Orthoreoviruses

Question 1

Orthoreoviruses frequently cause tenosynovitis of horses

Answer 1

F

Question 2

Orthoreoviruses can cause pneumoenteritis in calves

Answer 2

T

Question 3

Orthoreoviruses can cause pneumoenteritis in cattle.

Answer 3

T

Question 4

Avian orthoreo –and rotaviruses can cause runting sunting syndrome in chickens.

Answer 4

T

Question 5

Avian orthoreoviruses cause mainly nephritis and encephalitis

Answer 5

F

Question 6

Infection of adult birds with orthoreoviruses usually remains subclinical

Answer 6

T

Question 7

Avian orthoreoviruses usually transmitted by germinative route

Answer 7

T

Question 8

Avian orthoreoviruses can cause damages in the bursa Fabricii

Answer 8

T

Question 9

Mammalian orthoreoviruses can cause pneumoenteritis only in suckling animals

Answer 9

F

Question 10

Orthoreovirus can cause tenosynovitis in pigs

Answer 10

F

Question 11

Avian orthoreoviruses usually cause disease in adult birds

Answer 11

F

Question 12

Tenosynovitis is one of the most frequent manifestations of avian orthoreovirus infections

Answer 12

T

Question 13

Trypsin-sensititive avian orthoreovirus usually cause respiratory disease in birds

Answer 13

T

Question 14

Yolk immunity does not influence the efficacy of vaccination against avian orthoreovirus

Answer 14

F

Question 15

Avian orthoreoviruses may cause necrotic foci in the visceral organs of birds

Answer 15

T

Question 16

Avian orthoreoviruses can cause inapparent infection in poultry

Answer 16

T

Question 17

Orthoreoviruses can be detected by haemagglutination test.

Answer 17

T

Question 18

Trypsin resistant strains of Avian orthoreoviruses frequently cause diarrhoea.

Answer 18

T

Question 19

Trypsin sensitive strains of avian orthoreoviruses frequently cause tenosynovitis

Answer 19

T

Question 20

Horses usually develop lethal hemorrhagic enteritis in Orthoreovirus infections

Answer 20

F

Question 21

Infection of adult birds with Orthoreoviruses usually remains subclinical

Answer 21

T

Question 22

Orthoreoviruses can cause encephalitis in cattle.

Answer 22

F

Question 23

Avian orthoreoviruses can cause inapparent infections in poultry.

Answer 23

T

Question 24

Avian orthoreoviruses can cause poult enteritis-mortality syndrome (PEMS)

Answer 24

T

Question 25

Infectious tenosynovitis can be prevented by vaccination.

Answer 25

T

Question 26

Avian orthoreoviruses infect only via inhalation and parenterally

Answer 26

F

Question 27

Avian orthoreoviruses only infect via PO infections

Answer 27

F

Question 28

All Avian orthoreoviruses can spread germinatively.

Answer 28

T

Question 29

Helicopter disease causes feather problems

Answer 29

T

Question 30

Orthoreovirus infections cause immunosuppression in birds

Answer 30

T

Question 31

Tenosynovitis is a frequent sign of Avian Orthoreovirus infection

Answer 31

T

Question 32

Orthoreovirus mainly infects younger animals.

Answer 32

T

Question 33

Orthoreovirus causes respiratory and GI disease

Answer 33

T

Question 34

Tenosynovitis is caused by only one Orthoreovirus

Answer 34

F

Question 35

Orthoreoviruses frequently cause tenosynovitis of horses.

Answer 35

F