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EPI.o.i.d > Yersiniosis + Necrobacillosis > Flashcards

Yersiniosis + Necrobacillosis Flashcards

1
Q

Yersinia enterocolitica does not infect humans

A

F

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2
Q

Lesions caused by Yersinia pseudotuberculosis are always limited to the gut

A

F

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3
Q

Yersinia pseudotuberculosis can cause a generalised disease in hares

A

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4
Q

Rodents and hares are susceptible to Yersinia pseudotuberculosis

A

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5
Q

Yersinia pseudotuberculosis can cause abortion in cattle

A

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6
Q

Focal inflammation and necrosis are postmortem lesions of the disease caused by Yersinia pseudotuberculosis

A

T

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7
Q

Only rodents are susceptible to Yersinia pseudotuberculosis

A

F

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8
Q

Some Yersinia enterocolitica strains have cross reaction with brucellae

A

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9
Q

Yersinia pestis is endemic in certain countries of Europe

A

F

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10
Q

Yersinia enterocolitica can infect pigs

A

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11
Q

Starvation and long, cold winter can predispose wild living animals to disease caused by Yersinia pseudotuberculosis

A

T

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12
Q

Yersinia pseudotuberculosis mainly causes respiratory clinical signs in cattle

A

F

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13
Q

yersinia pestis has been eradicated from earth

A

F

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14
Q

yersinia enterocolitica generally infects hosts per os

A

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15
Q

fruits and vegetables can be the source of human infection by yersinia

A

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16
Q

the agent of the plague is transmitted by fleas

A

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17
Q

yersinia pseudotuberculosis is a zoonotic agent

A

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18
Q

diseases caused by yersinia pseudotuberculosis occur only in tropical areas

A

F

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19
Q

Diarrhoea is a common clinical sign of yersiniosis in pig

A

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20
Q

Yersinia pseudotuberculosis can cause diarrhoea

A

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21
Q

Carrier animals shed the agent of yersiniosis in the faeces

A

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22
Q

Plague is caused by Yersinia pestis

A

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23
Q

Only rats are susceptible to plague

A

F

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24
Q

Fleas can transmit plague

A

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25
Q

Yersinia pseudotuberculosis can infect brown hares

A

T

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26
Q

Yersinia pseudotuberculosis can cause septicaemia is rodents

A

T

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27
Q

Farm animals are regularly vaccinated to prevent infection caused by Yersinia pseudotuberculosis

A

F

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28
Q

Yersinia pseudotuberculosis can infect humans

A

T

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29
Q

Plague is caused by Yersinia pseudotuberculosis

A

F

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30
Q

Arthropods are involved in spreading of plague

A

T

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31
Q

Yersinia pseudotuberculosis has a wide host range

A

T

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32
Q

Yersinia pseudotuberculosis is not a zoonotic agent

A

F

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33
Q

Yersinia enterocolitica can cause diarrhoea only in rodents

A

F

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34
Q

Yersinia enterocolitica can cause septicaemia

A

T

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35
Q

Yersinia enterocolitica can cause lesions in the mesenteric lymph nodes

A

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36
Q

Yersinia enterocolitica can infect humans.

A

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37
Q

Plague occurs in the United States

A

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38
Q

Only humans are susceptible to the agent of plague

A

F

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39
Q

Yersinia pseudotuberculosis causes frequently clinical signs in rodents

A

T

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40
Q

Yersinia pseudotuberculosis can cause enteritis

A

T

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41
Q

Yersinia enterocolitica can infect only swine

A

F

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42
Q

Yersinia enterocolitica can infect animals per os.

A

T

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43
Q

Yersinia pseudotuberculosis can infect rodents

A

T

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44
Q

Yersinia pseudotuberculosis can colonize the gut

A

T

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45
Q

Yersinia pseudotuberculosis cause tuberculosis in wild living animals

A

F

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46
Q

Yersinia pseudotuberculosis can infect only rodents

A

F

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47
Q

Animals can be infected with Yersinia pseudotuberculosis mainly per os

A

T

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48
Q

Starvation of wild living animals is a predisposing factor of yersiniosis

A

T

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49
Q

Infection with Yersinia pseudotuberculosis is limited to the gut

A

F

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50
Q

Yersinia pseudotuberculosis can cause septicaemia in rodents and hares

A

T

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51
Q

Yersinia pseudotuberculosis can cause focal inflammation and necrosis in the parenchymal organs

