Lab test 2

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 (4 sporocysts and 2 sporozoites in 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 one schizont of eimera?

Answer 7

many

Question 8

how many epithelial cells can be infected by the content of one eimera sporocyst?

Answer 8

2

Question 9

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

Answer 9

based on necroscopy findings

Question 10

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

Answer 10

Size of oocyte

Question 11

What does the unsporulated oocyst contain?

Answer 11

zygote

Question 12

how many macrogametes can develop from one macrogamont?

Answer 12

1

Question 13

the correct order in the life cycle of eimera

Answer 13

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

Question 14

which species of eimera are haemorrhagic?

Answer 14

E. tenella
E. necatrix
E. brunetti

Question 15

which species of eimera are not haemorrhagic?

Answer 15

E. maxima
E. mitis
E. praecox

Question 16

which method do you not 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 injection of host to apperence of parasite sexual product in faeces is called?

Answer 17

Praepatent period

Question 18

which method of staining can be applied to detect histomonas in tissues?

Answer 18

PAS

Question 19

What does the sporulated oocysts contain?

Answer 19

Sporocysts

Question 20

Where does the sporozoite develop?

Answer 20

in the sporocysts

Question 21

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

Answer 21

Macrogametocytes

Question 22

which animal species can be infected by eimera maxima?

Answer 22

Chicken

Question 23

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

Answer 23

Petechiae (also on serosa)

Question 24

Which statement is true?

Answer 24

E. Maxima has a 30x20 microm. oocyst that is characteristic

Question 25

size of oocysts can be used as identification for which of these species?

Answer 25

E. maxima or "OTHER" (OOCYSTS OF OTHER SPECIES ARE NOT characteristic to identify species)

Question 26

which has slightly orange/salmon pink exudate in lumen?

Answer 26

E. maxima

Question 27

where does the sporogony of eimera maxima take place=

Answer 27

in the outer environment

Question 28

which animal species can be infected by eimera acervulina

Answer 28

Chickens

Question 29

where does the sporogony of eimera acervulina take place?

Answer 29

in the outer environment

Question 30

where does the schizogony of eimera acervulina take place?

Answer 30

in epithelial of duodenum and jejunum

Question 31

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

Answer 31

E. acervulina

Question 32

where does the gametogony of E. acervulina take place?

Answer 32

duodenum and jejunum

Question 33

where do the eimera acervulina gamonts develop?

Answer 33

Duodenum and jejunum

Question 34

Where do schizonts of eimera necatrix develop

Answer 34

in jejunum and ileum

Question 35

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

Answer 35

unclotted blood

Question 36

Animals infected by E. brunetti?

Answer 36

chickens

Question 37

where does the sporogony of eimera brunetti take place?

Answer 37

in outer environment

Question 38

what is not true?

Answer 38

E. brunetti is found in the duodenum

Question 39

where do the eimera brunetti schizonts develop

Answer 39

lower part of intestine

Question 40

which animal species can be infected by eimera tenella

Answer 40

Chickens

Question 41

where do the eimera tenalla schizonts develop?

Answer 41

Caecum

Question 42

where do schizonts of E. mitis develop

Answer 42

in the jejunum

Question 43

which symptom does not appear in case of renal coccidiosis?

Answer 43

bloody faeces

Question 44

in the goose what species of eimeria affects the kidney?

Answer 44

E. truncata

Question 45

where is the E. truncata primarily located

Answer 45

renal tubules

Question 46

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

Answer 46

torticollis