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Epidemiology > Epi midterm pastQ from bottom part 4 > Flashcards

Epi midterm pastQ from bottom part 4 Flashcards

1
Q

Aviadenoviruses frequently cause encephalitis in chicken.

A

false

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2
Q

The pathology lesions of Goose Hepatitis-hydropericardium syndrome and Derzsy’s
disease are similar to each other

A

true

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3
Q

The Egg drop syndrome virus may cause respiratory disease in young.

A

true

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4
Q

Equine adenovirus causes hemorrhagic enteritis in foals

A

true

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5
Q

Cholelithiasis is frequently seen in Ovine adenovirus-4 infections of rams.

A

false

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6
Q

Bovine adenovirus serotype-10 may cause hemorrhage enteritis in cattle.

A

true

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7
Q

Canine adenovirus serotype-2 causes central nervous disease in dog pups.

A

false

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8
Q

Urinary bladder wall edema is a typical lesion in dogs after Canine adenovirus infection

A

false

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9
Q

If deletion vaccines are used, vaccinated and infected animals can be differentiated.

A

true

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10
Q

Live vaccines are dangerous, they are not in use any more.

A

false

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11
Q

Colostrum is not important in protection of calves, since the antibodies can go through the
placenta.

A

false

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12
Q

Antibiotics are used for the treatment of some viral diseases to prevent secondary
infections.

A

true

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13
Q

Intra uterine infection can result in embryonic death in the case of some diseases.

A

true

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14
Q

Intra uterine infection can result immune tolerance in the case of some diseases.

A

true

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15
Q

Newborn animals have no immune reactions

A

false

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16
Q

Certain mycotoxins have immune suppressive effect.

A

true

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17
Q

The virulence is a stabile characteristic of a bacterium.

A

false

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18
Q

Virulence of an agent can be characterized with its LD50 value

A

true

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19
Q

Facultative pathogenic bacteria cause disease in case of predisposing factors.

A

true

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20
Q

A minimum amount of bacteria or viruses is needed to successful infection

A

true

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21
Q

Sheep and goat pox are endemic in Africa.

A

true

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22
Q

Strong crustation is frequent in Contagious Pustular Dermatitis.

A

true

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23
Q

Vaccines induce lifelong immunity against Contagious Pustular Dermatitis

A

false

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24
Q

Bovine Papular Stomatitis is caused by a Parapoxvirus.

A

true

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25
Q

Pseudo-cowpox infections may be present in humans.

A

true

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26
Q

Pseudo-cowpox virus only infects cloven-hoofed animals.

A

false

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27
Q

Cowpox virus may cause a generalized infection in elephants.

A

true

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28
Q

Cowpox virus is most frequently present in rodents.

A

true

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29
Q

Both serotypes of the Marek´s virus cause disease in geese.

A

false

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30
Q

Turkey herpesvirus can be used for vaccination against Marek´s disease

A

true

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31
Q

North America is free of Marek´s disease.

A

false

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32
Q

Pigeon herpesvirus infections usually result a hemorrhagic deadly disease

A

false

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33
Q

Pigeon herpesvirus kills mostly day-old pigeons.

A

false

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34
Q

Duck Plague virus may be shed lifelong by animals recovered from the disease

A

true

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35
Q

Duck Plague virus damages blood vessel endothelium

A

true

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36
Q

Infectious Laryngotracheitis is most frequently seen in day-old chickens.

A

false

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37
Q

Infectious Laryngotracheitis virus strains may differ in virulence.

A

true

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38
Q

Diarrhea is frequent in Infectious Laryngotracheitis of chickens

A

false

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39
Q

Feline Infectious Rhinotracheitis often results high mortality in susceptible young kittens

A

true

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40
Q

Sneezing is a typical sign of Feline Infectious Rhinotracheitis

A

true

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41
Q

Clinical signs of Feline Infectious Rhinotracheitis are similar to those of Calicivirus
infections.

A

true

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42
Q

Herpesvirus is frequently present in kennel cough.

A

true

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43
Q

Canine herpesvirus infection frequently appears with cold-like symptoms.

A

true

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44
Q

Herpesvirus infection of adult dogs may result in reproductive disorders

A

true

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45
Q

After EHV-1 infection pregnant mares abort in the acute, febrile stage

A

false

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46
Q

Malignant Catarrhal Fever may develop is swine too.

A

true

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47
Q

Infectious Bovine Vulvovaginitis virus strains cause abortions and fetal deformities.

A

false

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48
Q

In swine the most serious clinical signs of Aujeszky’s disease are usually seen in piglets

A

true

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49
Q

Herpesvirus infections frequently result in latent virus carry.

A

true

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50
Q

The Egg Drop Syndrome virus damages the oviduct of day-old chicken.

A

false

51
Q

The Turkey Hemorrhagic Enteritis and the Marble Spleen Disease are caused by the same
virus.

A

true

52
Q

No long-term carrier stage is seen in Canine adenovirus serotype-1 infections

A

false

53
Q

Latent infection is common in the case of Gram-positive bacteria.

A

false

54
Q

Mycotoxins can be immunosuppressive

A

true

55
Q

Species related resistance means that certain agents cannot cause infection in resistant host
species.

A

true

56
Q

The virulence factors help the agents in causing disease

A

true

57
Q

Virulence of a bacterium or virus can be changed.

