Brucella Flashcards
1) Among the Brucella species Brucella melilentis is the most pathogenic species for humans
true
2) Brucella species cannot tolerate high temperature (60 °C) and low pH (pH: 4).
true
3) Rose-Bengal test is used for the detection of antibodies against brucellae
true
4) Brucellae can be detected by staining in the placenta of aborted foetuses in the case of brucellosis
true
5) Humans can acquire brucellosis from raw milk
true
6) Europe is free from Brucella ovis
false
7) Undulant fever, malaise, inappetence, fatigue, and muscle and joint pains can be the clinical sings of human brucellosis
true
8) Brucella species are generally zoonotic agents
true
9) Brucella are facultative IC agents
true
10) Brucella is generally a notifiable disease
true
11) More than one serological test must be carried out from one serum sample at the same time in the case of serodiagnostics of brucellosis
true
12) Brucellosis is a chronic disease
true
13) Brucella species are gram-negative, fastidious, coccoid rod-shaped bacteria
true
14) There is a serological relationship among some brucella species, because of the same polysaccharides in the cell wall
true
15) Worldwide distribution is characteristic for brucellosis
true
16) Köster staining is used for staining of brucellae
true
17) Brucella can be both acute or chronic in humans
true
18) Brucella melitensis is endemic in Mediterranean area
true
19) Brucella species are serologically uniform
false
20) Brucella species need cysteine or cystine as an additive for the culture
false
21) Brucella species are not zoonotic agents
false
22) Susceptibility of humans to different Brucella species is different
true
23) Consumption of raw milk is an important route of human Brucella infection
true
24) Brucella need chocolate agar to culture
false
25) There is a close antigenic relationship between B. ovis and B. melitensis
false
26) B. suis is a zoonotic agent.
true
27) Brucella ovis needs CO2 to culture
true
28) Brucella are Gram-positive and Köster-positive bacteria
false
29) The antigens of Brucella are uniform
false
30) The majority of the Brucella species can infect humans
true
31) Brucella are not fastidious bacteria, they can be cultured on simple nutrient agar
false
32) Brucella species are non-motile, Gram-negative, small coccoid rods
true
33) There is a serological relationship among B. abortus, B. melitensis and B. ovis, because of the same surface polysaccharides
false
34) There are no brucellosis-free countries in the world
false
35) There is close antigenic relationship between Brucella bovis and Brucella ovis
false
36) Brucella canis is stained red as a result of Köster-staining
false
37) Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work
false
38) There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis
true
39) Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic institute in abortion case
true
40) Human brucellosis was described for the first time by David Bruce in Malta Island in 1886
true
41) Brucella abortus stains red as a result of Köster-staining
true
42) There is a strong relationship in the antigenic structure of B. melitensis and B. suis
true
43) All of the Brucella species are zoonotic agents
false
44) Vaccination is a regularly used prevention method in the brucellosis free countries of EU.
false
45) 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
true
46) Rev I. is an inactivated vaccine strain
false
47) There are no differences in serological features of Brucella species with veterinary importance
false
48) With Köster-staining all Brucella are positive.
true, should be false, ovis and canis are negative
49) Sheep and goat are the reservoirs for Brucella
false
50) Hungary is Brucella free
false
51) Humans are resistant to Brucella melitensis
false
52) Raw milk consumption can be the source of human brucellosis
true
53) Vaccination against brucellosis is common in the EU
true
54) Attenuated vaccine strains can cause abortion in pregnant animals
true
55) Focal necrosis and inflammation are seen in fetuses aborted due to Brucella
true
56) Brucella is an obligate pathogen
true
57) Brucella are a notifiable disease
true
brucella can be found on the mucous membranes of the genital tract.
