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bacteriology labs > CHLAMYDIA, RICKETTSIA, MYCOPLASMA > Flashcards

CHLAMYDIA, RICKETTSIA, MYCOPLASMA Flashcards

1
Q

infectious form of chlamydia is elementary in the body?

A

True

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2
Q

NAD is needed for culturing of chlamydia species?

A

False

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3
Q

As a result of stamp - staining chlamydia is green?

A

False

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4
Q

chlamydia psittaci can cause conjunctivitis in birds?

A

True

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5
Q

Rickettsia species can propagate in lymphoid and endothel cells only?

A

False

(Rickettsia, coxiella: propagate in all cell types)

(Erlichia, neorickettsia: lymphoid cells, endothel cells)

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6
Q

Q fever is caused by coxiella burnetti?

A

True

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7
Q

mycoplasmas have pleomorphic shape?

A

true

(pleomorphic pear shaped)

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8
Q

Mycoplasmas are obligate anaerobic bacteria?

A

False

(facultative anaerobic)

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9
Q

Contagious bovine plueropneumonia is caused by mycoplasma bovis?

A

False

(M. mycosides ssp. mycosides SC)

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10
Q

mycoplasma gallisepticum can cause chronic respiratory disease of birds?

A

True

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11
Q

fuchsin is used as a counter stain in stamp staining?

A

False

(3% malachite - green)

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12
Q

the resistance of reticulate body is higher than resistance of elementary body?

A

False

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13
Q

Trachoma is caused by chlamydia psittaci in humans?

A

false

(by chlamydia trachomatis)

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14
Q

all members of the family rickettsia are obligate cell parasites?

A

true

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15
Q

the causative agent of Q-fever needs arthropod vectors, because it cannot survive in the environment for a long time?

A

False

(no vectors are needed)

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16
Q

cat scratch fever is caused by rickettsia rickettsii?

A

False

(B. henselae)

17
Q

mycoplasmas have typical colony forms, like fried eggs?

18
Q

bovine pleuropneumonia is caused by M. mycoides ssp. mycoides LC?

A

False

(M. mycoides ssp. mycoides SC)

19
Q

enzootic pneumonia of swine is caused by mycoplasma hyopneumoniae?

20
Q

Mycoplasmas are the smallest free tiving organisms?

21
Q

chlamydia pneumoniae has a cell wall?

22
Q

chlamydia psittachi causes ornithosis?

23
Q

chlamydia can be found in infected hosts only?

24
Q

mycoplasma haemofelis can cause cat haemobartonellosis?

25
Q

heartwater disease of ruminants is caused by ehrlichia ruminantium?

26
Q

cat scratch fever is caused by anaplasma species?

A

False

(B. henselae)

27
Q

mycoplasma species can cause turbidity in liquid medium?

A

False

(no turbidity)

28
Q

mycoplasma bovism form fried egg shaped colonies?

29
Q

contagious bovine pleuropneumonia is caused by M. mycoides ssp. mycoides SC?

bacteriology labs (4 decks)

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