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protozoology > Toxoplasma > Flashcards

Toxoplasma Flashcards

0
Q

toxoplasma means

A

toxo=arc

plasma=form

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1
Q

Toxoplasma gondi is also known as

A

intestinal coccidian of felids

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2
Q

toxoplasma name is derieved from _________ shape of ________ stage

A

crescent

tachyzoite

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3
Q

toxoplasma gondi is a ________cellular parasite

A

intra

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4
Q

toxopasma gondi is transmitted by 3 ways i.e.

A

congenital
carnivorism
faecal oral route

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5
Q

T. gondi has _____ infective stages

A

3

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6
Q

name the 3 infective stages of T. gondi

A

tachzoites
bradyzoites
sporozoites

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7
Q

tachoziotes are found in ________

A

pseudocyst

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8
Q

bradyzoites are found in ________

A

tissue cyst

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9
Q

sporozoites are found in _______

A

oocyst

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10
Q

bradizoites of tachyzoites divide fast

A

tachyzoites

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11
Q

the term pseudocyst has been used becuase

A

there is no well defined parasitic membrane around tachyzoites

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12
Q

_______cyst has well defined parasitic membrane

A

tissue

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13
Q

_______ is the resting stage of parasite in the host cell

A

tissue cyst

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14
Q

nucleus of _______zoites is centrally located

A

tachy

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15
Q

how are DH infected

A

by ingestion of any of the three infective stages

16
Q

released bradyzoites oass through _______cycle followed by sexual cycle

A

asexual

17
Q

bradyzoites oass through ____to_____ Asexual generations

A

A

E

18
Q

______ is smallest of all the 5 asexual Toxoplasma types

A

Type A

19
Q

characterstic of Type B

A

centrally placed nucleus

20
Q

characterstic of type C & E

A

elongate

sub-terminal nucleus

21
Q

type E resemble _______

A

type D

22
Q 
mode of sexual reproduction of 
type A
type B
type C
type D
type E
A 
A=
B=endodyogeny,endopolygeny
C=schizogony
D=endopolygeny
E=schizogony
23
Q

merozoitesvreleased from schizont of type____ &_____ initiate gamete for ation

A

D

E

24
Q

each oocyst is
_______sporocystic
_______sporozoic

A

Bi
Tetra

same as Isospora

25
Q

DH for T. gondi is ________

A

cat

26
Q

host in T. gondi infection dies due to necrosis of _______,______

A

intestine

messentric lymph nodes

27
Q

name the method used for diagnosis of T. gondi

A

peroxidase-immunoperoxidase method

28
Q

name the vaccination against Toxoplasma gondi

A

toxovax

29
Q

two drugs for T. gondi treatment

A

sulphadiazine

pyrimethamine

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