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EPI 2 > Mycobacteria > Flashcards

Mycobacteria Flashcards

1
Q

Giant cells typically occur in tubercles

A

True

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2
Q

Mycobacterium tuberculosis can cause generalised tuberculosis in pigs

A

True

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3
Q

Mycobacterium tuberculosis can cause tuberculosis in humans

A

True

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4
Q

Facultative pathogenic mycobacteria can colonise only cold-blooded animals

A

False

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5
Q

Mycobacteria are facultative intracellular bacteria

A

True

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6
Q

Saprophytic and facultative pathogenic mycobacteria cannot colonise warm blooded
animals

A

False

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7
Q

Facultative pathogenic Mycobacteria can only reproduce in the environment

A

False

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8
Q

Facultative pathogenic Mycobacteria can only colonize in warm-blooded animals

A

False

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9
Q

There is no antigen connection between facultative and obligate pathogenic
mycobacteria

A

False

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10
Q

Pigs are resistant against Mycobacterium tuberculosis

A

False

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11
Q

Lympho-haematogenous spread of mycobacteria can be seen in the post primary phase of tuberculosis

A

False

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12
Q

There is a close antigen relationship between mycobacteria

A

True

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13
Q

Mycobacterium bovis can cause tuberculosis only in ruminants

A

False

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14
Q

Mycobacterium bovis can cause generalized tuberculosis in goats

A

True

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15
Q

Tuberculin is an extract made from broth culture of mycobacteria

A

True

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16
Q

The tuberculin contains antigens from mycobacteria

A

True

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17
Q

Tuberculin is the toxin produced by mycobacteria

A

False

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18
Q

Intra canalicular spread of mycobacteria can be seen in the post primary phase of
tuberculosis

A

True

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19
Q

Antibodies against mycobacteria are detected in the tuberculin test

A

False

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20
Q

Facultative pathogenic mycobacteria can cause local lesions in pigs

A

True

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21
Q

Facultative pathogenic mycobacteria cannot cause tuberculosis

A

False

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22
Q

Mycobacteria are acid and alcohol fast bacteria

A

True

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23
Q

Mycobacterium tuberculosis can cause generalized tuberculosis in parrots

A

True

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24
Q

Fresh tuberculosis lesions in the lymph nodes are common the early generation

A

True

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25
Q

Mycobacteria can be stained with Ziehl-Neelsen staining

A

True

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26
Q

Mycobacteria cannot be stained

A

False

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27
Q

Obligate pathogenic mycobacteria can occur and replicate in the environment

A

False

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28
Q

All mycobacteria species are obligate pathogenic

A

False

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29
Q

The resistance of mycobacteria is low, they die in the environment soon

A

False

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30
Q

Mycobacterium bovis can cause generalised tuberculosis in goats

A

True

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31
Q

Fresh tuberculosis lesions in the lymph nodes are common in the post primary phase

A

False

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32
Q

Mycobacteria are highly resistant thanks to lipids and waxes in the cell wall

A

True

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33
Q

Mycobacterium tuberculosis can cause tuberculosis in humans

A

True

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34
Q

Mycobacterium tuberculosis can cause generalized tuberculosis in pigs

A

True

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35
Q

Mycobacterium bovis can cause generalized tuberculosis in pigs

A

True

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36
Q

Pigs are resistant against Mycobacterium tuberculosis

A

False

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37
Q

Mycobacterium bovis can cause generalized tuberculosis in badgers

A

True

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38
Q

Mycobacterium caprae can infect only goats

A

False

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39
Q

Tuberculosis lesions in the lymph node are common in the early generalization

A

True

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40
Q

The habitat of the obligate pathogenic Mycobacteria is the environment

A

False

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41
Q

Mycobacteria are obligate intracellular bacteria

A

False

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42
Q

Waxes can be found in the cell wall of Mycobacteria

A

True

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43
Q

Only Mycobacterium tuberculosis can cause tuberculosis in humans

A

False

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44
Q

Neutrophil granulocytes can be typically found in tubercles

A

False

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45
Q

Necrosis can be seen in the tubercles

A

True

46
Q

Necrosis can be seen in the tubercles

A

True

47
Q

The habitat of saprophytic, facultative pathogenic Mycobacteria is the environment

A

True

48
Q

Saprophytic, facultative pathogenic Mycobacteria cannot colonize mammals

A

False

49
Q

Mycobacteria have several shared antigens

A

True

50
Q

The cell wall of mycobacteria contains mycolic acid

A

True

51
Q

The tuberculin contains lipopolysaccharide (LPS) antigens

A

False

52
Q

The cell wall of mycobacteria contains large amount of lipopolysaccharide

A

True

53
Q

Mycobacteria can replicate only in animals

A

True

False? replicate in humans as well?

