missed lab true/false Flashcards
brucellas are able to survive in the environment, but they are not able to propagate there
true?
as the result of the koster staining, brucella melitensis becomes blue, because in this case we can wash out the safranin stain with 0.5% H2SO4 sol
false
the brucella species are saprophytes or faculative pathogenic bact
false
brucella abortus is maintained by horse and human
true
the causative agent of tularaemia demands cystin or cysteine in the medium
true
brucella suis and brucella melitensis show cross reaction in serological tests
true
aeromonas hydrophilia causes furunculosis in salmon
false?
francisella tularensis ssp tularensis occurs only in north america but francisella tularenis ssp holarctica occurs in the northern hemisphere, as well as in europe
true
brucella ovis is a zoonotic bacterium
false
during the koster staining the counter staining is made by using safranin, therefore the koster negative bact are red
true?
brucella canis form R colonies
true
brucellas are aerobic, faculative anaerobic bact some species demand even NAD
false
brucella melitensis maintained by sheep and goat
true
francisella tularensis and brucella speciei may show cross reaction in serological tests
false
burkholderia mallei as an obligate pathogenic bacterium of equids, can infect only equids
true?