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EPI PQ > MT3- Bacillus anthracis > Flashcards

MT3- Bacillus anthracis Flashcards

1
Q

Animals showing clinical signs of anthrax have to be killed, treatment is not allowed

A

F

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2
Q

The agent of anthrax is spreading in the herd very fast from animal to animal

A

F

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3
Q

Anthrax is frequently a peracute disease in cattle

A

T ( parachute or acute)

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4
Q

Anthrax is caused by Clostridium anthracis

A

F ( Bacillus anthracis)

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5
Q

Enlargement of the spleen is a frequent postmortem lesion of anthrax

A

T

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6
Q

Anthrax can occur only in ruminants

A

F ( ruminant, horse, dog, cat, human, swine, birds )

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7
Q

Anthrax can be diagnosed by staining blood smear

A

T

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8
Q

Anthrax is zoonosis

A

T

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9
Q

Incomplete blood clotting is a typical postmortem finding in the case of anthrax

A

T

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10
Q

Animals are infected with the agent of anthrax mainly per os

A

T

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11
Q

There are no vaccines for the prevention of Anthrax

A

F (live vaccine)

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12
Q

Animals are infected with the agent of anthrax mainly per os

A

T

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13
Q

Anthrax can cause clinical signs in pigs

A

T

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14
Q

Horses are resistant to Anthrax

A

F

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15
Q

Generally live vaccines are used for the prevention of anthrax

A

T

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16
Q

There is a metachromatic staining in the case of Bacillus Anthracis

A

T

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17
Q

Capsule and oedema factor are virulence factors of Bacillus anthracis

A

T

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18
Q

Carbon dioxide is needed to the spore production of Bacillus Anthracis

A

F ( t is needed for capsule production)

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19
Q

Capsule is a virulence factor of the agent of anthrax

A

T

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20
Q

CO2 is needed for the spore formation of the agent of anthrax

A

F (oxygen is needed)

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21
Q

Pigs are more susceptible to anthrax than sheep

A

F (pigs are less susceptible)

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22
Q

Oedema factor is a virulence factor of the agent of anthrax.

A

T

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23
Q

Human anthrax cannot be treated with antibiotics

A

F

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24
Q

Inactivated vaccines are used for the prevention of Anthrax

A

F ( live vaccine)

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25
Q

Only herbivorous animals can show clinical signs of Anthrax

A

F

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26
Q

The spore of Bacillus anthracis can survive several decades in the soil

A

T

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27
Q

Bacillus Anthracis cannot produce spores in the infected animals

A

T

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28
Q

Dogs are more susceptible to Bacillus Anthracis than sheep

A

F

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29
Q

Europe is already free from anthrax

A

F

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30
Q

Anthrax cannot be seen in Europe anymore

A

F

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31
Q

Capsule is a virulence factor of B. anthracis

A

T

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32
Q

Cattle are infected with B. anthracis mainly from the soil

A

T

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33
Q

Pigs are more susceptible to anthracis than sheep

A

F

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34
Q

Anthrax is a per-acute or acute diseases in cattle

A

T

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35
Q

Colic is a typical clinical sign of anthrax in horses

A

T (colic, fever, oedema)

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36
Q

Anthrax can be diagnosed with microscopic examination of blood

A

T

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37
Q

Inactivated vaccines are used for the prevention of anthrax

A

F (live vaccine)

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38
Q

Bacillus anthracis main virulence factor is in the capsule

A

T

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39
Q

The oedema factor is an important virulence factor in bacillus anthracis

A

T

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40
Q

Bacillus anthracis spores: after 1 hour of boiling they are still alive.

A

T , f??

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41
Q

Bacillus anthracis makes spores only without oxygen

A

F

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42
Q

Anthrax important symptom is high fever

A

T

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43
Q

If the animals have Anthrax and they have a fever, you have to vaccinate them immediately

A

F

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44
Q

For anthrax we use inactive vaccine

A

F (live vaccine)

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45
Q

Humans infected with Anthrax, primarily per os

A

F (aerosol or wound infection)

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46
Q

Bacillus anthracis, herbivores are especially susceptible

A

T

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47
Q

Bacillus anthracis is not in pig

A

F ( pigs are less susceptible)

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48
Q

Anthrax spreads rapidly in a herd

A

F

49
Q

Bacillus anthracis is in the soil.

A

T

50
Q

In anthrax, tracheitis common in carnivores

A

F

51
Q

Anthrax causes necrotic foci in liver

A

F

52
Q

Anthrax diagnosis with blood/staining

A

T

53
Q

Anthrax cannot occur in dogs and cats

A

F ( ruminants, horse, dog, cat, human, swine)

54
Q

The agent of anthrax can infect only herbivorous animals

A

F

55
Q

The agent of anthrax is not spreading from animal to animal.

A

T

56
Q

There is a septicaemia in cattle in the case of anthrax

A

T

57
Q

Anthrax is caused by Bacillus bovine

A

F (Bacillus anthracis)

58
Q

The capsule of the agent of anthrax is polypeptide

A

T, F??

primarily composed of a complex sugar called poly-D-glutamic acid (PDGA), not a polypeptide??

