MYCOBACTERIA Flashcards
Giant cells typically occur in tubercles
T
Mycobacterium tuberculosis can cause generalised tuberculosis in pigs
T
Mycobacterium tuberculosis can cause tuberculosis in humans.
T
Facultative pathogenic mycobacteria can colonise only cold-blooded animals
F
Mycobacteria are facultative intracellular bacteria.
T
Saprophytic and facultative pathogenic mycobacteria cannot colonise warm blooded
animals.
F
Facultative pathogenic Mycobacteria can only reproduce in the environment.
F
Facultative pathogenic Mycobacteria can only colonize in warm-blooded animals.
F
There is no antigen connection between facultative and obligate pathogenic
mycobacteria
F
Pigs are resistant against Mycobacterium tuberculosis.
F
Lympho-haematogenous spread of mycobacteria can be seen in the post primary phase
of tuberculosis.
F
There is a close antigen relationship between mycobacteria.
T
Mycobacterium bovis can cause tuberculosis only in ruminants
F
Mycobacterium bovis can cause generalized tuberculosis in goats.
T
Tuberculin is an extract made from broth culture of mycobacteria
T
The tuberculin contains antigens from mycobacteria.
T
Tuberculin is the toxin produced by mycobacteria.
F
Intra canalicular spread of mycobacteria can be seen in the post primary phase of
tuberculosis
T
Antibodies against mycobacteria are detected in the tuberculin test
F??
Facultative pathogenic mycobacteria can cause local lesions in pigs
T
Facultative pathogenic mycobacteria cannot cause tuberculosis
F
Mycobacteria are acid and alcohol fast bacteria
T
Mycobacterium tuberculosis can cause generalized tuberculosis in parrots
T
Fresh tuberculosis lesions in the lymph nodes are common the early generation:
T
Mycobacteria can be stained with Ziehl-Neelsen staining
T
Mycobacteria cannot be stained
F
Obligate pathogenic mycobacteria can occur and replicate in the environment:
F
All mycobacteria species are obligate pathogenic.
F
The resistance of mycobacteria is low, they die in the environment soon.
F
Mycobacterium bovis can cause generalised tuberculosis in goats
T
Fresh tuberculosis lesions in the lymph nodes are common in the post primary phase
F
Mycobacteria are highly resistant thanks to lipids and waxes in the cell wall
T
Mycobacterium tuberculosis can cause tuberculosis in humans
T
Mycobacterium tuberculosis can cause generalized tuberculosis in pigs
T
Pigs are resistant against Mycobacterium tuberculosis
F
Mycobacterium bovis can cause generalized tuberculosis in badgers
T
Mycobacterium caprae can infect only goats.
F
Tuberculosis lesions in the lymph node are common in the early generalization
T
The habitat of the obligate pathogenic Mycobacteria is the environment
F
Mycobacteria are obligate intracellular bacteria.
F
Waxes can be found in the cell wall of Mycobacteria
T
Only Mycobacterium tuberculosis can cause tuberculosis in humans
F
Neutrophil granulocytes can be typically found in tubercles
F
Necrosis can be seen in the tubercles.
T
The habitat of saprophytic, facultative pathogenic Mycobacteria is the environment.
T
Saprophytic, facultative pathogenic Mycobacteria cannot colonize mammals.
F
Mycobacteria have several shared antigens.
T
The cell wall of mycobacteria contains mycolic acid.
T
The tuberculin contains lipopolysaccharide (LPS) antigens
F
The cell wall of mycobacteria contains large amount of lipopolysaccharide.
F
Bc gram +
Mycobacteria can replicate only in animals.
F??
wb facultative saphrophtic
Mycobacterium tuberculosis causes tuberculosis in parrots
T
Mycobacterium tuberculosis causes generalized tuberculosis in badgers.
F??
Not mentioned in notes only mentions cattle, swine, dog and cage birds
Mycobacterium tuberculosis causes tuberculosis in poultry
F
The cell wall of mycobacteria contains mycolic acid.
T
The tuberculin contains lipopolysaccharide (LPS) antigens.
F
Mycobacteria can replicate only in animals.
F??
