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EPI Final PQ > MT4 - Brucella > Flashcards

MT4 - Brucella Flashcards

1
Q

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

A

T

Slide agglutination test (Rose-Bengal test)

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2
Q

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

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

Köster-staining (MZN), Brucella: red, B. ovis & B. canis NO = blue

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4
Q

Humans can acquire brucellosis from raw milk.

A

T

raw milk or dairy products from unpasteurized milk: infected animals.

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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

  1. B. melitensis
  2. B. abortus
  3. B.suis
  4. B.canis

B. ovis = NOT ZOONOTIC

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8
Q

Brucella are facultative IC agents.

A

T

Facultative intracellular pathogens

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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

  1. B. melitensis
  2. B. abortus
  3. B.suis
  4. B.canis
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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 human

A

T

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19
Q

Brucella melitensis is endemic in Mediterranean area

A

T

Endemic :Middle-East, Central Asia, Latin America, Mediterranean Region

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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

variations in antigenic structures among different Brucella species.

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22
Q

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

A

F - Tularemia needs

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23
Q

Brucella species are not zoonotic agents.

A

F

B.ovis: not zoonotic

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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 Koster-positive bacteria
F | Gram - , koster + bacteria
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 *Free:* Canada, Japan, Australia, New-Zealand, Israel **EU countries:** most of them free
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 Koster-staining.
F | B. ovis & B. canis NO
41
Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work.
F | fastidious bacteria = specific nutritional requirements for growth
42
There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis.
T-A
43
Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic institute in abortion case.
T | fetus, fetal membranes (placenta), and blood samples from the dam
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 Koster-staining.
T | B. ovis & B. canis no
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 | B.ovis is not
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 | live vaccine
51
There are no differences in serological features of Brucella species with veterinary importance.
F
52
Brucella are facultative intracellular bacteria
T
53
With Koster-staining all Brucella are positive.
F-A
54
Sheep and goat are the reservoirs for Brucella
F
55
Hungary is Brucella free.
F-A
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-A but im unsure
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
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 Koster 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 | not in eu - mostly free
71
Brucella has average resistance
T
72
Brucella is seen only in the northern hemisphere.
F
73
Brucella species can propagate in the soil
F- but cant see in pq file

EPI Final PQ (49 decks)

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