Lab 4 Flashcards
usually mycobacterium spp. need a long time for their cultivating in vitro?
True
can take many weeks
M.tuberculosis belongs to the m. avium complex?
false
m. microti can cause bird tuberculosis?
False
Rodents
main habitat of Nocardia spp. is in the soil?
True
Corynebacterium pseudotuberculosis causes lymphadenitis?
True
Nitrate-negative biotype
Rhodococcus equi is an intracellular pathogen?
True
Rhodococcus equi causes pneumonia in foals?
True
and abscesses in the lungs
mycobacterium avium spp. has cream like colonies on a solid medium?
true
mycobacterium are acid- and alcohol - fast bacteria?
true
as a result of ziehl-neelsen staining pathogenic mycobacterium are red?
True
human leprosy is caused by m.lepraemurium?
False
m. laprae
m. lepraemurium - mouse
Dermatophylus congolensis infects mainly sheep and causes purulent mastitis and endocarditis?
False
Exudative dermatitis
Most mycobacteria are flagellated?
False
no flagella in any of the spp.
Dermatophilus can be found on the skin of infected animals?
True
Nocardia asteroides produces carotenoid pigments?
True
yellow, red, pink
cattle lumpy jaw is caused by actinomyces bovis?
True
Actinobaculum can cause pyelonephritis in pigs?
True
Trueperella pyogenes can cause arthritis in pigs?
True \+ mastitis metritis pneumonia navel infections
as a result of ziehl-neelsen staining pathogenic mycobacterium are blue?
False
their red