Practical 11 - Chlamydia Flashcards
Infectious form of Chlamydia species 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 endothelial cells only.
False
Rickettsia, Coxiella: propagate in all cell types.
Ehrlichia, Neorickettsia: lymphoid + endothelial cells.
Anaplasma: lymphoid cells + in or on RBCs.
Q-fever is caused by Coxiella burnetti.
True
Mycoplasmas have pleomorphic shape.
True, pleomorphic pear shape.
Mycoplasmas are obligate anaerobic bacteria.
False
Facultative anaerobic
Contagious bovine pleuropneumonia is caused by Mycoplasma bovis.
False
Mycoplasma mycoides spp. mycoides SC
Mycoplasma gallisepticum can cause chronic respiratory disease in birds.
True
Fuchsin is used as counterstaining in Stamp-staining.
False
3% diluted malachite-green
The resistance of the reticulate body is higher than the elementary body.
False
Trachoma is caused by Chlamydia psittachi in humans.
False
Chlamydia trachomatis
All members of the Rickettsia family 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 needed