Midterm 2 part 1 chapter IV

Question 1

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

Answer 1

false

Question 2

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

Answer 2

false

Question 3

Spasmodical paddling is a frequent clinical sign of duck hepatitis

Answer 3

true

Question 4

Orbiviruses spread by droplet (aerogen) infection

Answer 4

false

Question 5

Bluetongue disease occurs only in Africa

Answer 5

false

Question 6

Bluetongue is named after the cyanosis of the tongue

Answer 6

true

Question 7

Bluetongue is named after the pseudo-melanosis of the tongue

Answer 7

false

Question 8

Bluetongue infects also horse and dog

Answer 8

false

Question 9

Bluetongue is a fetopathic

Answer 9

true

Question 10

Ibaraki disease virus immunizes against bluetongue

Answer 10

false

Question 11

Horse encephalosis appeared several times in Europe between 2006 and 2009

Answer 11

false

Question 12

African horse sickness is spread by ticks

Answer 12

false

Question 13

African horse sickness is zoonotic

Answer 13

false

Question 14

African horse sickness is prevented in Africa by combined vaccines

Answer 14

true

Question 15

Horse encephalosis is endemic in Africa

Answer 15

true

Question 16

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

Answer 16

true

Question 17

Rotaviruses cause mainly respiratory signs in cattle

Answer 17

false

Question 18

Orthoreoviruses can cause pneumoenteritis in cattle

Answer 18

true

Question 19

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

Answer 19

true

Question 20

American horse encephalomyelitis viruses represent several types and subtypes

Answer 20

true

Question 21

Vectors of American horse encephalomyelitis Togaviruses are mosquitoes

Answer 21

true

Question 22

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

Answer 22

true

Question 23

Vaccines cannot be used to prevent Togaviruses caused encephalomyelitis of horse

Answer 23

false

Question 24

Tick-borne encephalomyelitis most frequently is seen clinically in ruminants

Answer 24

false

Question 25

Occasionally tick-borne encephalomyelitis virus can be transmitted to humans via consuming raw milk

Answer 25

true

Question 26

Tick-borne encephalomyelitis occurs seasonally

Answer 26

true

Question 27

For humans inactivated tick-borne encephalomyelitis virus vaccines are also available

Answer 27

true

Question 28

West Nile fever occurs worldwide

Answer 28

true

Question 29

Vectors of West Nile fever virus are different mosquito species

Answer 29

true

Question 30

The host range of West Nile virus is very wide

Answer 30

true

Question 31

Humans are not susceptible to West Nile disease virus

Answer 31

false

Question 32

BVD virus exists in several serotypes

Answer 32

false

Question 33

BVD infection of pregnant cows can result in delivery of immunotolerant persistently infected calves

Answer 33

true

Question 34

Bulls can shed BVD virus for long time in semen, without showing any clinical signs

Answer 34

true

Question 35

Both attenuated live and inactivated vaccines are used in eradication of BVD

Answer 35

true

Question 36

Acute classical swine fever can cause hemorrhagic pneumonia

Answer 36

true

Question 37

Classical swine fever virus doesn't induce neutralizing antibody production

Answer 37

false

Question 38

Classical swine fever virus is inactivated in chilled meat at -20*C

Answer 38

false

Question 39

Classical swine fever virus can cause immunotolerance in swine

Answer 39

true

Question 40

Classical swine fever virus is immunosuppressive

Answer 40

true

Question 41

Only DIVA vaccines should be used to prevent classical swine fever in swine stocks

Answer 41

false

Question 42

Classical swine fever virus causes lympho-histiocytic encephalitis in pigs

Answer 42

true

Question 43

Classical swine fever virus causes lympho-histiocytic encephalitis in carnivores

Answer 43

false

Question 44

Rift-valley fever caused human epidemics in Africa

Answer 44

true

Question 45

Ticks are reservoirs and vectors of the Schmallenberg virus

Answer 45

false

Question 46

Schmallenberg virus was transported to Europe from South-America

Answer 46

false

Question 47

Nairobi sheep disease can cause hemorrhagic enteritis among sheep

Answer 47

true

Question 48

African swine fever leads to abortion regardless of the virulence of the infecting virus

Answer 48

true

Question 49

Wild boars may carry African Swine Fever virus as chronically infected animals

Answer 49

true

Question 50

The main tool against African Swine Fever is vaccination

Answer 50

false

Question 51

Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs

Answer 51

true

Question 52

African Swine Fever virus infects every cloven-hoofed animal

Answer 52

false

Question 53

Acute African Swine Fever is characterized by hemorrhages

Answer 53

true

Question 54

African Swine Fever does not occur in Europe

Answer 54

false

Question 55

Vaccination is used for prevention of African Swine Fever

Answer 55

false

Question 56

African Swine Fever cause skin lesions in swine

Answer 56

true

Question 57

African Swine Fever is caused by arbovirus

Answer 57

true

Question 58

Vaccines may be used for the control of African Swine Fever

Answer 58

false

Question 59

African Swine Fever is endemic in Central Europe

Answer 59

false

Question 60

African Swine Fever virus infects pigs and ruminants

Answer 60

false

Question 61

African Swine Fever virus can replicate in certain ticks

Answer 61

true

Question 62

African Swine Fever is caused by any arbovirus

Answer 62

false

Question 63

African Swine Fever is a notifiable disease

Answer 63

true

Question 64

Virus neutralization is the most important tool for African Swine Fever diagnosis

Answer 64

false

Question 65

Pregnant sows abort in case of African Swine Fever disease cases

Answer 65

true

Question 66

The chronic form of African Swine Fever is similar to other immune complex disorders

Answer 66

true

Question 67

African Swine Fever infection of humans leads to cold like symptoms

Answer 67

false

Question 68

African Swine Fever virus may cause chronic infections in pigs

Answer 68

true

Question 69

African Swine Fever may cause a chronic disease in wild boars

Answer 69

true

Question 70

African swine fever virus infects pigs and ruminants

Answer 70

false

Question 71

African swine fever virus can replicate in certain soft ticks

Answer 71

true