Lab 3

Question 1

Where does the merozoite develop?

Answer 1

Inside Schizont.

Question 2

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

Answer 2

1.

Question 3

What does the sporulated oocyst of Coccidiosis contain?

Answer 3

4 sporocysts and 2 sporozoites.

Question 4

How many gamonts can develop from one schizont?

Answer 4

Many.

Question 5

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

Answer 5

8 cells.

Question 6

How many epithelial cells can be infected by the content of 1 Eimera sporocyst?

Answer 6

2.

Question 7

How can we recognise chicken coccidia by sp in the most simple way?

Answer 7

Necroscopy findings.

Question 8

In order to identify the sp. of a sporulated oocyte, what of the followng is needed?

Answer 8

Size of oocyte.

Question 9

What does the unsporulated oocyst contain?

Answer 9

Zygote.

Question 10

How many macrogametes can develop from 1 macrogamont?

Answer 10

1.

Question 11

The correct order in the life cycle of Eimera?

Answer 11

Sporongy, Schizogeny, Gametogony, Sporogony.

Question 12

Which sp. of Eimera are haemorrhagic?

Answer 12

E.tenella, E.necatrix and E.brunetti.

Question 13

Which sp. of Eimera are not haemorrhagic?

Answer 13

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

Question 14

Which 3 sp. are not characterized by blood in the intestines?

Answer 14

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

Question 15

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

Answer 15

Mc Master method.

Question 16

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

Answer 16

Praepatent period.

Question 17

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

Answer 17

PAS.

Question 18

What does the sporulated oocysts contain?

Answer 18

Sporocysts.

Question 19

Where does the sporozoite develop?

Answer 19

In the oocyst.

Question 20

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

Answer 20

Macrogamestocytes.

Question 21

Which animal sp can be infected by Eimera maxima?

Answer 21

Chicken.

Question 22

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

Answer 22

Petechia.

Question 23

Which statement is true?

Answer 23

E.maxima has a 30x20µm oocyst that is characteristic.

Question 24

Szie of oocyte can be used as identification for which of these sp.?

Answer 24

E.maxima or other.

Question 25

Where does the sporogony of Eimera maxima takes palce?

Answer 25

In outer environment.

Question 26

Which animal can be infected by Eimera acervulina?

Answer 26

Chickens.

Question 27

Where does the sporogony of E acervulina take place?

Answer 27

In outer environment.

Question 28

Where does the szhizogony of E acervulina take place?

Answer 28

In epithel of Duodenum and jejunum.

Question 29

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

Answer 29

E.acervulina.

Question 30

Where does the gametogony of E.acervulina take place?

Answer 30

Duodenum and Jejunum.

Question 31

Where do the Eimera acervulina gamonts develop?

Answer 31

Duodenum and Jejunum.

Question 32

Where do Schizonts of Eimera necatrix develop?

Answer 32

Jejunum and Ilem.

Question 33

In coccisiosis caused by E.necatrix, what can be found on the intestines?

Answer 33

Unclotted blood.

Question 34

Animals infected by Ebrunetti?

Answer 34

Chickens.

Question 35

Where does the sporogony of Eimera brunetti takes place?

Answer 35

In outer environment.

Question 36

What is not true?

Answer 36

E.brunetti is found in duodenum.

Question 37

Where do the Eimera brunetti schizonts develop?

Answer 37

Lower part of intestine.

Question 38

Which animal sp. can be infected by Eimera tenella?

Answer 38

Chicken.

Question 39

Where do the Eimera tenalla schizonts develop?

Answer 39

Caecum.

Question 40

Where do schizonts of E.mitis develop?

Answer 40

Jejunum.

Question 41

Which symptom does not appear in case of renal coccisidiosis?

Answer 41

Bloody faeces.

Question 42

In the goose what sp. of Eimera affects the kidneys?

Answer 42

E.truncata.

Question 43

Where is the E.truncata primarily located?

Answer 43

Renal tubules.

Question 44

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

Answer 44

Torticollis.