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Parasitology tests > 3 PQ > Flashcards

3 PQ Flashcards

1
Q

In order to identify the species of a sporulated oocyte, what of the following is needed?

A

Size of oocyte

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2
Q

Where do the Eimera acervulina gamonts develop?

A

Duodenum and Jejunum

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3
Q

Where does the sporogony of Eimera maxima takes place?

A

In outer environment

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4
Q

During gametogony when the merozoites develop into the female gametocytes they are called?

A

Macrogametocytes

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5
Q

Which species of Eimera are not haemorrhagic?

A

E. maxima, E. acervulina, E. mitis and E. praecox

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6
Q

Where does the schizogony of Eimera acervulina take place?

A

In epithel of Duodenum and Jejunum

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7
Q

Which species of Eimera are haemorrhagic?

A

E. tenella, E. necatrix and E. brunetti

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8
Q

Where does the sporozoite develop?

A

In the oocyst

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9
Q

How many epithelial cells can be infected by the content of one schizont of Eimera?

A

many

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10
Q

Which statement is true.

A

E. maxima has a 30x20 μm oocyst that is characteristic

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11
Q

Where do schizonts of E. mitis develop?

A

In the Jejunum

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12
Q

Where do the Eimera brunetti schizonts develop?

A

Lower part of intestine

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13
Q

Is E. brunetti found in the duodenum?

A

no

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14
Q

What does the unsporulated oocyst contain?

A

zygote

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15
Q

Which one has discrete white foci or transverse bands which are ladder-like?

A

E. acervulina

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16
Q

In the goose what species of Eimeria affects the kidneys?

A

E.truncata

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17
Q

Where does the merozoite develop?

A

Inside schizont

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18
Q

In coccidiosis caused by E. necatrix, what can be found on the intestines (lumen)?

A

Unclotted blood

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19
Q

Which animal species can be infected by Eimera acervulina?

A

chickens

20
Q

Where does the sporogony of Eimera acervulina takes place?

A

In outer environment

21
Q

Which animal species can be infected by Eimera maxima?

A

Chicken

22
Q

How many cells can be infected by a merozoite of Eimera?

A

1

23
Q

What do you find on mucosa during an infection with E. maxima?

A

Petechiae (also on serosa)

24
Q

Which method do you not use to identify the species in the chicken coccidosis?

A

McMaster method (it counts the number of oocysts but does not tell you which species it is)

25
Q

The correct order in the life cycle of Eimera?

A

Sporongy (in environment), schizogeny (in intestinal cells), gametogony (in intestinal cells), sporogony (of new oocysts in the enviroment)

26
Q

Which 3 species are not characterized by blood in the intestines?

A

E. acervulina, E. mitis and E. praecox

27
Q

Which has slightly orange/salmon pink exudate in lumen?

A

E. maxima

28
Q

Where is the E. truncata primarily located?

A

Renal tubules

29
Q

Animals infected by E. brunetti?

A

chickens

30
Q

Size of oocyte can be used as identification for which of these species?

A

E. maxima or ”other” (oocysts of other species are not characteristic to identify species)

31
Q

Where does the sporogony of Eimera brunetti takes place?

A

In outer environment

32
Q

Which animal species can be infected by Eimera tenella?

A

Chicken

33
Q

How can we recognize chicken coccidia by species in the most simple way?

A

Based on necroscopy findings

34
Q

Where do schizonts of Eimera necatrix develop?

A

In Jejunum and Ileum

35
Q

How many macrogametes can develop from one macrogamont?

A

1

36
Q

How many cells can be infected by the content of one Eimera oocyst?

A

8

37
Q

How many epithelial cells can be infected by the content of one Eimera sporocyst?

A

2

38
Q

What does the sporulated oocysts contain?

A

Sporocysts

39
Q

Which of the following is an symptom of E. truncata?

A

Torticollis

40
Q

Which symptom does not appear in case of renal coccidiosis?

A

bloody faeces

41
Q

How many epithelial cells can become infected by 1 Eimeria oocyst at the beginning of infection?

A

8 cells (4 sporocysts with 2 sporozoites in each)

42
Q

What does the sporulated oocyst of coccidiosis contain?

A

4 sporocysts and 2 sporozoites

43
Q

How many gamonts can develop from one schizont?

A

many

44
Q

Time lapse from infection of host to apperence of parasite sexual product in faeces is called?

A

Praepatent period

45
Q

Where do the Eimera tenalla schizonts develop?

A

Caecum

46
Q

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

A

PAS

47
Q

Where does the gametogony of E. acervulina take place?

A

Duodenum and Jejunum

Parasitology tests (6 decks)

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