A

T

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52
Q

Yersinia pseudotuberculosis can survive in the environment

A

T

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53
Q

Yersinia pseudotuberculosis can cause disease only in rodents

A

F

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54
Q

Yersinia pseudotuberculosis usually appears in tropical regions

A

F

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55
Q

Yersinia pseudotuberculosis generalizes in brown hares

A

T

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56
Q

The agent of yersiniosis cannot be cultured, PCR is the only way of its detection

A

F

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57
Q

Yersiniosis of rodents can be caused by Yersinia pseudotuberculosis

A

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58
Q

Carrier animals shed the agent of yersiniosis in the faces

A

T

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59
Q

Yersinia pseudotuberculosis can cause severe pleuropneumonia in rodents

A

F

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60
Q

Yersinia pseudotuberculosis can cause disease in hares

A

T

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61
Q

Infection caused by Yersinia pseudotuberculosis is always limited to the gut

A

F

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62
Q

Primary replication sites of Y. enterocolitica are the tonsils and lymphoid tissue of gut

A

T

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63
Q

Y. enterocolitica has a narrow host range.

A

F

64
Q

Y. enterocolitica can be treated with tetracyclines

A

T

65
Q

Swine is an important host of Y. enterocolitica

A

T

66
Q

Chronic lesions caused by Y. enterocolitica resemble the lesions of tuberculosis

A

F

67
Q

Hare and chinchilla are most susceptible to Y. enterocolitica

A

F–swine

68
Q

Rodentiosis is caused by Y. pseudotuberculosis

A

T

69
Q

Y. pseudotuberculosis is relatively resistant and replicates in the environment

A

T

70
Q

Arthritis can occur in the chronic form of the Y. pseudotuberculosis

A

T

71
Q

Lesions are most often seen in the small intestines in case of Y. pseudotuberculosis

A

F

72
Q

Y. pseudotuberculosis is normally present in rodents

A

F

73
Q

Y. pseudotuberculosis sporadically causes abortion in cattle

A

T

74
Q

Y. pseudotuberculosis can cause inflammatory necrosis lesions in rodent

A

T

75
Q

Disease caused by Y. pseudotuberculosis is common in rodents and hares

A

T

76
Q

Foot rot is more severe in cattle than in sheep

A

F

77
Q

The hoof can be detached in the case of foot rot

A

T

78
Q

Virulent foot rot can be treated with antibiotics

A

T

79
Q

Foot rot occurs only in sheep

A

F

80
Q

The agent of foot rot can produce proteases; they are virulence factors

A

T

81
Q

the causative agent of foot rot is dichelobacter nodosus

A

T

82
Q

the main virulence factors of dichelobacter nodosus are toxins

A

F—proteases

83
Q

the warm and wet environment can predispose to foot rot

A

T

84
Q

Keratinsase production is a virulence factor of the agent of Foot Rot

A

T

85
Q

Foot Rot cannot be prevented by vaccination

A

F

86
Q

Production of keratinase is a virulence factor of Dichelobacter nodosus

A

T

87
Q

Morbidity of foot rot is very low, 1-5%.

A

F

88
Q

Foot bath in zinc sulphate can be used for the treatment of foot rot

A

T

89
Q

Dichelobacter nodosus causes foot rot in sheep

A

T

90
Q

Dichelobacter nodosus is helped by other bacteria in the pathogenesis of foot rot

A

T

91
Q

Dichelobacter nodosus can produce keratinase

A

T

92
Q

Foot rot has more severe clinical signs in goats than sheep

A

F

93
Q

Exotoxins of the causative agent are responsible for the lesions of foot rot

A

F–ec enzymes

94
Q

Extracellular enzymes of the causative agent are responsible for the lesions of foot rot

A

T

95
Q

Footbath with formalin can be used for prevention or for treatment of milder cases of foot rot

A

T

96
Q

Toxins are the main virulence factors of Dichelobacter nodosus

A

F

97
Q

Warm and wet climate predispose animals to foot rot

A

T

98
Q

Animals with softened hoof wall are more susceptible for panaritium (foot rot).

