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Para lab 3 > para lab 3 > Flashcards

para lab 3 Flashcards

1
Q

Where does the merozite develop?

A

Inside schizont

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2
Q

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

A

One

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3
Q

What does the sporulated oocyst of coccidiosis contain?

A

4 sporocysts

2 sporozoites

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4
Q

How many gamonts can develop from one schizont?

A

Many

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5
Q

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

A

8 cells (4 sporocysts with 2 sporozoites each)

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6
Q

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

A

8

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7
Q

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

A

2

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8
Q

How can we recognise chicken coccoidia by species in the most simple way?

A

Based on necroscopy findings

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9
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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10
Q

What is the unsporulated oocyte contain?

A

Zygote

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11
Q

How many macrogametes can develop from one macrogamont?

A

one

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12
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 environment)

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13
Q

Which species of Eimera are haemorrhagic?

A

E.tenella
E.necatrix
E.brunetti

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14
Q

Which species of Eimera are NOT haemorrhagic?

A

E.maxima
E.acervulina
E.mitis
E praecox

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15
Q

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

A

E.acervulina
E.mitis
E praecox

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16
Q

Which method do you nNOT 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

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17
Q

Time lapse from infection of host to appearance of parasite sexual product in faeces is caled?

A

Praepatent period

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18
Q

What does sporulated oocysts contain?

A

Sporocysts

19
Q

Where does the sporozoite develop?

A

In the oocyst

20
Q

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

A

Macrogametocytes

21
Q

Which animal species can be infected by Eimera maxima?

A

Chicken

22
Q

What do you find during infection with E.maxima?

A

Pathechiae also on serosa

23
Q

Which statement is true?

A

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

24
Q

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

A

E.Maxima or other (oocysts of other species not characteristic to identify species)

25
Q

Which has slightly orange/salmon pink exudate in lumen?

A

E.maxima

26
Q

Where does the sporogony of Eimera maxima take place?

A

The outer environment

27
Q

Which animal species can be infected by Eimera acervulina?

A

Chickens

28
Q

Where does the schizogony of Eimera acervulina take place?

A

In epithel of duodenum and jejunum

29
Q

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

A

E.arcevulina

30
Q

Where does the gametogony of E.acervulna take place?

A

Duodenum and jejunum

31
Q

Where does Eimera acervulina gamonts develop?

A

Duodenum and jejunum

32
Q

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

A

Unclotted blood

33
Q

Animals infected by E.burnetti?

A

Chickens

34
Q

Where does the sporogony of E.burnetti take place?

A

The outer environment

35
Q

What is NOT true?

A

E.burnetti is found in the duodenum

36
Q

Where do the E.brunetti schizonts develop?

A

Lower part of intestine

37
Q

Which animal species can be infected by E.tenella?

A

Chicken

38
Q

Where do the E.tenalla schizonts develop?

A

Caecum

39
Q

Where do schizonts of E.mitis develop?

A

In the jejunum

40
Q

Which symptom does not appear in appear in case of renal coccoidiosis?

A

Bloody faeces

41
Q

In the goose what species of Eimeria affect the kidneys?

A

E.truncata

42
Q

Where is the E.truncata primarily located?

A

Renal tubules

43
Q

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

A

Torticollis

Para lab 3 (1 decks)

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