para lab 3

Question 1

Where does the merozite develop?

Answer 1

Inside schizont

Question 2

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

Answer 2

One

Question 3

What does the sporulated oocyst of coccidiosis contain?

Answer 3

4 sporocysts

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 Elimeria oocyst at the beginning of infection?

Answer 5

8 cells (4 sporocysts with 2 sporozoites each)

Question 6

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

Answer 6

8

Question 7

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

Answer 7

2

Question 8

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

Answer 8

Based on necroscopy findings

Question 9

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

Answer 9

Size of oocyte

Question 10

What is the unsporulated oocyte contain?

Answer 10

Zygote

Question 11

How many macrogametes can develop from one macrogamont?

Answer 11

one

Question 12

The correct order in the life cycle of Eimera?

Answer 12

Sporongy (in environment
Schizogeny (in intestinal cells)
Gametogony (in intestinal cells)
Sporogony (of new oocysts in the environment)

Question 13

Which species of Eimera are haemorrhagic?

Answer 13

E.tenella
E.necatrix
E.brunetti

Question 14

Which species of Eimera are NOT haemorrhagic?

Answer 14

E.maxima
E.acervulina
E.mitis
E praecox

Question 15

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

Answer 15

E.acervulina
E.mitis
E praecox

Question 16

Which method do you nNOT use to identify the species in the chicken coccidosis?

Answer 16

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

Question 17

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

Answer 17

Praepatent period

Question 18

What does 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

Macrogametocytes

Question 21

Which animal species can be infected by Eimera maxima?

Answer 21

Chicken

Question 22

What do you find during infection with E.maxima?

Answer 22

Pathechiae also on serosa

Question 23

Which statement is true?

Answer 23

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

Question 24

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

Answer 24

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

Question 25

Which has slightly orange/salmon pink exudate in lumen?

Answer 25

E.maxima

Question 26

Where does the sporogony of Eimera maxima take place?

Answer 26

The outer environment

Question 27

Which animal species can be infected by Eimera acervulina?

Answer 27

Chickens

Question 28

Where does the schizogony of Eimera 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.arcevulina

Question 30

Where does the gametogony of E.acervulna take place?

Answer 30

Duodenum and jejunum

Question 31

Where does Eimera acervulina gamonts develop?

Answer 31

Duodenum and jejunum

Question 32

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

Answer 32

Unclotted blood

Question 33

Animals infected by E.burnetti?

Answer 33

Chickens

Question 34

Where does the sporogony of E.burnetti take place?

Answer 34

The outer environment

Question 35

What is NOT true?

Answer 35

E.burnetti is found in the duodenum

Question 36

Where do the E.brunetti schizonts develop?

Answer 36

Lower part of intestine

Question 37

Which animal species can be infected by E.tenella?

Answer 37

Chicken

Question 38

Where do the E.tenalla schizonts develop?

Answer 38

Caecum

Question 39

Where do schizonts of E.mitis develop?

Answer 39

In the jejunum

Question 40

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

Answer 40

Bloody faeces

Question 41

In the goose what species of Eimeria affect the kidneys?

Answer 41

E.truncata

Question 42

Where is the E.truncata primarily located?

Answer 42

Renal tubules

Question 43

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

Answer 43

Torticollis