54
Q

Mycobacterium tuberculosis causes tuberculosis in parrots

A

True

55
Q

Mycobacterium tuberculosis causes generalized tuberculosis in badgers

A

False

56
Q

Mycobacterium tuberculosis causes tuberculosis in poultry

A

False

57
Q

The cell wall of mycobacteria contains mycolic acid

A

True

58
Q

The tuberculin contains lipopolysaccharide (LPS) antigens

A

False

59
Q

Mycobacteria can replicate only in animals

A

True

60
Q

All mycobacteria can replicate in the environment

A

False

61
Q

Mycobacterium bovis can cause tuberculosis in wild living ruminants

A

True

62
Q

Mycobacterium bovis can cause tuberculosis in wild boars

A

True

63
Q

If the increase of the thickness of the skin fold in the tuberculin test is 1.9 mm the
reaction is positive

A

False

64
Q

The skin intradermal tuberculin test is a Type IV. hypersensitivity reaction

A

True

65
Q

Antigens of mycobacteria show a close relationship

A

True

66
Q

Mycobacteria can survive in the environment only for a few days

A

False

67
Q

Atypical mycobacteria can cause lesions in pigs

A

True

68
Q

Mycobacteria caprae can infect cattle, other ruminants and swine

A

True

69
Q

Saprophytic, facultative pathogenic mycobacteria cannot cause tuberculosis

A

False

70
Q

Only cattle maintain bovine tuberculosis

A

False

71
Q

Obligate pathogenic Mycobacteria can only reproduce in the infected body

A

True

72
Q

Facultative pathogenic mycobacteria can cause tuberculosis in fishes

A

True

73
Q

Mycobacteria are not resistant, they can survive in the environment for maximum of
two days

A

False

74
Q

Mycobacterium suis is the most frequent agent of tuberculosis of pigs

A

False

75
Q

Facultative pathogenic mycobacteria can colonize the gut of pigs

A

True

76
Q

Sometimes facultative pathogenic mycobacteria cause lesions in pig

A

True

77
Q

Mycobacteria can survive in the environment

A

True

78
Q

Mycobacteria cannot be cultured

A

False

79
Q

Waxes and lipids in the mycobacteria are virulence factors

A

True

80
Q

The agent of avian tuberculosis is an obligate pathogenic bacterium

A

True

81
Q

Tuberculin test is an allergic test

A

True

82
Q

Mycobacteria can be cultured, but their incubation time is long

A

True

83
Q

Tuberculosis is diagnosed by detecting antibodies to M. bovis in the blood with ELISA

A

False

84
Q

The center of the tubercle is necrotized

A

True

85
Q

The tubercle consists of histiocytes and foreign body giant cell

A

True

86
Q

The causative agents of tuberculosis are obligate pathogenic bacteria

A

True

87
Q

Köster staining is a special staining for Mycobacteria

A

False

88
Q

Mycobacteria are highly resistant

A

True

89
Q

Early generalization of mycobacteria occurs via lympho-hematogenous route

A

True

90
Q

In dogs’ tuberculosis can be generalized

A

True

91
Q

Late generalization can be characterized by lost resistance

A

True

92
Q

In the tubercle, coagulation necrosis is seen

A

True

93
Q

In the phase of early generalization Mycobacteria do not replicate in the lymph node

A

False

94
Q

Mycobacteria are a worldwide disease

A

True

95
Q

Chronic tuberculosis causes changes in the lymph node

A

False

96
Q

Mycobacteria can be demonstrated from the discharge of sick animals by staining

A

True

97
Q

Tuberculosis can be demonstrated earliest by ELISA

A

False

98
Q

Tuberculosis can first be diagnosed by PCR

A

False

99
Q

Tuberculosis can be diagnosed with certainty serology

A

False

100
Q

Mycobacterium infection in pigs can be zoonotic

A

True

101
Q

Mycobacterium spp. in swine can be caused by atypical mycobacteria

A

True

102
Q

Mycobacteria in swine can be caused by M. bovis and produces localized lesions

A

False

103
Q

M. tuberculosis is a common mycobacterium infection of pig

A

False

104
Q

Mycobacteria are acid and alcohol fast bacteria

A

True

105
Q

Mycobacteria are acid and alcohol fast bacteria

A

True

106
Q

Sawdust bedding can predispose pigs to infection by facultative pathogenic
mycobacteria

A

True

107
Q

Facultative pathogenic mycobacteria can cause generalized tuberculosis in pigs

A

False

108
Q

The habitat of pathogenic mycobacteria is the soil

A

False

109
Q

The habitat of facultative pathogenic mycobacteria is the soil

A

False

110
Q

Only cattle are susceptible to Mycobacterium bovis

A

False

111
Q

Some facultative pathogenic Mycobacteria can cause tuberculosis in cold blooded
animals

A

True

EPI 2 (48 decks)

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