All mycobacteria can replicate in the environment.
F
Mycobacterium bovis can cause tuberculosis in wild living ruminants.
T
Mycobacterium bovis can cause tuberculosis in wild boars.
T
If the increase of the thickness of the skin fold in the tuberculin test is 1.9 mm the
reaction is positive.
F
The skin intradermal tuberculin test is a Type IV. hypersensitivity reaction.
T
Antigens of mycobacteria show a close relationship.
T
Mycobacteria can survive in the environment only for a few days
F
Atypical mycobacteria can cause lesions in pigs
T
Mycobacteria caprae can infect cattle, other ruminants and swine
T
Saprophytic, facultative pathogenic mycobacteria cannot cause tuberculosis.
F
Only cattle maintain bovine tuberculosis
F
Obligate pathogenic Mycobacteria can only reproduce in the infected body
T
Facultative pathogenic mycobacteria can cause tuberculosis in fishes
T
Mycobacteria are not resistant, they can survive in the environment for maximum of
two days.
F
Mycobacterium suis is the most frequent agent of tuberculosis of pigs.
F
Facultative pathogenic mycobacteria can colonize the gut of pigs.
T
Sometimes facultative pathogenic mycobacteria cause lesions in pig
T
Mycobacteria can survive in the environment.
T
Mycobacteria cannot be cultured.
F
Waxes and lipids in the mycobacteria are virulence factors.
T
The agent of avian tuberculosis is an obligate pathogenic bacterium
T
Tuberculin test is an allergic test.
T
Mycobacteria can be cultured, but their incubation time is long.
T
Tuberculosis is diagnosed by detecting antibodies to M. bovis in the blood with ELISA
T for wild animals
The center of the tubercle is necrotized.
T
The tubercle consists of histiocytes and foreign body giant cell.
T
The causative agents of tuberculosis are obligate pathogenic bacteria.
T
Koster staining is a special staining for Mycobacteria.
F
Mycobacteria are highly resistant.
T
Early generalization of mycobacteria occurs via lympho-hematogenous route.
T
In dogs’ tuberculosis can be generalized.
T
Late generalization can be characterized by lost resistance.
T
In the tubercle, coagulation necrosis is seen
T
In the phase of early generalization Mycobacteria do not replicate in the lymph node
F
Mycobacteria are a worldwide disease.
T
Chronic tuberculosis causes changes in the lymph node.
F
Mycobacteria can be demonstrated from the discharge of sick animals by staining.
T
Tracheal discharge
Tuberculosis can be demonstrated earliest by ELISA.
F
Tuberculosis can first be diagnosed by PCR
F
Tuberculosis can be diagnosed with certainty serology.
T?
Mycobacterium infection in pigs can be zoonotic
T
Mycobacterium spp. in swine can be caused by atypical mycobacteria
T
Mycobacteria in swine can be caused by M. bovis and produces localized lesions
F?
M. tuberculosis is a common mycobacterium infection of pig
F
Mycobacteria are acid and alcohol fast bacteria.
T
Sawdust bedding can predispose pigs to infection by facultative pathogenic
mycobacteria.
T
Facultative pathogenic mycobacteria can cause generalized tuberculosis in pigs.
F
The habitat of pathogenic mycobacteria is the soil.
F
The habitat of facultative pathogenic mycobacteria is the soil.
F??
Only cattle are susceptible to Mycobacterium bovis.
F
Some facultative pathogenic Mycobacteria can cause tuberculosis in cold blooded
animals
T
In the case of avian tuberculosis, no tubercles are formed.
F
Avian tuberculosis is caused by Mycobacterium gallinarum
F
Avian tuberculosis is a generalised disease.
T
The most severe form of avian tuberculosis can be seen in 1-4 week old chicken:
F
The agent of avian tuberculosis infects animals generally per os:
T
Mycobacterium avium subsp avium causes tuberculosis in humans
F
Mycobacterium avium subsp. avium causes avian tuberculosis
T
Mycobacterium tuberculosis can cause generalized tuberculosis in parrots
T
The agent of avian tuberculosis can survive in the soil for several months:
T
Drop of egg production is a clinical sign of avian tuberculosis
T