Brucella Flashcards

(72 cards)

1
Q

Brucella species cannot tolerate high temperature (60 °C) and low pH (pH: 4).

A

T

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2
Q

Rose-Bengal test is used for the detection of antibodies against brucellae

A

T

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3
Q

Brucellae can be detected by staining in the placenta of aborted foetuses in the case of
brucellosis

A

T

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4
Q

Humans can acquire brucellosis from raw milk

A

T

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5
Q

Europe is free from Brucella ovis.

A

F

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6
Q

Undulant fever, malaise, inappetence, fatigue, and muscle and joint pains can be the clinical
sings of human brucellosis

A

T

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7
Q

Brucella species are generally zoonotic agents

A

T

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8
Q

Brucella are facultative IC agents

A

T

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9
Q

Brucella is generally a notifiable disease

A

T

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10
Q

Among Brucella species Brucella melitensis is the most pathogenic species for humans

A

T

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11
Q

More than one serological test must be carried out from one serum sample at the same time
in the case of serodiagnostics of brucellosis

A

T

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12
Q

Brucellosis is generally a notifiable disease

A

T

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13
Q

Brucellosis is a chronic disease

A

T

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14
Q

Brucella species are gram-negative, fastidious, coccoid rod-shaped bacteria

A

T

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15
Q

There is a serological relationship among some brucella species, because of the same
polysaccharides in the cell wall

A

T

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16
Q

Worldwide distribution is characteristic for brucellosis

A

T

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17
Q

Köster staining is used for staining of brucellae

A

T

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18
Q

Brucella can be both acute or chronic in humans

A

T

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19
Q

Brucella melitensis is endemic in Mediterranean area

A

T

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20
Q

Brucella species are widely distributed all over the world

A

T

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21
Q

Brucella species are serologically uniform

A

F

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22
Q

Brucella species need cysteine or cystine as an additive for the culture

A

F

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23
Q

Brucella species are not zoonotic agents

A

F

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24
Q

Susceptibility of humans to different Brucella species is different

A

T

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25
Consumption of raw milk is an important route of human Brucella infection
T
26
Brucella need chocolate agar to culture
F
27
There is a close antigenic relationship between B. ovis and B. melitensis
F
28
B. suis is a zoonotic agent
T
29
Brucella ovis needs CO2 to culture
T
30
Brucella are Gram-positive and K􏰸ster-positive bacteria
F
31
The antigens of Brucella are uniform
F
32
The majority of the Brucella species can infect humans
T
33
Brucella are not fastidious bacteria, they can be cultured on simple nutrient agar
F
34
Brucella species are non-motile, Gram-negative, small coccoid rods
T
35
There is a serological relationship among B. abortus, B. melitensis and B. ovis, because of the same surface polysaccharides
F
36
There are no brucellosis-free countries in the world
F
37
Most of the Brucella species are zoonotic agents
T
38
There is close antigenic relationship between Brucella bovis and Brucella ovis
F
39
Brucella suis is a zoonotic agent
T
40
Brucella canis is stained red as a result of K􏰸ster-staining
F
41
Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work
F
42
There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis
T
43
Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic institute in abortion case
T
44
Human brucellosis was described for the first time by David Bruce in Malta Island in 1886
T
45
Brucella abortus stains red as a result of Köster-staining
T
46
There is a strong relationship in the antigenic structure of B. melitensis and B. suis
T
47
All of the Brucella species are zoonotic agents
F
48
Vaccination is a regularly used prevention method in the brucellosis free countries of EU
F
49
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
50
Rev I. is an inactivated vaccine strain
F
51
There are no differences in serological features of Brucella species with veterinary importance
F
52
Brucella are facultative intracellular bacteria
T
53
With Köster-staining all Brucella are positive
F
54
Sheep and goat are the reservoirs for Brucella
F
55
Hungary is Brucella free
F
56
Humans are resistant to Brucella melitensis
F
57
Raw milk consumption can be the source of human brucellosis
T
58
Vaccination against brucellosis is common in the EU
T | False?
59
Attenuated vaccine strains can cause abortion in pregnant animals
T
60
Focal necrosis and inflammation are seen in fetuses aborted due to Brucella
T
61
Brucella is an obligate pathogen
T | F? Facultative IC pathogen?
62
Brucella are a notifiable disease
T
63
Brucella can be found on the mucous membranes of the genital tract
T
64
All Brucella can be stained with Köster staining
F
65
There will be cross-reactions between S-type colonies in case of Brucella
T
66
Brucellosis is found in most parts of the world.
T
67
In sexually immature animals, Brucella multiplies in the lymph nodes
T
68
Brucellosis is usually introduced by infected asymptomatic animals.
T
69
Abortion caused by brucellosis is followed by retained fetal membranes
T
70
An attenuated vaccine is used in Hungary for prevention of B. melitensis
F
71
Brucella has average resistance
T
72
Brucella is seen only in the northern hemisphere
F