true
59) All Brucella can be stained with Köster staining
false
60) There will be cross-reactions between S-type colonies in case of Brucella
true
61) Brucellosis is found in most parts of the world
true
62) In sexually immature animals, Brucella multiplies in the lymph nodes
true
63) Brucellosis is usually introduced by infected asymptomatic animals
true
64) Abortion caused by brucellosis is followed by retained fetal membranes
true
65) An attenuated vaccine is used in Hungary for prevention of B. melitensis
false
66) Brucella has average resistance
true
67) Brucella is seen only in the northern hemisphere
false
1) Herd replacement is the only way of eradication of porcine brucellosis
true
2) Wild boars and wild hares can serve as reservoir species of swine brucellosis
true
3) Wild boars can be the carrier of Brucella melitensis
false
4) Worldwide occurrence is characteristic for swine brucellosis
true
5) Brucella suis can cause chronic localized udder infection in cattle
true
6) Brucella suis can infect only pigs
false
7) Wild boars can infect domesticated pigs with Brucella suis
true
8) Brucella suis serological tests can be used for livestock diagnosis only
true
9) Brucella suis can infect dogs
true
10) Brucella suis can colonise the udder of cattle
true
11) Osteomyelitis is a frequent sign of porcine brucellosis
true
12) Brucella suis causes Swine Brucellosis
true
13) Wild boars can be the source of swine brucellosis in domestic pigs reared outdoors
true
14) European brown hare can carry and shed B. suis biotype 2
true
15) Swine brucellosis does not occur in Europe
false
16) Rev-1 strain is an attenuated live B. suis strain
false
17) B. suis can infect brown hares
true
18) Brucella suis can cause severe abortion in cattle
false
19) Brucella bovis can infect brown hares
false
20) Arthritis is a typical clinical sign of porcine brucellosis
true
21) Farmed pigs are regularly vaccinated against brucellosis in Europe in order to prevent infection from wild boars
false
22) Stock exchange is the only safe eradication method in case of swine brucellosis
true
23) Swine brucellosis is an exotic disease in Europe, we can see this disease in South-East Asia only
false
24) 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
true
25) Pneumonia and nasal discharge are characteristic clinical findings in swine brucellosis
false
26) B. suis biotype 2 is widespread in wild swine population all over the world
true
27) Swine brucellosis can be treated successfully with antibiotics
false
28) Porcine brucellosis is a notifiable disease
true
29) With the help of the appropriate antibiotics we can eradicate B. suis from a swine herd
false
30) Humans are not susceptible to the causative agent of swine brucellosis
false
31) Wild hare is an important reservoir of Brucella abortus biotype 2 in Europe
false, should be true
32) Brucella suis was isolated by Sir David Bruce as a first time in 1886 in Malta Island
false
33) Brucella suis biotype 2 can cause disease in hares
true
34) In the case of swine brucellosis, no clinical signs can be seen in boars
false
35) Stock exchange in the main way of eradication of porcine brucellosis.
true
36) Swine brucellosis is present in wild boars in several European countries
true
37) Hungary is free from Brucella suis
false
38) Secondary hosts of swine brucellosis are dog, human and cattle
true
39) Maintaining host of swine brucellosis are reindeer, hare and small rodents
false
40) Brucellosis in swine causes abortion at any time of the pregnancy
true
41) Boars are asymptomatic in case of brucellosis infection
false
42) Abortion occurs due to liver lesions in the piglets in case of brucellosis
false
43) Chronic cases of brucellosis cause lameness in both boars and sows.
true
44) Antibiotics are widely used to treat swine brucellosis
false
45) Abortion is a frequent clinical sign of porcine brucellosis
true
46) Stillbirth is a frequent clinical sign of porcine brucellosis
true
47) Diarrhoea is a frequent clinical sign of porcine brucellosis
false
1) Brucella abortus can cause septicaemia in cattle
true
2) Brucella abortus can cause necrosis in the chorionic villi of pregnant cattle
true
3) ABR test can detect antibodies against Brucella abortus in milk
true
4) Arthritis is a clinical sign of bovine brucellosis
true
5) Fluoroquinolones are the first choice for treatment of bovine brucellosis
false
6) In case of brucellosis our aim is eradication and maintain the disease-free status
true
7) Abortion is a clinical sign of bovine brucellosis
true
8) Brucella abortus can colonise the udder and shed with the milk of cows
true
9) Brucella abortus can colonise the testicles, epididymis and accessory genital glands and shed with the semen
true
10) Cattle can be asymptomatic carriers of brucellae
true
11) Infected cattle carry brucellae lifelong
true
12) Calves can be infected with brucellae during pregnancy if the cow is infected
false