Brucella Flashcards
Brucella species cannot tolerate high temperature (60 °C) and low pH (pH: 4).
T
Rose-Bengal test is used for the detection of antibodies against brucellae.
T
Brucellae can be detected by staining in the placenta of aborted foetuses in the case of
brucellosis.
T
Humans can acquire brucellosis from raw milk.
T
Europe is free from Brucella ovis.
F
Undulant fever, malaise, inappetence, fatigue, and muscle and joint pains can be the clinical
sings of human brucellosis.
T
Brucella species are generally zoonotic agents
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Brucella are facultative IC agents.
T
Brucella is generally a notifiable disease.
T
Among Brucella species Brucella melitensis is the most pathogenic species for humans.
T
More than one serological test must be carried out from one serum sample at the same time
in the case of serodiagnostics of brucellosis.
T
Brucellosis is generally a notifiable disease.
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Brucellosis is a chronic disease
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Brucella species are gram-negative, fastidious, coccoid rod-shaped bacteria
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There is a serological relationship among some brucella species, because of the same
polysaccharides in the cell wall
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Worldwide distribution is characteristic for brucellosis
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Köster staining is used for staining of brucellae.
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Brucella can be both acute or chronic in human
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Brucella melitensis is endemic in Mediterranean area
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Brucella species are widely distributed all over the world.
T
Brucella species are serologically uniform.
F
Brucella species need cysteine or cystine as an additive for the culture.
F
Brucella species are not zoonotic agents
F
Susceptibility of humans to different Brucella species is different
T
Consumption of raw milk is an important route of human Brucella infection
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Brucella need chocolate agar to culture
F
There is a close antigenic relationship between B. ovis and B. melitensis
F
B. suis is a zoonotic agent
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Brucella ovis needs CO2 to culture.
T
Brucella are Gram-positive and Koster-positive bacteria.
F
The antigens of Brucella are uniform
F
The majority of the Brucella species can infect humans.
T
Brucella are not fastidious bacteria, they can be cultured on simple nutrient agar
F
Brucella species are non-motile, Gram-negative, small coccoid rods
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There is a serological relationship among B. abortus, B. melitensis and B. ovis, because of the
same surface polysaccharides.
F
There are no brucellosis-free countries in the world.
F
Most of the Brucella species are zoonotic agents.
T
There is close antigenic relationship between Brucella bovis and Brucella ovis.
F
Brucella suis is a zoonotic agent.
T
Brucella canis is stained red as a result of Koster-staining
F
Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work.
F
There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis.
T
Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic
institute in abortion case
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Human brucellosis was described for the first time by David Bruce in Malta Island in 1886
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Brucella abortus stains red as a result of Koster-staining
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There is a strong relationship in the antigenic structure of B. melitensis and B. suis
T
All of the Brucella species are zoonotic agents
F
Vaccination is a regularly used prevention method in the brucellosis free countries of EU
F
In the case of a same serum sample it is advisable to carry out more serological tests for the
detection of antibodies against Brucella species, because different serological tests can show
different results.
T
Rev I. is an inactivated vaccine strain
F
There are no differences in serological features of Brucella species with veterinary
importance.
F
Brucella are facultative intracellular bacteria.
T
With Koster-staining all Brucella are positive
T
Sheep and goat are the reservoirs for Brucella
F
Hungary is Brucella free.
F
Humans are resistant to Brucella melitensis
F
Raw milk consumption can be the source of human brucellosis
T
Vaccination against brucellosis is common in the EU
T
Attenuated vaccine strains can cause abortion in pregnant animals
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Focal necrosis and inflammation are seen in fetuses aborted due to Brucella
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Brucella is an obligate pathogen
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Brucella are a notifiable disease
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Brucella can be found on the mucous membranes of the genital tract
T
All Brucella can be stained with Koster staining
F
There will be cross-reactions between S-type colonies in case of Brucella.
T
Brucellosis is found in most parts of the world
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In sexually immature animals, Brucella multiplies in the lymph nodes
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Brucellosis is usually introduced by infected asymptomatic animals
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Abortion caused by brucellosis is followed by retained fetal membranes.
T
An attenuated vaccine is used in Hungary for prevention of B. melitensis
F
Brucella has average resistance.
