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Epi midterm 1 > Epi midterm 1-from the top part 1 > Flashcards

Epi midterm 1-from the top part 1 Flashcards

1
Q

Drinking water cannot transmit infective agents since it is hypoosmotic

A

false

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2
Q

In the case of iatrogenic infections, the infective agents are transmitted by the veterinarian.

A

true

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3
Q

Intra uterine infection does not occur since the placenta protects the fetus

A

false

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4
Q

In the case of cyclozoonosis arthropods are responsible for maintaining the infection.

A

false

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5
Q

An euryxen agent can infect several host species.

A

true

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6
Q

In the case of a local infection the site of entry and the lesions are at the same place.

A

true

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7
Q

The incubation time is the time between the appearance of the clinical signs and death of the animal.

A

false

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8
Q

When the clinical signs disappear, shedding the agent is finished.

A

false

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9
Q

In the case of an abortive infection no clinical signs will be seen.

A

true

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10
Q

In the case of latent infection only mild clinical signs will be seen.

A

false

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11
Q

Subunit vaccines contain only antigens of the agents.

A

true

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12
Q

Certain diseases can be eradicated with generation shift.

A

true

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13
Q

Canine adenovirus serotype-1 may cause encephalitis in certain carnivore hosts.

A

true

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14
Q

Dogs carry Canine adenovirus serotype-1 usually in the spleen.

A

false

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15
Q

Only inactivated vaccines are available against Infectious Canine Hepatitis infections.

A

false

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16
Q

Infertility and abortions are the most significant signs of Bovine adenovirus infections.

A

false

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17
Q

Avian adenoviruses spread both vertical and horizontal.

A

true

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18
Q

Adenoviruses may cause hydropericardium syndrome in chicken and in geese.

A

true

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19
Q

Egg Drop Syndrome usually appears in the beginning of the laying season.

A

false

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20
Q

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

A

true

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21
Q

Feline panleukopenia is present worldwide.

A

true

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22
Q

Feline panleukopenia may be caused by Canine parvoviruses.

A

true

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23
Q

Aleutian mink disease virus induces enteritis in older mink.

A

false

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24
Q

Inactivated vaccines are used against Aleutian mink disease.

A

false

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25
Q

The primary site of replication of the Derzsy ́s disease virus is the gut.

A

true

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26
Q

Infection below 5 weeks of age result in severe clinical signs of the Derzsy ́s disease.

A

true

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27
Q

Hemorrhagic enteritis and nephritis of geese is only prevalent in France.

A

false

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28
Q

Infection of day-old chickens with the Chicken Infectious Anemia virus leads to immune suppression.

A

true

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29
Q

Porcine circoviruses are responsible for a variety of clinical conditions.

A

true

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30
Q

Porcine circovirus replicates in the myocardium of the fetus.

A

true

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31
Q

Porcine circoviruses cannot be responsible for reproductive disorders.

A

false

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32
Q

Porcine circoviruses cause severe hemorrhagic diseases in pigs.

A

true

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33
Q

Herpesvirus infections frequently result in latent virus carry.

A

true

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34
Q

Herpesviruses are strong antigens; therefore, single vaccinations provide life-long
protection.

A

false

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35
Q

Antibodies against Infectious Bovine Rhinotracheitis Virus (IBRV) might be detected in the milk.

A

true

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36
Q

The most frequently used eradication strategy for IBRV is selection with the help of vaccines.

A

true

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37
Q

The Bovine Herpes Mammillitis virus causes lesions on the skin of the milker ́s, therefore, it is a zoonotic agent.

A

true

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38
Q

Goats are the reservoir hosts of the Malignant Catarrhal Fever virus.

A

false

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39
Q

Convalescent swine are life-long carriers and potential shedders of Aujeszky’s disease
virus.

A

true

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40
Q

Swine are immunized against the Aujeszky’s disease virus usually with gE-negative marker vaccines.

A

true

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41
Q

The Equid herpesvirus-1 may cause abortion storms in studs.

A

true

42
Q

Pregnant mares abort usually several weeks after Equid herpesvirus-1 infection.

A

true

43
Q

Abortion is a frequent complication of Coital Exanthema in mares.

A

false

44
Q

Equid herpesvirus-2 may cause Keratoconjunctivitis in foals.

A

true

45
Q

Feline Infectious Rhinotracheitis is characterized by inflammation of the upper respiratory tract.

A

true

46
Q

Crowded area, poor general condition and stress contribute significantly to the development of Feline Infectious Rhinotracheitis.

A

true

47
Q

Prolonged contact is usually needed for successful transmission of Feline Infectious Rhinotracheitis.

