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EPI 2 > Bovine tuberculosis > Flashcards

Bovine tuberculosis Flashcards

(114 cards)

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1
Q

Mainly proliferative lesions can be seen in the late generalization phase of bovine tuberculosis

A

False

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2
Q

Bovine tuberculosis is sustained by infected animals

A

True

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3
Q

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

A

True

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4
Q

Infected cattle shed the agents of bovine tuberculosis in milk

A

True

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5
Q

Infected cattle shed the agents of bovine tuberculosis in tracheal discharge

A

True

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6
Q

Infection of cattle with Mycobacterium tuberculosis is frequently asymptomatic

A

True

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7
Q

The sensitivity of the intradermal tuberculin test is above 90% in cattle

A

True

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8
Q

If the tuberculin test is negative, it has to be repeated immediately

A

False

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9
Q

The tuberculin test in cattle can be false negative if the animal is infected with
facultative pathogenic mycobacteria

A

False

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10
Q

The tuberculin test in cattle can be false negative if the animal is infected with
Mycobacterium tuberculosis

A

False

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11
Q

The tuberculin test in cattle can be false negative if the animal is in the exhaust phase

A

True

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12
Q

The tuberculin has to be injected in the skin fold in the skin intra dermal test

A

True

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13
Q

The tuberculin test is used for the detection of infection of animals with mycobacteria

A

True

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14
Q

The intradermal tuberculin test is negative if the increase of the thickness of the skin is
1.8 mm and there are no local lesions or signs

A

True

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15
Q

The intradermal tuberculin test is positive if the increase of the thickness of the skin is 3.6 mm and there are local lesions or signs

A

True

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16
Q

The intradermal tuberculin test is negative if the increase of the thickness of the skin is 3.6 mm and there is no local lesions or signs

A

False

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17
Q

If the resistance of the animal is high, mainly exudative lesions of tuberculosis can be seen

A

False

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18
Q

In the case of bovine tuberculosis aerogenic infection is the most frequent way of infection

A

True

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19
Q

In the case of bovine tuberculosis always exudative lesions can be seen

A

False

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20
Q

Selection (test & slaughter) and generation shift methods can be used for eradication of
bovine tuberculosis

A

True

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21
Q

Europe is free from bovine tuberculosis; bovine tuberculosis does not occur in Europe at
all

A

False

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22
Q

Rifampicin is frequently used for the treatment of bovine tuberculosis

A

False

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23
Q

The thermal tuberculin test can be used in order to examine the organic reaction of
bovine tuberculosis

A

True

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24
Q

The tuberculin test in cattle can be false negative if only short time (1-3 weeks) has
passed since the infection

