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Epidemiology > Midterm 4 (1) > Flashcards

Midterm 4 (1) Flashcards

1
Q

Fimbria can be virulence factors of E. coli strains

A

True

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2
Q

LT toxin can be virulence factor of some E. coli strains

A

True

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3
Q

Verotoxins produced by E. coli strains cause diarrhea in pigs

A

False

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4
Q

Enterotoxigenic E. coli strains cause diarrhea in neonatal animals

A

True

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5
Q

E. coli strains cannot cause germinative infection in chicken

A

False

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6
Q

E. coli strains cause generalized infection in day-old chicken

A

True

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7
Q

Omphalitis is a frequent clinical sign of E. coli infection of day-old chicken

A

True

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8
Q

Air sacculitis is a common post mortem lesion of E. coli infection in grower chicken

A

True

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9
Q

Fusobacterium necrophorum subsp. funduliforme is the agent Necrobacillosis in lambs

A

False

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10
Q

Necrobacillosis can occur as a consequence of navel infection in lambs

A

True

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11
Q

Pulmonary necrosis is a frequent lesion of necrobacillosis of lambs

A

False

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12
Q

Liver necrosis is a frequent lesion of necrobacillosis of lambs

A

True

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13
Q

Per os infection is a common way of infection in the case of salmonellosis

A

True

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14
Q

Salmonellae are replicating in the gut

A

True

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15
Q

Asymptomatic carriage of salmonellae does not occur in animals

A

False

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16
Q

Abortion can be a clinical sign of salmonellosis of animals

A

True

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17
Q

Salmonellosis is zoonosis

A

True

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18
Q

Antibodies against salmonellae can be detected in the case of generalised salmonellosis

A

True

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19
Q

In the case of generalized salmonellosis, the agent has to be isolated from the faces

A

False

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20
Q

After antibiotic treatment, no salmonella carriers remain in the flock

A

False

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21
Q

Salmonella Typhisuis is an obligate pathogen

A

True

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22
Q

S. Typhisuis replicates in the lymphoid patches of the large intestine

A

True

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23
Q

Infection caused by S. Typhisuis is limited to the intestine

A

False

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24
Q

S. Typhisuis can cause a severe acute disease in swine

A

False

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25
Q

Fowl paratyphoid is caused by Salmonella Gallinarum / Pullorum

A

False

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26
Q

Fowl paratyphoid alone occurs at any age

A

False

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27
Q

Germinative infection can happen in the case of fowl paratyphoid

A

True

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28
Q

Fowl paratyphoid is a septicemic disease in chicken

A

True

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29
Q

Yersinia pseudotuberculosis is a facultative pathogenic bacterium

A

True

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30
Q

Disease caused by Y. pseudotuberculosis is seen in European brown hares

A

True

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31
Q

Infection by Y. pseudotuberculosis is always limited to the gut

A

False

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32
Q

Y. pseudotuberculosis can cause focal necrosis in the parenchymal organs

A

True

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33
Q

Brucella species are widely distributed all over the world

A

True

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34
Q

Brucella species are serologically uniform

A

False

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35
Q

Brucella species need cysteine or cystine as an additive for the culture

A

False

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36
Q

Brucella species are not zoonotic agents

A

False

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37
Q

Bovine brucellosis is caused by Brucella bovis

A

False

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38
Q

B. melitensis can cause abortion in cattle

A

True

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39
Q

In the case of bovine brucellosis abortion usually occurs after fifth month of gestation

A

True

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40
Q

Retention of fetal membranes is a characteristic clinical sign of bovine brucellosis

A

True

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41
Q

Brucella melitensis infection of sheep and goat is common in Mediterranean littoral

A

True

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42
Q

B. melitensis can disappear spontaneously from sheep and goat

A

True

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43
Q

Wild boars can be the source of swine brucellosis in domestic pigs reared outdoors

A

True

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44
Q

European brown hare can carry and shed B. suis biotype 2

A

True

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45
Q

Brucella ovis is a zoonotic agent

A

False

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46
Q

The most frequently seen clinical sign of B. ovis infection is abortion of ewes

A

False

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47
Q

Susceptibility of humans to different Brucella species is different

A

True

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48
Q

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

A

True

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49
Q

Hemorrhagic septicemia is caused by Mannheimia haemolytica

A

False

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50
Q

Exhausting work can predispose to hemorrhagic septicaemia

A

True

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51
Q

The mortality of hemorrhagic septicemia is low

A

False

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52
Q

Hemorrhagic septicemia occurs only in South-East Asia

A

False

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53
Q

Septicemic pasteurellosis of lambs occurs below 3 months of age

A

True

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54
Q

Severe fibrinous pneumonia is a typical lesion in the case of septicaemic pasteurellosis of lambs

A

False

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55
Q

Acute systemic pasteurellosis is caused by Bibersteinia trehalosi

A

True

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56
Q

Focal necrosis in the parenchymal organs can be seen in the case of acute systemic pasteurellosis

A

True

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57
Q

Bordetella bronchiseptica can cause mild respiratory signs in suckling piglets

A

True

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58
Q

Endotoxin produced by Pasteurella multocida is responsible for the clinical signs of atrophic rhinitis

