperdum

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16
Q

Name of parasite found in closely related species

A

Stenoxenous

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17
Q

Which has cutaneous and visceral forms?

A

Leishmaniasis

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18
Q

What is the animal obligatory for the completion of the life cycle?

A

Definitive host

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19
Q

Parasite of cycle involves one host?

A

Monoxenous

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20
Q

Which does not cause Nagana?

A

T. equiperdum

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21
Q

Which cysts can be found in the faeces of the animal?

A

Giardiasis

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22
Q

Which is monomorphic

A

T vivax

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23
Q

How do the clinical signs of Dourine follow eachother?

A

Genital– skin– nerves

24
Q

Which host is not needed to complete the life cycle?

A

Paratenic host

25
Q

Test used in Dourine?

A

Complement fixation test

26
Q

Which animal has the generalized form of histomonosis

A

Guinea fowl

27
Q

What is the name of Trichomoniasis species found in cattle?

A

Tritrichomonas foetus

28
Q

Parasite that can only be established in one host?

A

Stenoxenous

29
Q

Can be detected in giardiasis?

A

Trophozoites

30
Q

Which is not zoonotic?

A

Histomonosis

31
Q

Flagellate form can be found in the caecal lumen?

A

Histomonosis

32
Q

Who is pleomorphic?

A

T. brucei

33
Q

In which faecal sample can you find cysts?

A

Giardiasis

34
Q

What can you find in the blood smear of dourine?

A

Trypomastigotes

35
Q

Which of these parasites can infect more than one host?

A

Euryxenous

36
Q

Which species is found in old/new world America?

A

T vivax

37
Q

What is the vector of leishmaniasis?

A

Sandfly

Phlebotomine sp

38
Q

What is the vector of nagana?

A

Tsetse fly (+stomoxys and tabanus)

39
Q

Whatis the number of nuclei in infected cysts of entamoebosis?

A

4

40
Q

What can be detected in leishmaniasis?

A

Amastigotes

41
Q

Which form of Histomonas is found in the caecum?

A

Flagellate

42
Q

Which Trypanosoma needs a mechanical vector?

A

T. evansi

43
Q

What species is primarily affected by Histomonas meleagridis?

A

Turkey

44
Q

Which parasite species causes Black head?

A

Histomonas meleagridis

45
Q

Which is the clinical form of leishmaniasis in dogs?

A

Cutaneous form

46
Q

How do you detect leishmaniasis?

A

Smear- giemsa staining

Detection of amastigotes

47
Q

Which test can you use to detect Dourine?

A

Complement fixation test, perform twice with 3 week intervals

48
Q

Cellular organelle of leishmaniasis consists of?

A

Nucleus
Kinetoplast
Axoneme or basal body

49
Q

Which species is primarily affected by Histomonas meleagridis?

A

Turkey: 3-12 wks

50
Q

Which parasites are pleomorphic?

A

T. brucei

Histomonas meleagridis

51
Q

What can we detect in giardiasis?

A

Faecal smear
Trophozoites (vegetative form)
Cysts (infectious form)

52
Q

Which cells carry leishmaniasis?

A

Macrophages

53
Q

Which trypanosome is not involved in nagana?

A

T. brucei

T. evansi

54
Q

Which cellular organelle is present in Trypanosoma?

A

Kinetoplast

55
Q

Which parasite release cysts into the faeces of animals?

A

Giardia duodenalis

56
Q

What is the mechanical vector of nagana?

A

Stomoxys

Tabanus

Para- Giraffe PQ's (18 decks)

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