A

True

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25
Positive reaction of the tuberculin test in cattle can be caused by infection with Mycobacterium tuberculosis
True
26
False positive reactions of the tuberculin test in cattle can be caused by infection with certain Corynebacterium species
True
27
Mycobacterium bovis is an agent of bovine tuberculosis
True
28
If the cellular immune reaction of cattle is weak, mainly exudative lesions of tuberculosis can be seen
True
29
Bovine tuberculosis cause mainly exudative lesions in calves below 1 month
False
30
Mycobacterium tuberculosis can cause tuberculosis in humans
True
31
In case of infection with mycobacterium bovis the reaction against bovine and avian tuberculin is about the same in cattle
False
32
Cough is a typical clinical sign of bovine pulmonary tuberculosis
True
33
Mycobacterium bovis and mycobacterium caprae belong to the mycobacterium tuberculosis complex
True
34
The incubation time of bovine tuberculosis is 1-2 weeks
False
35
Mycobacterium bovis can cause generalized tuberculosis in pigs
True
36
The skin intradermal tuberculin test has to be read 24 hours after injection
False
37
Dermatitis nodosa is caused by mycobacterium bovis
False
38
Only aerosol infection occurs in the case of bovine tuberculosis
False
39
The skin intradermal tuberculin test can be repeated within a week if necessary
False
40
Mycobacterium bovis can cause tuberculosis in humans
True
41
The primary complex of bovine tuberculosis is generally seen in the gastrointestinal tract
False
42
False positive reactions of the tuberculin test in cattle can be caused by pre-allergy
False
43
In the intradermal skin test for tuberculosis, other mycobacteria can cause false positive
True
44
The skin intra-dermal tuberculin test is a type IV hyper-sensitivity test
True
45
Mycobacterium bovis and Mycobacterium caprae can cause bovine tuberculosis
True
46
The tuberculin skin test is positive if the skin thickness is 2mm and local signs such as severe oedema of the neck is present
True
47
In the exhaust phase of Tuberculosis, the tuberculin test can be false positive
False
48
The primary complex in bovine tuberculosis is mainly in the respiratory tract
True
49
The tuberculin test is inconclusive if the increase of the thickness of the skin fold is 3.2 mm and it is painful
False
50
The tuberculin test is negative for 3 weeks after infection
True
51
Cattle are vaccinated every year in order to prevent tuberculosis
False
52
The tuberculin reaction is positive if the increase of the thickness of the skin fold is 4.1 mm
True
53
If the increase of thickness of the skin fold in the tuberculin test is 4.1 mm, the reaction is inconclusive
False
54
If the positive tuberculin reaction is caused by facultative pathogenic mycobacteria the positivity will disappear after a few months
True
55
Cough is a frequent sign of bovine tuberculosis
True
56
Intestinal tuberculosis has no clinical signs in cattle
False
57
Badgers can infect cattle with Mycobacterium bovis
True
58
Vaccines are widely used to prevent bovine tuberculosis
False
59
Mycobacterium bovis cannot cause tuberculosis in pigs
False
60
Mycobacterium bovis can infect cage birds
True
61
Parallergy lasts lifelong in the case of cattle
False
62
Inhalation is the most frequent form of infection in the case of bovine tuberculosis
True
63
Parallergy results in false negative reaction in the tuberculin test
False
64
If the thickness of the skin is increased with 3.4 mm in the tuberculin test and local lesions are present, test is inconclusive
False
65
Tuberculotic cattle are treated with antibiotics for at least three weeks
False
66
The skin intradermal tuberculin test has to be read after 72 h
True
67
If the intradermal tuberculin test is inconclusive, it has to be repeated within a week
False
68
If the skin fold become 3 mm thicker in the skin intradermal tuberculin test and is painful, the test is positive
True
69
Mycobacterium avium subsp. avium can cause positive tuberculin reaction in cattle
True
70
At bovine tuberculosis the resistance of the infected animals effects the clinical manifestation
True
71
At most cases bovine tuberculosis has a rapid, acute progression
False
72
Bovine tuberculosis shows clinical signs mainly under the age of 6 months
False
73
The main pathogen causing bovine tuberculosis is Mycobacterium tuberculosis
False
74
Bovine tuberculosis only affects the lungs
False
75
Bovine tuberculosis is a zoonosis
True
76
Tuberculosis causes generalized disease by organic infection in cattle
True
77
Tuberculosis cannot infect cattle per os
False
78
Tuberculosis in cattle occurs especially in young animals
False
79
Cattle tuberculosis can be diagnosed by serological methods
False
80
Cattle tuberculosis is always generalized
False
81
Tuberculosis in cattle is prevented with frequent vaccinations
False
82
Cattle are infected with M. bovis mainly per os and enteric tuberculosis is most frequent
False
83
Cattle infected with M. bovis will carry the bacterium for a maximum of 1 year
False
84
In intestinal tuberculosis, diarrhoea is the main clinical sign
True
85
In the case of bovine tuberculosis foetuses are generally not infected
True
86
Generation shift can be used for eradication of tuberculosis
True
87
Vaccination of 6-month-old calves with BCG vaccine will result eradication of tuberculosis
False
88
After infection with Mycobacterium bovis cattle remain lifelong carriers
True
89
The primary complex in cattle is generally in the lungs and the mediastinal lymph nodes
True
90
In cattle extrapulmonary tuberculosis does not occur
False
91
Late generalization is characterized by productive processes
False
92
Chronic tuberculosis affects organs together with lymph nodes
True
93
The skin intradermal tuberculin test is negative if the thickness of the skin increased by 4.5 mm
False
94
Tuberculin test can detect about 50% of the infected animals
False
95
The skin intradermal tuberculin test is highly sensitive in cattle
True
96
The skin intradermal tuberculin test is negative if the thickness of the skin increased by 4.1 mm
False
97
In case of positive tuberculin reactions in a herd, movement restriction has to be implemented
True
98
The PPD-tuberculin (purified protein derivative) contains the antigenic abstract of the agent
True
99
During the general tuberculin test we give the tuberculin SC or IV
False
100
General tuberculin test is used to trigger a hypersensitivity reaction
True
101
The general tuberculin test (name) is not really used now a days
True
102
The tuberculin test can be false negative in cattle within 3 weeks after infection
True
103
The intradermal tuberculin test can be: False positive in case of infection by Mycobacterium avium subsp. paratuberculosis
True
104
The intradermal tuberculin test can be: False negative in case of anergy
True
105
The intradermal tuberculin test can be: False negative in case of pre-allergy
True
106
The intradermal tuberculin test can be: False negative in case of older, demarcated nodule
True
107
Tuberculin test is false negative in case of old, encapsulated lesions
True
108
Tuberculin test is false negative in case of pre-infection
True
109
At the end of the disease the probe/intradermal skin test can be negative
True
110
In other types of tuberculosis infections the intradermal tuberculin can be positive
True
111
Using the thermal tuberculin test, organic reactions can be increased
True
112
In case of para-allergic reaction we carry out the comparative tuberculin test. In case of para-allergic reaction we eliminate the positive animals immediately
True
113
In case of para-allergic reaction we perform a test-cut
False
114
In addition to para-allergic test we can carry out a gamma interferon test
True

EPI 2 (48 decks)

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