A

False

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59
Q

Atrophy of the turbinates is a typical post mortem lesion of atrophic rhinitis

A

True

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60
Q

There are no vaccines to prevent atrophic rhinitis

A

False

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61
Q

Fowl cholera has been eradicated in Europe

A

False

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62
Q

Endotoxin is responsible for the clinical signs of fowl cholera

A

True

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63
Q

Fever is a common clinical sign of acute fowl cholera

A

True

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64
Q

Vaccines against fowl cholera provide good life long protection

A

False

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65
Q

Francisella tularensis subsp. holarctica is the causative agent of tularaemia in Europe

A

True

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66
Q

European brown hare is the reservoir of the agent of tularaemia in Europe

A

True

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67
Q

Only hares are susceptible to the agent of tularaemia

A

False

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68
Q

Tularaemia is a zoonosis

A

True

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69
Q

Bordetella species are widespread on upper respiratory mucous membranes of birds and mammals

A

True

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70
Q

Turkey coryza is caused by Bordetella bronchiseptica

A

False

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71
Q

Upper respiratory clinical signs are characteristic for turkey coryza

A

True

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72
Q

2-6 weeks old turkey poults are the most susceptible to the causative agent of turkey coryza

A

True

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73
Q

The agent of bovine genital campylobacteriosis is Campylobacter fetus subsp. bovis

A

False

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74
Q

Inflammation of the prepuce is a common clinical sign of bovine genital campylobacteriosis

A

False

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75
Q

Abortion is a common clinical sign of bovine genital campylobacteriosis

A

True

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76
Q

The number of repeat breeders is increased in the case of bovine genital campylobacteriosis

A

True

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77
Q

Campylobacter jejuni can cause enteritis in young dogs

A

True

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78
Q

Per os infection occurs in the case of enteric campylobacteriosis

A

True

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79
Q

Blood never appears in the faces in the case of enteric campylobacteriosis

A

False

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80
Q

Focal necrosis is a post mortem lesion in the case of campylobacter hepatitis of poultry

A

True

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81
Q

The enterotoxigenic E. coli strains cause neonatal diarrhea in calves and piglets

A

True

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82
Q

The enterotoxins of E. coli inhibit the protein synthesis

A

False

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83
Q

The enterotoxigenic E. coli strains have fimbria as adhesins

A

True

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84
Q

The verotoxigenic E. coli strains cause septicemia of calves

A

False

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85
Q

Calf dysentery is caused by enterotoxigenic E. coli strains

A

False

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86
Q

In the case of calf dysentery, not only calves but cows also show severe diarrhoea

A

False

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87
Q

Calves with calf dysentery can recover spontaneously

A

True

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88
Q

Calf dysentery is a zoonotic disease

A

True

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89
Q

The main agent of foot rot is the Dichelobacter nodosus

A

True

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90
Q

Production of keratinase is a virulence factor of Dichelobacter nodosus

A

True

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91
Q

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

A

False

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92
Q

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

A

True

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93
Q

Per os infection can happen in the case of salmonellosis

A

True

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94
Q

Germinative infection can happen in the case of certain salmonella diseases

A

True

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95
Q

Aerogenic infection can happen in the case of certain salmonella diseases

A

True

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96
Q

Sexual transmission is common in the case of certain salmonella diseases

A

False

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97
Q

Salmonella Abortusovis can cause abortion in ewes

A

True

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98
Q

Mixing ewes in their first pregnancy and old pregnant ewes predisposes to abortion caused salmonellae

A

True

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99
Q

Salmonella Abortusovis can cause epididymitis and orchitis in rams

A

False

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100
Q

Sexual transmission is the main way of infection with Salmonella Abortusovis

A

False

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101
Q

Swine typhoid is caused by Salmonella Choleraesuis

A

False

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102
Q

Salmonella Choleraesuis is an obligate pathogen

A

False

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103
Q

Ulcers in the large intestine are frequent post mortem lesions of swine typhoid

A

True

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104
Q

Swine typhoid is treated with penicillin

A

False

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105
Q

Fowl typhoid can be spread by aerogenic infection

A

True

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106
Q

In the case of fowl typhoid there is a peak of death cases between days 3 and 5

A

True

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107
Q

Fowl typhoid is an acute disease of poultry

A

True

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108
Q

Diarrhea is not a typical clinical sign of fowl cholera

A

False

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109
Q

Plague is caused by Yersinia pestis

A

True

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110
Q

The Earth is free from plague

A

False

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111
Q

Only rats are susceptible to plague

A

False

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112
Q

Fleas can transmit plague

A

True

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113
Q

Brucella need chocolate agar to culture

A

False

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114
Q

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

A

False

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115
Q

B. suis is a zoonotic agent

A

True

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116
Q

Brucella ovis needs CO2 to culture

A

True

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117
Q

Nervous clinical signs are frequent in the case of bovine brucellosis

A

False

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118
Q

Bovine brucellosis can be diagnosed using the tuberculin test

A

False

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119
Q

ABR test cannot be used to test colostrum

A

True

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120
Q

Bovine brucellosis is a self-limiting disease

A

True

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121
Q

Swine brucellosis does not occur in Europe

A

False

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122
Q

Agent of canine brucellosis can infect humans

A

True

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123
Q

Brucellosis caused by Brucella melitensis occurs in the Mediterranean area

A

True

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124
Q

The S19 strain is an inactivated B. melitensis strain, which can be used for brucellosis

