Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

EPI > Midterm 1 > Flashcards

Midterm 1 Flashcards

1
Q

Drinking water cannot transmit infective agents since it is hypoosmotic

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An euryxen agent can infect several host species.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

When the clinical signs disappear, shedding the agent is finished

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Subunit vaccines contain only antigens of the agents.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Certain diseases can be eradicated with generation shift

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Only inactivated vaccines are available against Infectious Canine Hepatitis infections.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Avian adenoviruses spread both vertical and horizontal.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Adenoviruses may cause hydropericardium syndrome in chicken and in geese.

A

Ture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Feline panleukopenia is present worldwide.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Feline panleukopenia may be caused by Canine parvoviruses.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Aleutian mink disease virus induces enteritis in older mink.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Inactivated vaccines are used agains aleutian mink disease

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Porcine circoviruses are responsible for a variety of clinical conditions.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Porcine circovirus replicates in the myocardium of the fetus.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Porcine circoviruses cannot be responsible for reproductive disorders.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Porcine circoviruses cause severe hemorrhagic diseases in pigs.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Herpesvirus infections frequently result in latent virus carry

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Abortion is a frequent complication of Coital Exanthema in mares.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Equid herpesvirus-2 may cause Keratoconjunctivitis in foals.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

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

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

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

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Sneezing is typical for Feline Infectious Rhinotracheitis

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Infectious Laryngotracheitis virus is typically transmitted by the germinative route.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Infectious Laryngotracheitis virus replicates in the liver of cats.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Conjunctivitis is frequently associated with Infectious Laryngotracheitis.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

True

80
Q

Malignant Catarrhal Fever is usually lethal in cattle.

A

True

81
Q

Dogs should be vaccinated against Aujeszky’s diseas

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

✅ 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

101
Q

Avian pox viruses are frequently transmitted by insects.

A

True

102
Q

The mucosal form of Fowl pox is bening

A

False

103
Q

Neurological disorders are frequent in Porcine parvovirus infections.

A

False

104
Q

The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine.

A

True

105
Q

Canine parvoviruses are shed in high concentrations with the feces.

A

True

106
Q

Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats

A

True

107
Q

Feline panleukopenia viruses may infect dogs.

A

False

108
Q

Mink parvovirus enteritis is characterized by fever and high mortality.

A

True

109
Q

Live vaccines are used against Aleutian Mink Disease.

A

False

110
Q

Ferrets can also be infected by the Aleutian Mink Disease virus

A

True

111
Q

Derzsy´s disease virus can cross into the egg.

A

True

112
Q

Derzsy´s disease may occur both in geese and Muscovy chucks.

A

True

113
Q

Hemorrhagic nephritis and enteritis of geese is caused by herpes viruses.

A

False

114
Q

Hemorrhagic nephritis and enteritis of geese is present worldwide

A

True

115
Q

Porcine circoviruses are genetically and antigenically uniform.

A

False

116
Q

Porcine circoviruses may cause a variety of diseases.

A

True

117
Q

Infection of day-old chickens with Chicken Anemia Virus leads to immune suppression.

A

True

118
Q

Avian circovirus infections result high morbidity and low mortality.

A

True

119
Q

Pigeon circoviruses are antigenically uniform.

A

False

120
Q

Pigeon circoviruses frequently appear in diseases together with other viruses and bacteria

A

True

121
Q

Germinative infection is frequent in mammals, it will result in malformation of the fetuses.

A

False

122
Q

Galactogen infection cannot happen when the animals receive colostrum, since the antibodies in the colostrum prevent it.

A

False

123
Q

In the case of horizontal infection animals in the same group infect each other.

A

True

124
Q

Intra uterine infection can occur in pregnant animals

A

True

125
Q

Pathogenicity means the ability of the agent to cause disease.

A

True

126
Q

Virulence means the level of pathogenicity.

A

True

127
Q

The amount of the agent does not influence the outcome of the infection, since it can replicate in the host.

A

False

128
Q

In the case of optimal way of infection the least amount of agent can cause disease

A

True

EPI (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions