Epi Mix I 1601-1800 Flashcards
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
T
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
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
T
Mycobacteria can replicate only in animals
F i think
Mycobacterium tuberculosis causes tuberculosis in parrots
T
Mycobacterium tuberculosis causes generalized tuberculosis in badgers
T
Mycobacterium tuberculosis causes tuberculosis in poultry
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
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
F
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
Köster 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
Tuberculosis can be demonstrated earliest by ELISA
F
Tuberculosis can first be diagnosed by PCR
F
Tuberculosis can be diagnosed with certainty serology
F
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
T
M. tuberculosis is a common mycobacterium infection of pig
F
Sawdust bedding can predispose pigs to infection by facultative pathogenic mycobacteria
T
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
Mainly proliferative lesions can be seen in the late generalization phase of bovine tuberculosis
F
Bovine tuberculosis is sustained by infected animals
T
Fresh tuberculosis lesions in the lymph nodes are common in the early generalization
T
Infected cattle shed the agents of bovine tuberculosis in milk
T
Infected cattle shed the agents of bovine tuberculosis in tracheal discharge
T
Infection of cattle with Mycobacterium tuberculosis is frequently asymptomatic
T
The sensitivity of the intradermal tuberculin test is above 90% in cattle
T
If the tuberculin test is negative, it has to be repeated immediately
F
The tuberculin test in cattle can be false negative if the animal is infected with facultative pathogenic mycobacteria
F
The tuberculin test in cattle can be false negative if the animal is infected with Mycobacterium tuberculosis
F
The tuberculin test in cattle can be false negative if the animal is in the exhaust phase
T
The tuberculin has to be injected in the skin fold in the skin intra dermal test
T
The tuberculin test is used for the detection of infection of animals with mycobacteria
T
The intradermal tuberculin test is negative if the increase of the thickness of the skin is 1.8 mm and there are no local lesions or signs
T