A

False

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125
Q

Humans can be infected with Brucella ovis from raw sheep or goat milk, are common clinical signs of the disease

A

False

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126
Q

Herd replacement is the only method of eradication of B. melitensis in a goat herd

A

False

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127
Q

Rev-1 strain is an attenuated live B. suis strain

A

False

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128
Q

B. suis can infect brown hares

A

True

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129
Q

Monsoon can predispose to hemorrhagic septicaemia

A

True

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130
Q

Hemorrhagic septicemia is mainly seen in pigs and horses

A

False

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131
Q

Hemorrhagic septicemia is mainly an acute disease

A

True

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132
Q

After recovering from hemorrhagic septicemia the animals do not shed the agent

A

False

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133
Q

Mannheimia haemolytica can cause respiratory pasteurellosis of sheep

A

True

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134
Q

Fibrinous pneumonia is a common post mortem lesion of respiratory pasteurellosis

A

True

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135
Q

Mannheimia haemolytica can cause mastitis of sheep

A

True

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136
Q

Respiratory pasteurellosis of sheep cannot be prevented with vaccines

A

False

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137
Q

Atrophic rhinitis in fattening pigs is caused by Bordetella bronchiseptica

A

False

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138
Q

In 4-6 months old pigs B. bronchiseptica strains cause severe pneumonia

A

False

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139
Q

Dermonectotoxin is an important virulence factor of B. bronchiseptica

A

True

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140
Q

Atrophic rhinitis cannot be prevented with vaccination

A

False

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141
Q

Focal inflammation in the liver is a typical post mortem lesion of fowl cholera

A

True

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142
Q

Hemorrhages generally cannot be seen as post mortem signs of fowl cholera

A

False

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143
Q

After recovering from fowl cholera the animals do not carry the agent any more

A

False

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144
Q

There are vaccines on the market to prevent fowl cholera

A

True

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145
Q

Hamsters and mice are very susceptible to the agent of tularaemia

A

True

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146
Q

Ticks can transmit the agent of tularaemia

A

True

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147
Q

Sheep are regularly vaccinated to prevent tularaemia in Europe

A

False

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148
Q

Tularaemia is not a zoonosis

A

False

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149
Q

Bordetella species can be frequently found on the respiratory mammal species

A

True

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150
Q

Bordetella pertussis can sometimes infect small ruminants

A

False

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151
Q

To the isolation of B. avium V-factor, CO2, and chocolate agar are needed

A

False

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152
Q

B. bronchiseptica strains can be involved in the respiratory disease

A

True

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153
Q

Campylobacter are obligate anaerobic bacteria

A

False

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154
Q

Campylobacters are microaerophilic bacteria

A

True

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155
Q

Campylobacter fetus subsp. venerealis causes bovine genital campylobacter

A

True

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156
Q

Infertility of cows is consequence of bovine genital campylobacter

A

True

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157
Q

Campylobacter jejuni can cause enteritis in humans

A

True

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158
Q

Raw milk can be the source of human Campylobacter jejuni infection

A

True

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159
Q

Campylobacter jejuni can cause hepatitis in humans

A

False

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160
Q

There are widespread vaccinations to prevent diseases caused by Campylobacter jejuni in humans

A

False

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161
Q

Coli diarrhea of calves is caused by enterotoxigenic E. coli strains

A

True

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162
Q

Coli diarrhea of calves is typically seen in 3-4-week-old calves

A

False

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163
Q

Dehydration is a clinical sign of coli diarrhea in calves

A

True

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164
Q

Enteritis in the large intestine is a typical post mortem sign of coli-diarrhea of calves

A

False

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165
Q

E. coli can cause dead eggs

A

True

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166
Q

E. coli can cause septicemia in day-old chicken

A

True

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167
Q

E. coli can cause air sacculitis in grower poultry

A

True

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168
Q

Omphalitis is a frequent post mortem lesion of E. coli septicemia in day-old chicken

A

True

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169
Q

Fusobacterium funduliforme is the causative agent of Necrobacillosis

A

False

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170
Q

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

A

True

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171
Q

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

A

False

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172
Q

Necrobacillosis is prevented with wide vaccination

A

False

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173
Q

Asymptomatic carriage of salmonellae cannot happen in animals

A

False

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174
Q

Salmonella diseases are always limited to the gut

A

False

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175
Q

Arthritis can be a clinical sign of chronic salmonellosis

A

True

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176
Q

Certain salmonella serotypes can cause abortions

A

True

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177
Q

Lack of appropriate provision of colostrum can predispose calves to salmonellosis

