Epi midterm from bottom part 5 Flashcards
1
Q
Hemorrhagic enteritis and nephritis virus replicates in the blood vessel endothelium
A
True
2
Q
Hemorrhagic enteritis and nephritis of geese is only prevalent in France
A
false
3
Q
Infection over 5 weeks of age results in severe clinical signs of the Derzsy´s disease
A
false
4
Q
The primary site of replication of the Derzsy´s disease virus is the gut
A
true
5
Q
Inactivated vaccines are used against Aleutian Mink Disease
A
false
6
Q
Aleutian Mink Disease virus induces enteritis in older mink
A
false
7
Q
Aleutian Mink Disease virus can infect ferrets
A
true
8
Q
Aleutian Mink Disease is characterized by type-1 hypersensitivity
A
false
9
Q
Vaccinations against Feline panleukopenia usually start at or after 2 months of age.
A
true
10
Q
Feline panleukopenia virus infection of dogs may cause acute diarrhea
A
false
11
Q
Feline panleukopenia may be caused by Canine parvoviruses
A
true
12
Q
Feline panleukopenia is present worldwide.
A
true
13
Q
Leukopenia is characteristic for successful CPV-2 infections
A
true
14
Q
Canine parvovirus is shed with the feces.
A
true
15
Q
Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes.
A
true
16
Q
Canine parvovirus infection of susceptible dogs results in high mortality
A
true
17
Q
Porcine parvoviruses are genetically uniform.
A
false
18
Q
PPV-1 is endemic in most pig herds
A
true
19
Q
Piglets of sows seroconverted by PPV-1 are maternally protected for months
A
true
20
Q
Porcine parvovirus (PPV-1) vaccinations start at or after 6 months of age
A
true
21
Q
Porcine circoviruses cannot be responsible for reproductive disorders
A
false
22
Q
PDNS can only be caused by Circoviruses
A
false
23
Q
Porcine circovirus-2 replicates in the myocardium of the fetus
A
true
24
Q
Porcine circoviruses are responsible for a variety of clinical conditions
A
true
25
Porcine circovirus-1 may damage the fetus
false
26
Infection of day-old chickens with the chicken anemia virus leads to immune suppression
true
27
Canine circoviruses are present worldwide
false
28
Immune suppression is characteristic to circovirus infections.
true
29
Inactivated vaccines are used against pigeon circovirus infections
false
30
Beak and feather disease lesions are sometimes obvious only after molting
true
31
Avian circovirus infections cause high morbidity and low mortality
true
32
Chicken Infectious Anemia virus is transmitted both horizontally and vertically
false
33
```
The following pox viruses can cause human infections:
a parapoxvirus
b contagious pustular dermatitis virus
c swine pox virus
d myxomatosis virus
```
a and b are correct (parapox and contagious pustular dermatitis)
34
Myxomatosis is mostly seasonal.
true
35
Parapoxvirus infections induce long lasting immunity
false
36
Marek´s disease virus is shed with the feces in high titers
false
37
Turkey herpesvirus can be used as vaccine against Marek´s disease.
true
38
The acute form of Marek´s disease is characterized by lymphoid cell proliferation
true
39
Marek´s disease is usually seen in chickens below 2 weeks of age
false
40
Pigeon herpesvirus kills mostly day-old pigeons.
false
41
Duck Plague Virus may be shed lifelong by animals recovered from the disease
true
42
Antibiotic treatment is the most effective control method for Duck Viral Enteritis
false
43
Infectious Laryngotracheitis is most frequently seen in day-old turkey
false
44
Conjunctivitis is a frequent sign of Infectious Laryngotracheitis of chickens
true
45
Felid herpesvirus-1 is moderately contagious: spreads slowly in cat populations
false
46
Herpesvirus is frequently present in kennel cough.
true
47
In utero infections with Canid herpesvirus may result in abortion
true
48
Equid herpesvirus-2 and 5 cause diarrhea and hepatitis in foals.
false
49
Wild boars are not susceptible to the Aujeszky's disease virus
false
50
Goats are the reservoir hosts of the Malignant Catarrhal Fever Virus
false
51
Attenuated vaccines are used in pregnant cows against Infectious Bovine Rhinotracheitis
virus
false
52
Adenoviruses may cause hepatitis in chicken.
true
53
Cholelithiasis is frequently seen in Ovine adenovirus-4 infection of rams.
false
54
Canine adenovirus-2 causes upper respiratory tract infection in dogs.
true
55
Urinary bladder wall edema is a typical lesion in dogs after Canine adenovirus-1 infection.
false
56
Mortality show what proportion of the diseased animals die
false
57
Only animals showing clinical signs can shed infective agents
false
58
Fetuses have no active immune response
false
59
Gastric juice can protect the host from infections
true
60
Virulence of a bacterium or virus can be changed spontaneously
true
61
The way of the infection (entrance of the agents) can influence its outcome.
true
62
Intrauterine infection does not occur in mammals since the fetus is protected.
false
63
Iatrogenic infection is when veterinarians transmit the infection from animals to animals.
true
64
Attenuated vaccines are forbidden to be used against Fowlpox.
false
65
The diphteric (wet) form of Fowlpox causes lesions on the mucous membranes
true
66
Virulent strains of the Myxoma virus are persisting in wild rabbits.
true
67
Tumour formation in the parenchymal organs is typical of Myxomatosis.