59
Q

Anaerobic conditions are needed to the spore formation of the agent of anthrax

A

F

60
Q

Pigs are the most susceptible animals to the agent of anthrax

A

F ( less susceptible)

61
Q

Animals showing clinical signs of anthrax are not allowed to be treated with antibiotics

A

F

62
Q

Only capsulated strains of Bacillus anthracis can cause anthrax

A

T

63
Q

Oedema factor and lethal factor are important virulence factors of Bacillus anthracis

A

T

64
Q

The clinical signs of anthrax in pigs are more severe than in cattle

A

F

65
Q

Dogs and cats are resistant against the agent of anthrax

A

F

66
Q

Only capsulated strain of B. anthracis is virulent

A

T

67
Q

Toxin is a virulence factor of B. anthracis.

A

T

68
Q

Lethal factor is a virulence factor of B. anthracis

A

T

69
Q

Cell wall antigen is a virulence factor of B. anthracis

A

F (Only capsulated strain)

70
Q

Oxygen is needed to the spore production of B. anthracis

A

T

71
Q

Spore is a virulence factor of B. anthracis

A

F

72
Q

B. anthracis can cause blackleg

A

F

73
Q

Anthrax is generally seen as a chronic disease in cattle

A

F

74
Q

In case of anthrax, febrile animals have to be separated and vaccinated.

A

F

75
Q

Animals with anthrax can be treated with penicillin

A

T ( also tetracyclines, fluoroquinolones)

76
Q

Anthrax spreads rapidly in a herd from animal to animal

A

F

77
Q

B. anthracis can only be diagnosed by bacterial culture

A

F

78
Q

B. anthracis can only be diagnosed by Ascoli test

A

F

79
Q

Animals suspected of being infected with anthrax should be vaccinated

A

F

80
Q

Animals infected with anthrax should be treated with antibiotics.

A

T

81
Q

Virulence factors of anthrax: capsule, toxin, protective antigen

A

T

  • capsule
  • toxin
  • oedema factor
  • lethal factor
  • protective antigen
82
Q

Virulence factors of anthrax: capsule, toxin, cilia

A

F

  • capsule
  • toxin
  • oedema factor
  • lethal factor
  • protective antigen
83
Q

Virulence factors of anthrax: capsule, toxin, oedema factor

A

T

  • capsule
  • toxin
  • oedema factor
  • lethal factor
  • protective antigen
84
Q

Virulence factors of anthrax: capsule, toxin, cell wall antigen

A

F

  • capsule
  • toxin
  • oedema factor
  • lethal factor
  • protective antigen
85
Q

Anthrax is an epidemic disease that rapidly develops

A

F

86
Q

Anthrax is a quickly spreading, contagious infectious disease

A

F

87
Q

For lab examination of Anthrax you always have to send a spleen sample

A

F

88
Q

Animals can only be infected by anthrax on the pasture

A

F

89
Q

Sheep, cattle, and goats are the most sensitive animals to anthrax infection.

A

T

90
Q

Flagella is a virulence factor of B. anthracis

A

F

91
Q

Anthrax spore is a virulence factor.

A

F

92
Q

The source of anthrax infection on animals is generally the soil.

A

T

93
Q

Anthrax appears generally in the form of a local infection in pigs

A

T

94
Q

Fever is a typical sign of acute anthrax

A

T

95
Q

Anthrax can be prevented by using a live vaccine.

A

T

96
Q

Europe is free from Anthrax

A

F

97
Q

Anthrax is caused by Clostridium chauvoei

A

F (Bacillus anthracis)

98
Q

Anthrax is not spreading from animal to animal

A

T

99
Q

Horses are resistant to anthrax

A

F

100
Q

Anthrax is an epidemic disease that rapidly develops

A

F

101
Q

Ruminants are the most sensitive to anthrax.

A

T

102
Q

Animals suffering from anthrax should be treated with antibiotics and hyperimmune sera,
they should not be slaughtered

A

T

103
Q

Causative agent of anthrax is spore-forming bacterium in air

A

T

104
Q

Anthrax spreads in a herd by direct contact

A

F

105
Q

In order to diagnose anthrax all carcasses have to be dissected

A

F

106
Q

Anthrax is an acute disease in cattle with high fever

A

T

107
Q

Swine is highly susceptible in anthrax

A

F (less)

108
Q

Splenic fever causes suffocation.

A

T

109
Q

Splenic fever in cattle is a per-acute/acute disease

A

T

110
Q

Splenic fever is similar in every species

A

F

111
Q

Swine anthrax is generally seen in the form of local lesions

A

T

112
Q

Carnivorous animals are resistant to Bacillus anthracis.

A

F

113
Q

Incomplete clotting of the blood is a post mortem lesion of anthrax

A

T

114
Q

Fibrinous pneumonia is a common post mortem lesion of anthrax

A

F

115
Q

Animals showing clinical signs of anthrax have to be treated with antibiotics immediately

A

T

116
Q

Horses are more susceptible to Bacillus anthracis than pig

A

T

117
Q

Only vaccinated animals are allowed to graze on pastures infected with Bacillus anthracis.

A

F

118
Q

Gastric juice can kill Bacillus anthracis in the meat, so per os infection does not occur in
humans.

A

F

EPI PQ (81 decks)

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