A

False

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178
Q

Salmonella Typhi is a frequent agent of salmonellosis of calves

A

False

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179
Q

Transport of calves can predispose to salmonellosis

A

True

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180
Q

There are no vaccines against salmonellosis of calves

A

False

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181
Q

Per os infection is frequent in the case of swine typhoid

A

True

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182
Q

Swine typhoid is limited to the intestine, it cannot cause bacteraemia

A

False

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183
Q

Lesions of swine typhoid can be seen in the small intestine

A

False

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184
Q

Swine typhoid is an acute disease of swine

A

False

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185
Q

Fowl typhoid is caused by Salmonella Gallinarum

A

True

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186
Q

Fowl typhoid is more frequent in water fowl than hens

A

False

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187
Q

The susceptibility to fowl typhoid is increasing with age

A

False

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188
Q

Fowl typhoid can spread with germinative infection

A

True

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189
Q

Yersinia pseudotuberculosis can infect brown hares

A

True

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190
Q

Yersinia pseudotuberculosis can cause septicemia is rodents

A

True

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191
Q

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

A

False

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192
Q

Yersinia pseudotuberculosis can infect humans

A

True

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193
Q

Brucella are Gram-positive and Köster-positive bacteria

A

False

194
Q

The antigens of Brucella are uniform

A

False

195
Q

The majority of the Brucella species can infect humans

A

True

196
Q

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

A

False

197
Q

Bovine brucellosis was described for the first time by Sir David Bruce in 1886

A

False

198
Q

Bovine brucellosis is not a notifiable disease

A

False

199
Q

Bovine brucellosis can be treated well with penicillin

A

False

200
Q

Bovine brucellosis is a self-limiting disease

A

True

201
Q

Rose-Bengal test is a frequently used serological test in the diagnostic work of brucellosis

A

True

202
Q

In ABR (Abortus bang ring/Brucella milk ring) test, we detect brucella antigens in the milk

A

False

203
Q

Fluoroquinolone treatment can cease shedding of Brucella

A

False

204
Q

Rev 1. strain is a modified live vaccine strain of B. melitensis

A

True

205
Q

Brucella ovis generally does not cause septicemia in rams

A

True

206
Q

Brucella ovis is a zoonotic agent

A

False

207
Q

Wild boars and hares can carry and shed the causative agent of swine brucellosis in Europe

A

True

208
Q

Brucella canis can be isolated from the blood of infected dogs for years post infection

A

True

209
Q

Exotoxins are responsible for hemorrhagic septicemia

A

False

210
Q

The agent of hemorrhagic septicemia can be carried in the tonsils

A

True

211
Q

Hemorrhagic septicemia cannot be prevented with vaccines

A

False

212
Q

Haemorrhages on the heart are important post mortem signs of hemorrhagic septicaemia

A

True

213
Q

Mannheimia haemolytica is an important agent of ovine respiratory pasteurellosis

A

True

214
Q

Leukotoxin of M. haemolytica is responsible for the clinical signs of ovine respiratory pasteurellosis

A

True

215
Q

Lesions of ovine respiratory pasteurellosis can be seen in the anterior lobes of the lungs

A

True

216
Q

Macrolide antibiotics can be used to the treatment of ovine respiratory pasteurellosis

A

True

217
Q

Bibersteinia trehalosi is the causative agent pasteurellosis of rabbits

A

False

218
Q

Serous pneumonia is typical in the case of pasteurellosis of rabbits

A

False

219
Q

Pasteurellosis is limited to the respiratory trackt in rabbits

A

False

220
Q

Neurologic signs can be seen in the case of pasteurellosis of rabbits

A

True

221
Q

Fowl cholera occurs only in hens

A

False

222
Q

Fowl cholera is caused by certain serotypes of Pasteurella multocida

A

True

223
Q

The agent of fowl cholera is an obligate pathogen

A

False

224
Q

Germinative infection is common in the case of fowl cholera

A

False

225
Q

The agent of tularaemia is transmitted only by ticks

A

False

226
Q

There are virulence variants of Francisella tularensis

A

True

227
Q

Slide agglutination test is used to recognize tularaemia infection in live animals

A

True

228
Q

Farm animals in Europe are widely vaccinated against tularaemia

A

False

229
Q

The normal habitat of Bordetella species is the mucous membranes of genital tract of animals

A

False

230
Q

Bordetella bronchiseptica can cause rhinitis and pneumonia in piglets

A

True

231
Q

Sinusitis, nasal discharge and conjunctivitis are the most frequently seen clinical signs of turkey coryza

A

True

232
Q

Turkey coryza is caused by Bordetella bronchiseptica

A

False

233
Q

Campylobacter species are Gram-positive curved and motile rods

A

False

234
Q

Campylobacters are fastidious and microaerophilic bacteria

A

True

235
Q

Bovine genital campylobacteriosis is caused C. fetus ssp. fetus

A

False

236
Q

Campylobacter hepatitis of hens is caused C. fetus ssp. fetus

A

False

237
Q

Proliferative enteropathies are caused by Campylobacter hyointestinalis

A

False

238
Q

Intestinal adenomatosis is a form of proliferative enteropathies

A

True

239
Q

Proliferative enteropathies occur in pigs between 6 and 20 weeks of age

A

True

240
Q

Tiamulin can be used for the treatment of proliferative enteropathies

A

True

241
Q

Colostrum deficiency is the main predisposing factor of E. coli septicemia in calves

