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EPI 2 > Brucella > Flashcards

Brucella Flashcards

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

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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

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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

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7
Q

Brucella species are generally zoonotic agents

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8
Q

Brucella are facultative IC agents

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9
Q

Brucella is generally a notifiable disease

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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

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12
Q

Brucellosis is generally a notifiable disease

A

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13
Q

Brucellosis is a chronic disease

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14
Q

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

A

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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

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17
Q

Köster staining is used for staining of brucellae

A

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18
Q

Brucella can be both acute or chronic in humans

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19
Q

Brucella melitensis is endemic in Mediterranean area

A

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20
Q

Brucella species are widely distributed all over the world

A

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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

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25
Q

Consumption of raw milk is an important route of human Brucella infection

A

T

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26
Q

Brucella need chocolate agar to culture

A

F

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27
Q

There is a close antigenic relationship between B. ovis and B. melitensis

A

F

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28
Q

B. suis is a zoonotic agent

A

T

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29
Q

Brucella ovis needs CO2 to culture

A

T

30
Q

Brucella are Gram-positive and K􏰸ster-positive bacteria

A

F

31
Q

The antigens of Brucella are uniform

A

F

32
Q

The majority of the Brucella species can infect humans

A

T

33
Q

Brucella are not fastidious bacteria, they can be cultured on simple nutrient agar

A

F

34
Q

Brucella species are non-motile, Gram-negative, small coccoid rods

A

T

35
Q

There is a serological relationship among B. abortus, B. melitensis and B. ovis, because of the
same surface polysaccharides

A

F

36
Q

There are no brucellosis-free countries in the world

A

F

37
Q

Most of the Brucella species are zoonotic agents

A

T

38
Q

There is close antigenic relationship between Brucella bovis and Brucella ovis

A

F

39
Q

Brucella suis is a zoonotic agent

A

T

40
Q

Brucella canis is stained red as a result of K􏰸ster-staining

A

F

41
Q

Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work

A

F

42
Q

There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis

A

T

43
Q

Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic
institute in abortion case

A

T

44
Q

Human brucellosis was described for the first time by David Bruce in Malta Island in 1886

A

T

45
Q

Brucella abortus stains red as a result of Köster-staining

A

T

46
Q

There is a strong relationship in the antigenic structure of B. melitensis and B. suis

A

T

47
Q

All of the Brucella species are zoonotic agents

A

F

48
Q

Vaccination is a regularly used prevention method in the brucellosis free countries of EU

A

F

49
Q

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

A

T

50
Q

Rev I. is an inactivated vaccine strain

A

F

51
Q

There are no differences in serological features of Brucella species with veterinary
importance

A

F

52
Q

Brucella are facultative intracellular bacteria

A

T

53
Q

With Köster-staining all Brucella are positive

A

F

54
Q

Sheep and goat are the reservoirs for Brucella

A

F

55
Q

Hungary is Brucella free

A

F

56
Q

Humans are resistant to Brucella melitensis

A

F

57
Q

Raw milk consumption can be the source of human brucellosis

A

T

58
Q

Vaccination against brucellosis is common in the EU

A

T

False?

59
Q

Attenuated vaccine strains can cause abortion in pregnant animals

A

T

60
Q

Focal necrosis and inflammation are seen in fetuses aborted due to Brucella

A

T

61
Q

Brucella is an obligate pathogen

A

T

F? Facultative IC pathogen?

62
Q

Brucella are a notifiable disease

A

T

63
Q

Brucella can be found on the mucous membranes of the genital tract

A

T

64
Q

All Brucella can be stained with Köster staining

A

F

65
Q

There will be cross-reactions between S-type colonies in case of Brucella

A

T

66
Q

Brucellosis is found in most parts of the world.

A

T

67
Q

In sexually immature animals, Brucella multiplies in the lymph nodes

A

T

68
Q

Brucellosis is usually introduced by infected asymptomatic animals.

A

T

69
Q

Abortion caused by brucellosis is followed by retained fetal membranes

A

T

70
Q

An attenuated vaccine is used in Hungary for prevention of B. melitensis

A

F

71
Q

Brucella has average resistance

A

T

72
Q

Brucella is seen only in the northern hemisphere

A

F

EPI 2 (48 decks)

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