T
Brucella is seen only in the northern hemisphere.
F
Herd replacement is the only way of eradication of porcine brucellosis.
T
Wild boars and wild hares can serve as reservoir species of swine brucellosis
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Wild boars can be the carrier of Brucella melitensis.
F
Worldwide occurrence is characteristic for swine brucellosis.
T
Brucella suis can cause chronic localized udder infection in cattle.
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Brucella suis can infect only pigs:
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Wild boars can infect domesticated pigs with Brucella suis
T
Brucella suis serological tests can be used for livestock diagnosis only
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Brucella suis can infect dogs
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Brucella suis can colonise the udder of cattle
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Osteomyelitis is a frequent sign of porcine brucellosis
T
Brucella suis causes Swine Brucellosis.
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Wild boars can be the source of swine brucellosis in domestic pigs reared outdoors
T
European brown hare can carry and shed B. suis biotype 2.
T
Swine brucellosis does not occur in Europe.
F
Rev-1 strain is an attenuated live B. suis strain
F
B. suis can infect brown hares.
T
Brucella suis can cause severe abortion in cattle
F
Brucella bovis can infect brown hares
F
Arthritis is a typical clinical sign of porcine brucellosis.
T
Farmed pigs are regularly vaccinated against brucellosis in Europe in order to prevent
infection from wild boars
F
Stock exchange is the only safe eradication method in case of swine brucellosis.
T
Swine brucellosis is an exotic disease in Europe, we can see this disease in South-East Asia
only.
F
In swine brucellosis the results of serological tests can be used only for herd diagnosis,
because the low sensitivity and specificity of these serological tests.
T
Pneumonia and nasal discharge are characteristic clinical findings in swine brucellosis
F
B. suis biotype 2 is widespread in wild swine population all over the world
T
Swine brucellosis can be treated successfully with antibiotics
F
Porcine brucellosis is a notifiable disease
T
With the help of the appropriate antibiotics we can eradicate B. suis from a swine herd
F
Humans are not susceptible to the causative agent of swine brucellosis.
F
Wild hare is an important reservoir of Brucella abortus biotype 2 in Europe
F
Brucella suis was isolated by Sir David Bruce as a first time in 1886 in Malta Island
F
Brucella suis is the causative agent of porcine brucellosis.
T
Brucella suis biotype 2 can cause disease in hares
T
In the case of swine brucellosis, no clinical signs can be seen in boars
F
Stock exchange in the main way of eradication of porcine brucellosis.
T
Swine brucellosis is present in wild boars in several European countries
T
Hungary is free from Brucella suis
F
Secondary hosts of swine brucellosis are dog, human and cattle
T
Maintaining host of swine brucellosis are reindeer, hare and small rodents.
F
Brucellosis in swine causes abortion at any time of the pregnancy.
T
Boars are asymptomatic in case of brucellosis infection
F
Abortion occurs due to liver lesions in the piglets in case of brucellosis.
F
Chronic cases of brucellosis cause lameness in both boars and sows
T
Antibiotics are widely used to treat swine brucellosis
F
Abortion is a frequent clinical sign of porcine brucellosis
T
Stillbirth is a frequent clinical sign of porcine brucellosis.
T
Diarrhoea is a frequent clinical sign of porcine brucellosis
F
Brucella abortus can cause septicaemia in cattle.
T
Brucella abortus can cause necrosis in the chorionic villi of pregnant cattle
T
ABR test can detect antibodies against Brucella abortus in milk
T
Arthritis is a clinical sign of bovine brucellosis
T
Fluoroquinolones are the first choice for treatment of bovine brucellosis
F
In case of brucellosis our aim is eradication and maintain the disease-free status
T
Abortion is a clinical sign of bovine brucellosis
T
Brucella abortus can colonise the udder and shed with the milk of cows.
T
Brucella abortus can colonise the testicles, epididymis and accessory genital glands and shed
with the semen.
T
Cattle can be asymptomatic carriers of brucellae
T
Infected cattle carry brucellae lifelong
T
Calves can be infected with brucellae during pregnancy if the cow is infected.
F
Bovine brucellosis is caused by Brucella bovis.
F