A

True

242
Q

E. coli septicemia of calves appears in the first days of life

A

True

243
Q

Enterotoxigenic E. coli strains are the causative agents of E. coli septicemia of calves

A

False

244
Q

In the case of E. coli septicemia in calves, diarrhea generally cannot be seen

A

True

245
Q

Coli diarrhea of newborn piglets is caused by enterotoxigenic E. coli strains

A

True

246
Q

Fimbria F4 is an important virulence factor of E. coli strains causing neonatal diarrhoea of piglets

A

True

247
Q

Hemorrhagic diarrhea is typical in the case of coli diarrhea of newborn piglets

A

False

248
Q

There are no vaccines to prevent coli diarrhea of newborn piglets

A

False

249
Q

Dichelobacter nodosus causes foot rot in sheep

A

True

250
Q

Keratinase is a virulence factor of the agent of foot rot

A

True

251
Q

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

A

True

252
Q

Foot rot cannot be prevented with vaccination

A

False

253
Q

Salmonella Typhi is an obligate pathogen, it is the causative agent of fowl typhoid

A

False

254
Q

Salmonellae, which can cause paratyphoid in animals are widespread

A

True

255
Q

Age is a predisposing factor of paratyphoid of animals

A

True

256
Q

Only per os infection occurs in the case of salmonellosis

A

False

257
Q

Salmonellosis of calves is seen mainly in the first week of life

A

False

258
Q

In the case of salmonellosis of calves, focal necrosis in the parenchymal organs can be seen

A

True

259
Q

Arthritis can be a clinical sign of salmonellosis of calves

A

True

260
Q

Humans cannot be infected with salmonellae from calves

A

False

261
Q

Equine herpesvirus 1 infection can predispose horses to salmonellosis

A

True

262
Q

Salmonellosis of horses occurs only in foals in the first month of life

A

False

263
Q

Tenosynovitis can be a clinical sign of equine salmonellosis

A

True

264
Q

Enteritis can be a clinical sign of equine salmonellosis

A

True

265
Q

Germinative infection occurs in the case of fowl typhoid

A

True

266
Q

Fowl typhoid has a death peak on days 3-5

A

True

267
Q

Fowl typhoid has no effect on hatching %

A

False

268
Q

Unabsorbed yolk sack is a post mortem lesion of fowl typhoid

A

True

269
Q

Plague is caused by Yersinia pseudotuberculosis

A

False

270
Q

Arthropods are involved in spreading of plague

A

True

271
Q

Yersinia pseudotuberculosis has a wide host range

A

True

272
Q

Yersinia pseudotuberculosis is not a zoonotic agent

A

False

273
Q

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

A

True

274
Q

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

A

False

275
Q

There are no brucellosis-free countries in the world

A

False

276
Q

Most of the Brucella species are zoonotic agents

A

True

277
Q

Bovine brucellosis is caused by Brucella bovis

A

False

278
Q

Sensitivity and specificity of the serological tests, which are used in Brucella diagnostics are different

A

True

279
Q

Bovine brucellosis is a notifiable disease

A

True

280
Q

An early antibiotic therapy is really important in the treatment of bovine brucellosis

A

False

281
Q

There is close antigenic relationship between Brucella bovis and Brucella ovis

A

False

282
Q

Brucella suis can cause severe abortion in cattle

A

False

283
Q

Brucella bovis can infect brown hares

A

False

284
Q

Arthritis is a typical clinical sign of porcine brucellosis

A

True

285
Q

Farmed pigs are regularly vaccinated against brucellosis in Europe in order to prevent infection from wild boars

A

False

286
Q

Canine brucellosis does not occur in Europe

A

False

287
Q

Ovine brucellosis caused by B. ovis is zoonosis

A

False

288
Q

The Rev-I vaccine strain is an attenuated, live B. ovis strain

A

False

289
Q

Mannheimia haemolytica is an important agent of shipping fever

A

True

290
Q

Leukotoxin of M. haemolytica damages the alveolar macrophages

A

True

291
Q

Interstitial pneumonia is a frequent post mortem lesion of pulmonary pasteurellosis of cattle

A

False

292
Q

The pneumonic lesions in the case of pulmonary pasteurellosis of cattle can be seen mainly in the diaphragmatic lobe

A

False

293
Q

Acute systemic pasteurellosis occurs in lambs that are younger than 3 months

A

False

294
Q

Acute systemic pasteurellosis is caused by Mannheimia haemolytica

A

False

295
Q

Acute systemic pasteurellosis occurs in sheep but not goats

A

False

296
Q

Mannheimia haemolytica can cause mastitis in ewes

A

True

297
Q

Block of the lacrimal channel is a typical sign of atrophic rhinitis

A

True

298
Q

The dermonecrotoxin producing Pasteurella multocida strains are responsible for the severe lesions of atrophic rhinitis

A

True

299
Q

The dermonecrotoxin of P. multocida inhibits the activity of the osteoclast cells

