Midterm 2 part 1 chapter IV Flashcards

1
Q

Germinative infection is a common way of infection with duck hepatitis A virus

A

false

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2
Q

Clinical signs of duck hepatitis can be seen in all age groups

A

false

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3
Q

Spasmodical paddling is a frequent clinical sign of duck hepatitis

A

true

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4
Q

Orbiviruses spread by droplet (aerogen) infection

A

false

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5
Q

Bluetongue disease occurs only in Africa

A

false

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6
Q

Bluetongue is named after the cyanosis of the tongue

A

true

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7
Q

Bluetongue is named after the pseudo-melanosis of the tongue

A

false

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8
Q

Bluetongue infects also horse and dog

A

false

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9
Q

Bluetongue is a fetopathic

A

true

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10
Q

Ibaraki disease virus immunizes against bluetongue

A

false

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11
Q

Horse encephalosis appeared several times in Europe between 2006 and 2009

A

false

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12
Q

African horse sickness is spread by ticks

A

false

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13
Q

African horse sickness is zoonotic

A

false

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14
Q

African horse sickness is prevented in Africa by combined vaccines

A

true

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15
Q

Horse encephalosis is endemic in Africa

A

true

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16
Q

The subacute form of African horse sickness is causing edema formation and heart failure

A

true

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17
Q

Rotaviruses cause mainly respiratory signs in cattle

A

false

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18
Q

Orthoreoviruses can cause pneumoenteritis in cattle

A

true

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19
Q

Avian orthoreo –and rotaviruses can cause runting stunting syndrom in chickens

A

true

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20
Q

American horse encephalomyelitis viruses represent several types and subtypes

A

true

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21
Q

Vectors of American horse encephalomyelitis Togaviruses are mosquitoes

A

true

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22
Q

Main means of control of American horse encephalomyelitis are mosquito control and vaccines

A

true

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23
Q

Vaccines cannot be used to prevent Togaviruses caused encephalomyelitis of horse

A

false

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24
Q

Tick-borne encephalomyelitis most frequently is seen clinically in ruminants

A

false

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25
Occasionally tick-borne encephalomyelitis virus can be transmitted to humans via consuming raw milk
true
26
Tick-borne encephalomyelitis occurs seasonally
true
27
For humans inactivated tick-borne encephalomyelitis virus vaccines are also available
true
28
West Nile fever occurs worldwide
true
29
Vectors of West Nile fever virus are different mosquito species
true
30
The host range of West Nile virus is very wide
true
31
Humans are not susceptible to West Nile disease virus
false
32
BVD virus exists in several serotypes
false
33
BVD infection of pregnant cows can result in delivery of immunotolerant persistently infected calves
true
34
Bulls can shed BVD virus for long time in semen, without showing any clinical signs
true
35
Both attenuated live and inactivated vaccines are used in eradication of BVD
true
36
Acute classical swine fever can cause hemorrhagic pneumonia
true
37
Classical swine fever virus doesn't induce neutralizing antibody production
false
38
Classical swine fever virus is inactivated in chilled meat at -20*C
false
39
Classical swine fever virus can cause immunotolerance in swine
true
40
Classical swine fever virus is immunosuppressive
true
41
Only DIVA vaccines should be used to prevent classical swine fever in swine stocks
false
42
Classical swine fever virus causes lympho-histiocytic encephalitis in pigs
true
43
Classical swine fever virus causes lympho-histiocytic encephalitis in carnivores
false
44
Rift-valley fever caused human epidemics in Africa
true
45
Ticks are reservoirs and vectors of the Schmallenberg virus
false
46
Schmallenberg virus was transported to Europe from South-America
false
47
Nairobi sheep disease can cause hemorrhagic enteritis among sheep
true
48
African swine fever leads to abortion regardless of the virulence of the infecting virus
true
49
Wild boars may carry African Swine Fever virus as chronically infected animals
true
50
The main tool against African Swine Fever is vaccination
false
51
Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs
true
52
African Swine Fever virus infects every cloven-hoofed animal
false
53
Acute African Swine Fever is characterized by hemorrhages
true
54
African Swine Fever does not occur in Europe
false
55
Vaccination is used for prevention of African Swine Fever
false
56
African Swine Fever cause skin lesions in swine
true
57
African Swine Fever is caused by arbovirus
true
58
Vaccines may be used for the control of African Swine Fever
false
59
African Swine Fever is endemic in Central Europe
false
60
African Swine Fever virus infects pigs and ruminants
false
61
African Swine Fever virus can replicate in certain ticks
true
62
African Swine Fever is caused by any arbovirus
false
63
African Swine Fever is a notifiable disease
true
64
Virus neutralization is the most important tool for African Swine Fever diagnosis
false
65
Pregnant sows abort in case of African Swine Fever disease cases
true
66
The chronic form of African Swine Fever is similar to other immune complex disorders
true
67
African Swine Fever infection of humans leads to cold like symptoms
false
68
African Swine Fever virus may cause chronic infections in pigs
true
69
African Swine Fever may cause a chronic disease in wild boars
true
70
African swine fever virus infects pigs and ruminants
false
71
African swine fever virus can replicate in certain soft ticks
true