Sarcocystis

Question 0

asexual stages occur in ________ host which is often __________

Answer 0

intermediate

prey animal

Question 1

Sarcocystis is Heteroxenous T or F

Answer 1

True

becuase they have more than 1 kind of host

Question 2

sexual stages develop in __________ host which is _________

Answer 2

definitive host

carnivorous(predator)

Question 3

_________ is terminal asexual stage

Answer 3

sarcocyst(similar to schizont)

Question 4

sarcocyst in presen in ___________ of IH

Answer 4

striated muscles

Question 5

sarcocysts are of two types i.e.

Answer 5

macroscopic

microscopic

Question 6

macroscopic sarcocyst(>1mm) are found in _________

Answer 6

S. cruzi of cattle-dog cycle

Question 7

microscopic sarcocyst(<1mm) is seen in _________

Answer 7

S. fusiformis of buffalo-cat cycle

Question 8

immature sarcocyst contain globular parasites called __________

Answer 8

metrocytes(mother cells)

Question 9

metrocytes produce banana shaped _________ throught the process of ___________

Answer 9

bradyzoites

endodyogeny

Question 10

________ are located in cortex of sarcocyst & ________ in medulla

Answer 10

metrocytes

bradyzoites

Question 11

Sarcocystis are more host specific fo IH or DH

Answer 11

IH

Question 12

the only Sarcocystis species trasnmissible to dogs, which is transmitted to cats in __________

Answer 12

S. cruzi

Question 13

on ingestion if sarcocyst by DH, ________ is liberated in its intestine

Answer 13

bradyzoites

Question 14

bradyzoites develop into _______ & ________ in ratio if ______

Answer 14

macrogamont
microgamont
95:5

Question 15

gametogonic stages develop in which cells?

Answer 15

goblet cells

entericytes

Question 16

oocysts sporulate in external enviroment or DH

Answer 16

in lamina propria of DH

Question 17

oocyst are shed between ____& ____ weeks after ingestion of sarcocyst

Answer 17

1-2 weeks

Question 18

sarcocysts are formed from what?

Answer 18

merozoites liberated from 2nd generation schizonts develop into sarcocyst in striated muscles

Question 19

each sporulated oocyst of Sarcocystis is
_________sporocystic
_________sporozoic

Answer 19

BIsporocystic
TETRAsporozoic

similar to Isospora

Question 20

IH become infected by ingesting __________

Answer 20

sporocyst

Question 21

sporozoites develop into schizonts in __________ part of body

Answer 21

endothelial cells of blood vessels of organs

Question 22

1st gen. schizonts are harmful or 2nd gen. schizonts

Answer 22

2nd generation schizonts

Question 23

sarcocysts formation occur in _______ part of body

Answer 23

striated muscles

Question 24

microsarcocyst belong to those species in which DH is ____________

Answer 24

canids/humans

Question 25

macrosarcocyst belong to those species in which DH is _________

Answer 25

felids

Question 26

name the three species of Sarcocystis in cattle

Answer 26

S. cruzi(cattle-DOG) S. hirsuta(cattle-CAT) S. hominis(cattle-MAN)

Question 27

name the most pathogenic Sarcocystis species of cattle

Answer 27

S. cruzi

Question 28

2 most important pathogenic lesions of S. cruzi

Answer 28

``` hair loss(particularly at TIP of TAIL) hypersalivation ```

Question 29

first recognizable lesion in S. cruzi infection

Answer 29

focal necrosis in gut associated lymph nodes

Question 30

in chronic cases of S. cruzi, the most notable lesion is _________

Answer 30

serous atrpohy of fat(esp. pericardial & perirenal)

Question 31

2 species of sacrocystis found in buffalo

Answer 31

S. fusiformis(buffalo CAT) | S. levinei(buffalo DOG)

Question 32

S. cruzi sarcocyst has _______ like protusions

Answer 32

ribbon

Question 33

S. fusiformis sarcocyst has ________ like protusions

Answer 33

cauliflower

Question 34

S. levinei sarcocyst has _______ villar protusions

Answer 34

sloping wavy

Question 35

Sarcocystis species found in sheep are

Answer 35

S. tenella(DOG) S. arieticanis(DOG) S. gigantica(CAT) S. medusiformis(CAT)

Question 36

sarcocyst of S. arieticanis has _________ projections

Answer 36

hair like

Question 37

sarcocyst of S. gigantica has _______wall

Answer 37

PAS positive connective tissue secondary

Question 38

No secondary wall in present in S. medusiformis TRUE or FALSE

Answer 38

TRUE

Question 39

most pathogenic Sarcocystis species of goat is

Answer 39

S. capracanis

Question 40

S. capracanis sarcocyst has _________ like protusions

Answer 40

finger | hair like in S. arieticanis

Question 41

first generation schizonts of sarcocystis of pig are found in ________

Answer 41

liver endothelium

Question 42

name the sarcocystis of pig have radially striated sarcocyst

Answer 42

S. miescheriana

Question 43

Sarcocystis of pig which is zoonotic

Answer 43

S. suihominis

Question 44

how to kill sarcocysts in meat

Answer 44

heat exposure above 55 C for 20 min