A

False

300
Q

Atrophic rhinitis can be prevented by vaccinating the day-old piglets

A

False

301
Q

Turkey are highly susceptible to fowl cholera

A

True

302
Q

Fowl cholera is caused by Pasteurella multocida strains

A

True

303
Q

The agent of fowl cholera is an obligate pathogen

A

False

304
Q

Arthritis is a clinical sign of chronic fowl cholera

A

True

305
Q

Francisella tularensis subsp. tularensis is the most frequent subspecies of the agent in Europe

A

False

306
Q

Brown hares are susceptible to tularaemia

A

True

307
Q

Tularaemia can be frequently seen in cattle in Europe

A

False

308
Q

Francisella tularensis can infect humans

A

True

309
Q

Bordetella occur mainly on the mucous membranes of the genitals of mammals

A

False

310
Q

Bordetella are very fastidious bacteria, cysteine, cystin and chocolate agar are needed to the culture

A

False

311
Q

Bordetellosis of turkey can be prevented with inactivated vaccines

A

True

312
Q

Bordetella bronchiseptica can cause respiratory diseases of rabbits

A

True

313
Q

Bovine genital campylobacteriosis is an acute septicemic disease

A

False

314
Q

Infertility of the bulls is a clinical sign of bovine genital campylobacteriosis

A

False

315
Q

Abortion is a clinical sign of bovine genital campylobacteriosis

A

True

316
Q

Bovine genital campylobacteriosis can be diagnosed by staining the stomach content of the foetus

A

True

317
Q

Campylobacter jejuni can cause diarrhea in young dogs

A

True

318
Q

Campylobacter jejuni can cause septicemia in young dogs

A

False

319
Q

An important clinical signs of campylobacter hepatitis of poultry are the drop of egg production

A

True

320
Q

Fibrinous peri-hepatitis is a post mortem lesion in the case of campylobacter hepatitis of poultry

A

True

321
Q

The habitat of the obligate pathogenic Mycobacteria is the environment

A

False

322
Q

Mycobacteria are obligate intracellular bacteria

A

True

323
Q

Waxes can be found in the cell wall of Mycobacteria

A

True

324
Q

Only Mycobacterium tuberculosis can cause tuberculosis in humans

A

False

325
Q

Mycobacterium bovis can cause bovine tuberculosis

A

True

326
Q

The primary complex in bovine tuberculosis is mainly in the respiratory tract

A

True

327
Q

Neutrophil granulocytes can be typically found in tubercles

A

False

328
Q

Necrosis can be seen in the tubercles

A

True

329
Q

The tuberculin contains antigens from mycobacteria

A

True

330
Q

The tuberculin test is inconclusive if the increase of the thickness of the skin fold is 3.2 mm and it is painful

A

False

331
Q

The tuberculin test is negative for 3 weeks after infection

A

True

332
Q

Cattle are vaccinated every year in order to prevent tuberculosis

A

False

333
Q

Lumpy jaw is a frequently seen disease in cattle herds with high morbidity

A

False

334
Q

Nocardia asteroides is a soil microorganism

A

True

335
Q

Heavy rain and wet skin surfaces are important predisposing factors in case of dermatophilosis

A

True

336
Q

1 to 3 months old foals acquire Rhodococcus equi from the dust, so the main route of infection is the inhalation of the dust contaminated with the causative agent

A

True

337
Q

Enterotoxigenic E. coli strains cause coli diarrhea in calves

A

True

338
Q

High fever is a typical sign of coli diarrhea of calves

A

False

339
Q

Severe inflammation in the small intestine can be seen in the case of coli diarrhoea of calves

A

False

340
Q

Coli-diarrhea can be prevented by vaccinating the pregnant cows

A

True

341
Q

E. coli can cause embryonic mortality in poultry

A

True

342
Q

E. coli can cause septicemia in day-old chicken

A

True

343
Q

E. coli can cause clinical signs only in chicken below of 2 weeks of age

A

False

344
Q

E. coli can frequently cause air sacculitis in grower chicken

A

True

345
Q

Salmonellosis of calves is typically seen in 2-6-week-old animals

A

True

346
Q

Calves are infected with Salmonellae generally per os

A

True

347
Q

Salmonellae do not enter the blood stream in calves

A

False

348
Q

Abortion can be a clinical sign of bovine salmonellosis

A

True

349
Q

Mixing old ewes in their first pregnancy can predispose to salmonellosis of sheep

A

False

350
Q

Septicaemia occurs in the case of ovine salmonellosis.

A

True

351
Q

Certain virus infections can predispose horses to salmonellosis

A

True

352
Q

Horses are regularly vaccinated in order to prevent salmonellosis

A

False

353
Q

Salmonella Choleraesuis can cause swine paratyphoid

A

True

354
Q

Swine paratyphoid generally occurs in all age groups

A

False

355
Q

High fever is a typical sign of swine paratyphoid

A

True

356
Q

There are vaccines against swine paratyphoid on the market

A

True

357
Q

Fowl typhoid is a frequent disease in large scale farms

A

False

358
Q

Fowl typhoid is caused by Salmonella Enteritidis

A

False

359
Q

Aerogenic infection occurs in the case of fowl typhoid

A

True

360
Q

Arthritis is a clinical sign of fowl typhoid

A

True

361
Q

Yersinia enterocolitica can cause diarrhea only in rodents

A

False

362
Q

Yersinia enterocolitica can cause septicemia

A

True

363
Q

Yersinia enterocolitica can cause lesions in the mesenteric lymph nodes

A

True

364
Q

Yersinia enterocolitica can infect humans

A

True

365
Q

Necrobacillosis is caused by Fusobacterium necrophorum subsp. Funduliforme

A

False

366
Q

Wounds can predispose to Necrobacillosis

A

True

367
Q

Navel infection can occur in the case of Necrobacillosis

A

True

368
Q

Lesions of Necrobacillosis can be seen frequently in the oral cavity

A

True

369
Q

Haemorrhagic septicemia is caused by Pasteurella multocida

A

True

370
Q

Haemorrhagic septicemia is mainly seen in pigs

A

False

371
Q

Edema can be seen in the case of hemorrhagic septicaemia

A

True

372
Q

Hemorrhagic septicemia cannot be prevented with vaccination

A

False

373
Q

Respiratory form of ovine pasteurellosis can be seen only in suckling lambs

A

False

374
Q

Leukotoxin produced Mannheimia haemolytica is responsible for ovine mastitis

A

True

375
Q

Acute systemic pasteurellosis is caused by Pasteurella multocida

A

False

376
Q

Lesions of ovine respiratory pasteurellosis are typically seen in the diaphragmatic lobe of the lungs

A

False

377
Q

Dermonecrotoxin of Pasteurella multocida causes inversible lesions in the nasal cavity of pigs

A

True

378
Q

Atrophy of the turbinate bones is a typical lesion of atrophic rhinitis

A

True

379
Q

Isolation of the causative agent from the nose confirm the diagnosis of atrophic rhinitis

A

False

380
Q

Day-old piglets have to be vaccinated in order to prevent atrophic rhinitis

A

False

381
Q

Lack of umbilical disinfection can lead to actinobacillosis in foals

A

True

382
Q

Clinical signs of the central nervous system are typical in the case of actinobacillosis of foals

A

False

383
Q

Wooden tongue is a typical clinical sign of equine actinobacillosis

A

False

384
Q

Young foals are regularly vaccinated in order to prevent actinobacillosis

A

False

385
Q

Glässer’s disease is generally seen in 1-2-month-old piglets

A

True

386
Q

Actinobacillus suis is the causative agent of Glässer’s disease

A

False

387
Q

Arthritis is a clinical sign of Glässer’s disease

A

True

388
Q

Meningitis is a clinical sign of Glässer’s disease

A

True

389
Q

Brucella suis is a zoonotic agent

A

True

390
Q

Brucella canis is stained red as a result of Köster-staining

A

False

391
Q

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

A

False

392
Q

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

A

True

393
Q

Pneumonia and nasal discharge are characteristic clinical findings in swine brucellosis

A

False

394
Q

Rev I. is a live vaccine strain of B. canis

A

False

395
Q

Dogs and cats can carry and shed different Brucella sp. without any clinical signs

A

True

396
Q

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

A

True

397
Q

Stock exchange is the only safe eradication method in case of swine brucellosis

A

True

398
Q

Swine brucellosis is an exotic disease in Europe, we can see this disease in South-East Asia only

A

False

399
Q

In swine brucellosis the results of serological tests can be used only for herd diagnosis, because the low sensitivity and specificity of these serological tests

A

True

400
Q

Scrotal dermatitis is a common clinical finding in canine brucellosis

A

True

401
Q

The habitat of saprophytic, facultative pathogenic Mycobacteria is the environment

A

True

402
Q

Saprophytic, facultative pathogenic Mycobacteria cannot colonize mammals

A

False

403
Q

Mycobacterium caprae can cause tuberculosis only in goats

A

False

404
Q

The resistance of Mycobacteria is very low

A

False

405
Q

Cough is a frequent sign of bovine tuberculosis

A

True

406
Q

Intestinal tuberculosis has no clinical signs in cattle

A

False

407
Q

Badgers can infect cattle with Mycobacterium bovis

A

True

408
Q

Vaccines are widely used to prevent bovine tuberculosis

A

False

409
Q

The tuberculin reaction is positive if the increase of the thickness of the skin fold is 4.1 mm

A

True

410
Q

If the positive tuberculin reaction is caused by facultative pathogenic mycobacteria the positivity will disappear after a few months

A

True

411
Q

Mycobacterium bovis cannot cause tuberculosis in pigs

A

False

412
Q

Mycobacterium bovis can infect cage birds

A

True

413
Q

Actinomyces bovis is the causative agent of wooden tongue, it generally attacks soft tissues

A

False

414
Q

Nocardia asteroides generally causes mastitis in cattle, which can be an iatrogenic infection

A

True

415
Q

Treatment is not allowed in the case of dermatophilosis, eradication of the disease is our primary aim