A

false

48
Q

Sneezing is typical for Feline Infectious Rhinotracheitis.

A

true

49
Q

Infectious Laryngotracheitis virus is typically transmitted by the germinative route.

A

false

50
Q

Infectious Laryngotracheitis virus replicates in the liver of cats.

A

false

51
Q

Conjunctivitis is frequently associated with Infectious Laryngotracheitis.

A

true

52
Q

Duck plague is only seen in day-old ducklings.

A

false

53
Q

Pigeon herpesvirus infection is frequently combined with adenovirus and circovirus infection.

A

true

54
Q

The Marek disease virus survives for a long time in the environment.

A

true

55
Q

Marek disease is caused by Turkey herpesviruses.

A

false

56
Q

Transient Marek paralysis may lead to visceral form.

A

true

57
Q

Parapoxvirus infections induce long-lasting immunity.

A

false

58
Q

Cowpox virus is frequently present in rodents.

A

true

59
Q

Contagious Pustular Dermatitis is often deadly at any age.

A

false

60
Q

Sheep and goat pox are endemic in Europe.

A

false

61
Q

Sheep pox is deadly for young susceptible lambs

A

true

62
Q

Lumpy Skin Disease virus is mostly transmitted by insects.

A

true

63
Q

Myxomatosis is mostly seasonal.

A

true

64
Q

There are no vaccines available against Myxomatosis.

A

false

65
Q

Fowl pox viruses cause generalized diseases in seals.

A

false

66
Q

In the case of aerogenic infection the agents are transmitted with air.

A

true

67
Q

If agents are passed from animals to humans, we speak about zoonosis.

A

true

68
Q

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

A

true

69
Q

Some infective agents can cause malformation of fetuses.

A

true

70
Q

Cellular immune response is very important in the case of viral diseases.

A

true

71
Q

In case of latent infections, the agents are continuously shed

A

false

72
Q

Pandemic diseases are spreading fast around the Earth.

A

true

73
Q

Selection (test and slaughter) is a method of eradiation of a disease.

A

true

74
Q

Canine adenovirus infects only dogs.

A

false

75
Q

Dogs may develop transient bilateral corneal opacity after Canine adenovirus infection.

A

true

76
Q

Bovine adenovirus-10 may cause hemorrhagic enteritis.

A

true

77
Q

Aviadenovirus infections of geese may cause lesions similar to the Derzsy ́s disease

A

true

78
Q

Seropositive cattle cannot be carriers of the Infections Rhinotracheitis virus.

A

false

79
Q

Bovine Herpes Mammillitis virus causes milkers’ nodules in humans

A

false

80
Q

Malignant Catarrhal Fever is usually lethal in cattle

A

true

81
Q

Dogs should be vaccinated against Aujeszky’s disease virus.

A

false

82
Q

Canine herpesvirus-1 may contribute the signs of the Kennel Cough Syndrome

A

true

83
Q

Canine herpesvirus may remain in latency for years in infected animals.

A

true

84
Q

Ulcerations of the oral mucosa are frequent signs of Feline Rhinotracheitis.

A

false

85
Q

Abortion is rare in rhinotracheitis infected pregnant cats.

A

false

86
Q

Infectious Laryngotracheitis virus replicates in the upper respiratory tract.

A

true

87
Q

Duck viral enteritis is usually mild, osmotic diarrhea.

A

false

88
Q

Duck plague infects exclusively domestic and wild ducks

A

false

89
Q

Pigeon herpesvirus infection causes feather developmental problems

A

false

90
Q

The usual way of infection by sheep or goat pox is inhalation

A

true

91
Q

Myxomatosis virus is only present in Australia.

A

false

92
Q

Myxomatosis is mostly seasonal.

A

true

93
Q

Humans can be infected by the following poxviruses

  • Cowpox.
  • Pseudo-cowpox.
  • Vaccinia
  • Monkey pox
A 
All 4 is true
Cowpox.
Pseudo-cowpox.
Vaccinia
Monkey pox
94
Q

The chronic form of Marek disease is characterized by neurological disorders.

A

true

95
Q

Transient paralysis by Marek disease usually ends in full recovery

A

false

96
Q

Marek disease usually starts as an airborne infection.

A

true

97
Q

Free Marek virus particles are shed from the feather follicles

A

true

98
Q

Porcine SMEDI can only be induced by parvoviruses.

A

false

99
Q

Porcine parvovirus-1 (PPV-1) is transmitted through the fecal-oral route

A

true

100
Q

PPV-1 induces diarrhea in suckling piglets

A

false

Epi midterm 1 (6 decks)

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