A

T

99
Q

Contaminated, dirty bedding is a predisposing factor for foot rot

A

T

100
Q

In the development of foot rot, fimbriae of the pathogen have an important role

A

T

101
Q

Treatment of foot rot is using foot bath containing formalin and sterogenol

A

T

102
Q

For treatment of panaritium, formalin foot baths are recommended

A

T

103
Q

Foot rot is a very rare disease in Europe

A

F

104
Q

Fimbria and extracellular enzymes are the virulence factors of the agent of foot rot

A

T

105
Q

Dichelobacter causes Necrobacillosis

A

F

106
Q

The causative agent of foot root can produce exotoxins

A

F

107
Q

The causative agent of foot root can produce enzymes

A

T

108
Q

Foot rot can be prevented by foot bath

A

T

109
Q

Animals with soft horn are more predisposed to panaritium

A

T

110
Q

Strongly contaminated bedding is a predisposing factor to panaritium

A

T

111
Q

The fimbriae of the pathogens play an important role in the development of panaritium

A

T

112
Q

To treat severe foot rot we use parenteral antibiotics

A

T

113
Q

Fusobacterium necrophorum subsp. necrophorum causes necrobacillosis

A

T

114
Q

Fusobacterium necrophorum subsp. necrophorum can help the agent of foot rot in causing disease

A

T

115
Q

Aerosol infection is a common form of transmission of the agent of necrobacillosis

A

F

116
Q

Necrobacillosis is mainly seen in young animals

A

T

117
Q

Rumen parakeratotosis can predispose to necrobacillosis

A

T

118
Q

Insufficient disinfection of the navel can predispose to necrobacillosis

A

T

119
Q

Abortion is a frequent clinical sign of necrobacillosis

A

F

120
Q

Laryngeal erosion serves as place of entry for the agent of calf diphtheria

A

T

121
Q

calf diphtheria is caused by Dichelobacter nodosus

A

F

122
Q

Calf diphtheria is caused by Fusobacterium necrophorum subsp. necrophorum

A

T

123
Q

Respiratory diseases can predispose to calf diphtheria

A

T

124
Q

Fusobacterium necrophorum subsp. funduliforme is the agent Necrobacillosis in lambs

A

F

125
Q

Necrobacillosis can occur as a consequence of navel infection in lambs

A

T

126
Q

Pulmonary necrosis is a frequent lesion of necrobacillosis of lambs

A

F

127
Q

Liver necrosis is a frequent lesion of necrobacillosis of lambs

A

T

128
Q

Fusobacterium funduliforme is the causative agent of Necrobacillosis

A

F

129
Q

Necrosis of the mucous membranes in the oral cavity is a clinical sign of Necrobacillosis

A

T

130
Q

Focal necrosis in the kidney is a frequent post mortem lesion of Necrobacillosis

A

F

131
Q

Necrobacillosis is prevented with wide vaccination

A

F

132
Q

Wounds can predispose to Necrobacillosis

A

T

133
Q

Navel infection can occur in the case of Necrobacillosis

A

T

134
Q

Lesions of Necrobacillosis can be seen frequently in the oral cavity

A

T

135
Q

Rough, sticky feed can predispose to Necrobacillosis

A

T

136
Q

Necrosis in the liver can be a post mortem lesion of Necrobacillosis

A

T

137
Q

Necrobacillosis can only be seen in lambs

A

F

138
Q

In the case of Necrobacillosis infection can happen through wounds

A

T

139
Q

In the case of Necrobacillosis, aerogenic infection is common

A

F

140
Q

Lesions of Necrobacillosis are frequently found in or around the oral cavity

A

T

141
Q

Fusobacteria are highly resistant, they remain viable in the environment for several weeks

A

F

142
Q

Wounds and abrasions can predispose to Necrobacillosis

A

T

143
Q

Incorrect disinfection of the naval area can lead to Necrobacillosis

A

T

144
Q

Wounds on the oral mucosa can predispose animals to Necrobacillosis

A

T

145
Q

The clinical signs of Necrobacillosis can frequently be seen in young animals

A

T

146
Q

Necrobacillosis is a generalized disease with high fever and depression

A

F

147
Q

Vaccines containing attenuated agents are widely used to prevent Necrobacillosis

A

F

148
Q

Necrobacillosis is caused by Dichelobacter nodosus

A

F

149
Q

Foot rot is the main sign of Necrobacillosis

A

F

150
Q

The lesions in Necrobacillosis are restricted to the mouth

A

F

151
Q

Necrobacillosis occurs mainly in young animals

A

T

152
Q

There is no treatment for Necrobacillosis

A

F

153
Q

Umbilical disinfection has an important role in the prevention of Necrobacillosis

A

T

154
Q

Necrobacillosis in lambs can be seen as a result of an umbilical infection

A

T

155
Q

Fusobacterium necrophorum subsp. necrophorum strains can cause Necrobacillosis of calves

A

T

156
Q

You can find necrosis in the mouth in case of Necrobacillosis in lambs

A

T

157
Q

You can find liver abscesses in case of Necrobacillosis

A

F—liver focal necrosis

EPI.o.i.d (50 decks)

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