CHLAMYDIA, RICKETTSIA, MYCOPLASMA Flashcards
infectious form of chlamydia is elementary in the body?
True
NAD is needed for culturing of chlamydia species?
False
As a result of stamp - staining chlamydia is green?
False
chlamydia psittaci can cause conjunctivitis in birds?
True
Rickettsia species can propagate in lymphoid and endothel cells only?
False
(Rickettsia, coxiella: propagate in all cell types)
(Erlichia, neorickettsia: lymphoid cells, endothel cells)
Q fever is caused by coxiella burnetti?
True
mycoplasmas have pleomorphic shape?
true
(pleomorphic pear shaped)
Mycoplasmas are obligate anaerobic bacteria?
False
(facultative anaerobic)
Contagious bovine plueropneumonia is caused by mycoplasma bovis?
False
(M. mycosides ssp. mycosides SC)
mycoplasma gallisepticum can cause chronic respiratory disease of birds?
True
fuchsin is used as a counter stain in stamp staining?
False
(3% malachite - green)
the resistance of reticulate body is higher than resistance of elementary body?
False
Trachoma is caused by chlamydia psittaci in humans?
false
(by chlamydia trachomatis)
all members of the family rickettsia are obligate cell parasites?
true
the causative agent of Q-fever needs arthropod vectors, because it cannot survive in the environment for a long time?
False
(no vectors are needed)