false
68
Fowlpox virus causes only transient skin lesions in chicken.
true
69
Myxomatosis virus is zoonotic.
false
70
Arthropods play an important role in the transmission of Lumpy Skin Disease virus.
true
71
Arthropods play an important role in the transmission of Sheep pox virus
false
72
Ruminants are susceptible to the lumpy skin disease virus
true
73
Swine pox virus can cause respiratory signs and abortion
false
74
Vaccination against Papular Stomatitis virus provides life-long protection
false
75
Contagious pustular dermatitis (Orf) virus causes skin lesions in pigs
false
76
Bovine Papular Stomatitis can cause skin lesions in humans.
true
77
In cattle Pseudopox lesions are usually mild and transient.
true
78
In cattle the Cowpox infection is mostly fatal
false
79
Serological cross-protectivity exist between certain Poxvirus species but only within
genus.
true
80
The Marek´s disease virus causes immunosuppression.
true
81
Pigeon herpesvirus is characterised by focal necrosis in the liver in pigeons
true
82
```
Duck plague (viral enteritis) can´t cause high mortality without secondary bacterial
infections.
```
false
83
Wild ducks may persistently be infected with duck plague (duck enteritis) virus
true
84
Chicken above 6 weeks of age are not susceptible to Infectious Laryngotracheitis virus
false
85
The Infectious Laryngotracheitis causes pseudomembrane formation in the oesophagus
false
86
Feline rhinotracheitis can cause foetal developmental anomalies in pregnant cats.
true
87
Canid herpesvirus infection can be cause blue eye disease
false
88
Equid herpesvirus-2 may cause Coital Exanthemas in horse
false
89
For immunisation against Equine rhinopneumonitis virus mostly marker vaccines are used
false
90
Pregnant mares abort usually in the acute phase of Equine rhinopneumonitis
false
91
Both equid herpesvirus 1 and 4 can cause abortion
true
92
Inclusion Body Rhinitis is predisposing to fatal respiratory disease in pigs
false
93
Dogs should be vaccinated against the Aujeszky´s disease
false
94
Aujeszky´s disease virus can be latently carried by pigs in the nervous system.
true
95
The Aujeszky´s disease virus causes pneumonia in ruminants and carnivores.
false
96
Bovine Herpes Mammillitis virus can cause mastitis in cows
false
97
Infectious Bovine Rhinotracheitis virus can cause fatal encephalitis in calves.
true
98
Infectious Bovine Rhinotracheitis virus is transmitted by arthropods
false
99
Herpesviruses can cause latent, persisting infections.
true
100
The Egg Drop Syndrome virus causes severe inflammation of the ovaries in hens.
false
101
Anaemia and increased mortality are signs of Chicken Inclusion Body Hepatitis.
true
102
Adenoviral pneumoenteritis is frequently followed by bacterial secondary infections in
cattle.
true
103
Adenoviral pneumoenteritis is rarely fatal in calves and lambs.
true
104
Canine laryngotracheitis virus can cause interstitial pneumonia following viraemia.
false
105
Puppies between the age of 3 and 6 months are the most sensitive to canine hepatitis.
true
106
Canine adenovirus-1 may cause fatal encephalitis in foxes.
true
107
Atadenoviruses infect only mammalian hosts
false
108
Derzsy disease is caused by Polyomavirus.
false
109
Polyomavirus infects parrots
true
110
There is no viraemia in papillomavirus infection
true
111
Papillomavirus needs keratin for the replication
true
112
Aleutian mink disease is type III hypersensitivity
true
113
There is a vaccine available for Aleutian Mink Disease.
false
114
Enteritis is a clinical sign of Aleutian Mink Disease
false
115
Aleutian Mink Disease is caused by Protoparvovirus, like Cat parvovirus
false
116
```
If a 100 day-old swine foetus is infected with Parvovirus, the clinical signs can be:
a respiratory disease
b weak piglets
c myclonia congenital
d dermatitis
```
b and c are correct
117
```
Pathological lesion(s) of PMWS is/are
a enlarged lymph nodes
b multifocal, red skin lesions
c ataxia
d pneumonia
```
a and d are true
118
The Circovirus:
a Reproduction is continuous in the dividing cells.
b Is a good antigen.
c Causes generalized lymphoid depletion.
d Only causes the depletion of B-lymphocyte
a, b and c are true
119
Generation shift is a frequently used eradication method in swine.
false
120
Early weaning is necessary if generation shift method of eradication is used
true
121
If eradication is made by selection method, vaccination is forbidden
false
122
In the case of selection method of eradication the infected animals are taken out of the
herd.
true
123
Live vaccines are dangerous, they are not on the market any more
false
124
Live vaccines are less effective than the inactivated ones
false
125
Live vaccines can contain attenuated strains.
true
126
Live vaccines can contain aviruent strains.
true
127
Some agents can spread along the nerves.
true
128
In the case of generalised infections the placenta prevents the infection of the foetus.
false
129
In the case of generalised infections the agent is generally spreading with blood.
true
130
In the case of local infections the lesions can be seen at the site of entry.
true
131
In the case of iatrogenic infection the agent is transmitted by humans
true
132
Infective agents cannot survive in the soil, so soil cannot be a source of infection
false
133
In the case of aerogenic infection the agent is transmitted by the air.
true
134
In the case of direct infection the tissues of the infected and the susceptible animal get in
contact
true