A

true

58
Q

In case of a secondary infection the agent complicates a primary infection.

A

true

59
Q

Germinative infection is common in mammals

A

false

60
Q

Direct infection happens when infected animals pass the infection with water.

A

false

61
Q

Porcine circoviruses are present worldwide.

A

true

62
Q

Porcine circoviruses replicate in the heart of the fetus.

A

true

63
Q

Hemorrhagic nephritis and enteritis of geese may spread both horizontally and vertically.

A

true

64
Q

Papilloma infections of the skin usually have a cauliflower appearance.

A

true

65
Q

Derzsy´s disease virus does not infect the egg.

A

false

66
Q

Derzsy´s disease virus causes enteritis in growing geese.

A

true

67
Q

The Aleutian Mink Disease is usually acute.

A

false

68
Q

Europe is free of Feline panleukopenia

A

false

69
Q

Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease.

A

false

70
Q

Older dogs are usually seropositive for Canine parvovirus.

A

true

71
Q

Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses.

A

true

72
Q

PPV-1 vaccination must be started at 4-6 weeks of age.

A

false

73
Q 
Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the
fetus.
A

true

74
Q

Porcine parvoviruses are genetically uniform

A

false

75
Q

Heterologous viruses of Avian pox frequently cause generalization

A

false

76
Q

Avian pox viruses are species specific

A

false

77
Q

The atypical form of Myxomatosis frequently appears with respiratory signs.

A

true

78
Q

Myxomatosis virus spread out to the world from China

A

false

79
Q

Myxomatosis may result in over 90% mortality, in susceptible animals.

A

true

80
Q

Swine pox is frequently generalized in adult pigs

A

false

81
Q

Generalization is frequent in lumpy skin disease virus infections.

A

false

82
Q

Lumpy Skin Disease is caused by Parapoxviruses.

A

false

83
Q

Sheep pox results high mortality in susceptible lambs.

A

true

84
Q

Sheep pox is a generalized disease with fever

A

true

85
Q

Several levels of virulence can be seen in Myxomatosis strains in Europe

A

true

86
Q

Two Myxomatosis serotypes are known

A

true

87
Q

The nodular form of Myxomatosis is caused by strains of lower virulence.

A

true

88
Q

Myxomatosis is mostly seasonal

A

true

89
Q

Only pigs are susceptible to Swine pox

A

true

90
Q

Lumpy Skin Disease results high mortality

A

false

91
Q

Sheep and goat pox are transmitted by infected animals and fomites.

A

true

92
Q

Sheep pox virus infects mostly through inhalation

A

true

93
Q

Inactivated vaccines are used against Contagious Pustular Dermatitis

A

false

94
Q

Bovine Papular Stomatitis is frequently seasonal

A

true

95
Q

Recovering from Pseudo-cowpox leaves/results in lifelong immunity.

A

false

96
Q

Recovering from Cowpox leaves lifelong immunity.

A

true

97
Q

The neurological form of Marek´s disease leads to significant liver degeneration.

A

false

98
Q

The incubation time of acute Marek´s disease is 1-2 days

A

false

99
Q

The highly virulent strains of Marek´s disease may cause tumors in turkey.

A

true

100
Q

The neurological form of Marek´s disease has a mass appearance

A

false

101
Q

Beak deformity is a typical sign of Duck Plague

A

false

102
Q

Duck plague infects exclusively domestic and wild ducks

A

false

103
Q

Infectious Laryngotracheitis virus is present worldwide

A

true

104
Q

Infectious Laryngotracheitis virus replicates in the upper respiratory tract

A

true

105
Q

Feline Infectious Rhinotracheitis virus is transmitted mainly through the air

A

false

106
Q

Abortion is rare in Rhinotracheitis infected pregnant cats

A

false

107
Q

Canine herpesvirus may remain in latency for years in infected animals

A

true

108
Q

Decreased body temperature has a negative effect on Canine herpesvirus infected animals.

A

true

109
Q

A single vaccination of a horse against EHV-1 induces protection for several years.

A

false

110
Q

Rats are reservoir hosts of the Aujeszky’s disease virus

A

false

111
Q

The Malignant Catarrhal Fever is caused by Bovine herpesvirus-2.

A

false

112
Q

The IBR virus causes nephritis in calves usually in the age between one and six months

A

false

113
Q

In young geese, respiratory disease may be caused by the EDS virus

A

true

114
Q

Insufficient colostrum uptake increases the severity of Adenovirus-induced diseases in
Calves.

A

true

115
Q

There is serological cross-protection between Canine adenovirus type-1 and 2.

A

true

116
Q

Infectious Canine Hepatitis is usually seen in elderly dogs.

A

false

117
Q

Generation shift is a method of eradication of a disease

A

true

118
Q

Presence of maternal antibodies can inhibit the efficacy of vaccinations

A

true

119
Q

Following DIVA principles vaccinated and infected animals can be differentiated.

A

true

120
Q

Live vaccines are not used nowadays, because they are dangerous.

A

false

121
Q

“All-in-all-out” is a general rule of prevention of infectious diseases

A

true

122
Q

Lethality shows the ratio of dead animals and the total stock.

A

false

123
Q

In case of inapparent infections no clinical signs can be seen

A

true

124
Q

Fetuses do not have immunological response.

A

false

Epidemiology (6 decks)

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