A

False

416
Q

Rhodococcus equi infection is a notifiable disease

A

False

417
Q

Enterotoxigenic E. coli strains cause coli septicemia in calves

A

False

418
Q

Coli septicemia of calves occurs in the first days of life

A

True

419
Q

Verotoxins are responsible for the clinical signs of coli septicemia of calves

A

False

420
Q

Severe watery diarrhea is a typical sign of coli septicemia of calves

A

False

421
Q

Edema disease occurs in pigs and calves

A

False

422
Q

Edema disease is caused by enteropathogenic E. coli strains

A

False

423
Q

Edema disease occurs generally 1-2 weeks after weaning

A

True

424
Q

Small arteries are damaged in the case of edema disease

A

True

425
Q

Salmonellosis does not occur in cattle in Europe anymore because of successful eradication

A

False

426
Q

Salmonellosis in calves typically occurs in 1-2-week-old calves

A

False

427
Q

Salmonellosis in calves is frequently caused by S. typhimurium

A

True

428
Q

Arthritis can be a clinical sign of bovine salmonellosis

A

True

429
Q

Abortion is a clinical sign of equine salmonellosis

A

True

430
Q

Foals are aborted in the febrile phase of salmonellosis

A

False

431
Q

Isolation of salmonellae from aborted foals confirm the diagnosis of salmonellosis

A

True

432
Q

Mares are regularly vaccination with vaccine containing Salmonella typhimurium

A

False

433
Q

Swine typhoid is caused by Salmonella typhisuis

A

True

434
Q

Salmonella typhisuis can infect ruminants and swine

A

False

435
Q

Swine typhoid occurs only in piglets between 2-5 months

A

False

436
Q

Certain lesions of swine typhoid can be seen in the large intestine

A

True

437
Q

Salmonella gallinarum is the causative agent of fowl paratyphoid

A

False

438
Q

Fowl paratyphoid cannot be seen in the European poultry flocks anymore

A

False

439
Q

Germinative infection happens in the case of fowl paratyphoid

A

True

440
Q

Lesions of fowl paratyphoid occur only in the intestinal tract

A

False

441
Q

Plague occurs in the United States

A

True

442
Q

Only humans are susceptible to the agent of plague

A

Flase

443
Q

Yersinia pseudotuberculosis causes frequently clinical signs in rodents

A

True

444
Q

Yersinia pseudotuberculosis can cause enteritis

A

True

445
Q

The causative agent of foot rot is Dichelobacter nodosus

A

True

446
Q

Dichelobacter nodosus can produce keratinase

A

True

447
Q

Foot rot has more severe clinical signs in goats than sheep

A

False

448
Q

Foot rot cannot be prevented with vaccination

A

False

449
Q

Hemorrhagic septicemia is endemic in several European countries

A

False

450
Q

Exhausting work can predispose to hemorrhagic septicemia

A

True

451
Q

Re-convalescent animals can carry the agent of hemorrhagic septicemia

A

True

452
Q

The lesions of hemorrhagic septicemia are caused by the exotoxin of the agent

A

False

453
Q

Leukotoxin is a virulence factor of Mannheimia haemolytica

A

True

454
Q

Salmonellosis can predispose cattle to pasteurellosis

A

False

455
Q

Transportation can predispose cattle to pasteurellosis

A

True

456
Q

Bovine pasteurellosis cannot be prevented with vaccination

A

False

457
Q

Fowl cholera is caused by Pasteurella multocida

A

True

458
Q

Fowl cholera occurs only in chicken

A

False

459
Q

Germinative infection is common in the case of fowl cholera

A

False

460
Q

Arthritis can be a clinical sign of fowl cholera

A

True

461
Q

Actinobacillus lignieresii can cause actinobacillosis in cattle

A

True

462
Q

Actinobacillosis is a fast, acute disease in cattle

A

False

463
Q

Wooden tongue is a clinical sign of bovine actinobacillosis

A

True

464
Q

Vaccination is the primary way of prevention of actinobacillosis in cattle

A

False

465
Q

Avibacterium paragallinarum is the causative agent of infectious coryza

A

True

466
Q

Germinative infection is important in the pathogenesis of infectious coryza

A

False

467
Q

Infectious coryza is mainly seen in 1-2-week-old chicken

A

False

468
Q

Sinusitis is a clinical sign of infectious coryza

A

True

469
Q

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

A

True

470
Q

Brucella abortus stains red as a result of Köster-staining

A

True

471
Q

Bovine brucellosis is a notifiable disease

A

True

472
Q

Brucella abortus can cause an abortion storm in a newly infected pregnant cattle herd

A

True

473
Q

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

A

True

474
Q

B. suis biotype 2 is widespread in wild swine population all over the world

A

True

475
Q

The most important clinical sign of canine brucellosis is abortion of pregnant bitches

A

True

476
Q

Swine brucellosis can be treated successfully with antibiotics

A

False

477
Q

In case of bovine abortion we must send only fetal fluid to the diagnostic laboratory, because is enough for the diagnosis

A

False

478
Q

In the ABR test we detect Brucella abortus bacteria in the cattle milk

A

False

479
Q

S19 vaccine is a live vaccine, which can cause abortion in pregnant cows

A

True

480
Q

Brucella suis is a zoonotic agent

A

True

Epidemiology (12 decks)

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