Epi midterm 1-from the top part 2

Question 1

Avian pox viruses are frequently transmitted by insects

Answer 1

true

Question 2

The mucosal form of Fowl pox is benign

Answer 2

false

Question 3

Neurological disorders are frequent in Porcine parvovirus infections.

Answer 3

false

Question 4

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

Answer 4

true

Question 5

Canine parvoviruses are shed in high concentrations with the feces

Answer 5

true

Question 6

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

Answer 6

true

Question 7

Feline panleukopenia viruses may infect dogs

Answer 7

false

Question 8

Mink parvovirus enteritis is characterized by fever and high mortality

Answer 8

true

Question 9

Live vaccines are used against Aleutian Mink Disease

Answer 9

false

Question 10

Ferrets can also be infected by the Aleutian Mink Disease virus

Answer 10

true

Question 11

Derzsy ́s disease virus can cross into the egg.

Answer 11

true

Question 12

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

Answer 12

true

Question 13

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

Answer 13

false

Question 14

Hemorrhagic nephritis and enteritis of geese is present worldwide.

Answer 14

true

Question 15

Porcine circoviruses are genetically and antigenically uniform.

Answer 15

false

Question 16

Porcine circoviruses may cause a variety of diseases

Answer 16

true

Question 17

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

Answer 17

true

Question 18

Avian circovirus infections result high morbidity and low mortality.

Answer 18

true

Question 19

Pigeon circoviruses are antigenically uniform.

Answer 19

false

Question 20

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

Answer 20

true

Question 21

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

Answer 21

false

Question 22

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

Answer 22

false

Question 23

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

Answer 23

true

Question 24

Intra uterine infection can occur in pregnant animals

Answer 24

true

Question 25

Pathogenicity means the ability of the agent to cause disease

Answer 25

true

Question 26

Virulence means the level of pathogenicity

Answer 26

true

Question 27

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

Answer 27

false

Question 28

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

Answer 28

true

Question 29

Stenoxen agents have a wide host range.

Answer 29

false

Question 30

The virulence of the agents is connected to virulence factors.

Answer 30

true

Question 31

Virulence is a stable characteristic of an agent.

Answer 31

false

Question 32

Animals cannot be infected with certain agents if they have species specific resistance

Answer 32

true

Question 33

Live vaccines can contain strains with lower virulence.

Answer 33

true

Question 34

Live vaccines always contain avirulent agents.

Answer 34

false

Question 35

Live vaccines are not used in Europe any more.

Answer 35

false

Question 36

Live vaccines do not provide good immunity.

Answer 36

false

Question 37

Selection method can be used for eradication of infectious diseases, when we remove infected animals.

Answer 37

true

Question 38

In the case of generation shift, newborn animals are separated from the dam and kept isolated.

Answer 38

true

Question 39

Embryo transfer cannot be used for eradication, since the embryo can be infected.

Answer 39

false

Question 40

The selection method cannot be combined vaccination.

Answer 40

false

Question 41

Adenoviruses usually cause central nervous diseases with high lethality.

Answer 41

false

Question 42

Only attenuated vaccines can be applied for immunization against adenoviruses.

Answer 42

false

Question 43

Urinary bladder wall edema is a typical lesion in Canine adenovirus infection.

Answer 43

false

Question 44

Canine adenovirus 2 causes upper respiratory tract infection in dogs.

Answer 44

true

Question 45

Bovine adenoviruses usually cause disease in calves.

Answer 45

true

Question 46

Crowded keeping conditions may facilitate the spread of adenoviruses in a population.

Answer 46

true

Question 47

Marble Spleen Disease virus causes lymphatic tumors in geese.

Answer 47

false

Question 48

The Egg drop syndrome virus may cause respiratory disease in young geese.

Answer 48

true

Question 49

Herpesviruses usually cause latent infections and life-long virus carries

Answer 49

true

Question 50

Infectious Bovine Rhinotracheitis virus (IBRV) can be transmitted through semen.

Answer 50

true

Question 51

Pregnant cows can be immunized against IBRV only with attenuated vaccines.

Answer 51

false

Question 52

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

Answer 52

false

Question 53

Rodents are the natural reservoir hosts of the Aujeszky's disease virus.

Answer 53

false

Question 54

In adult swine the most frequent manifestation of Aujeszky's disease is encephalitis.

Answer 54

false

Question 55

Dogs should be vaccinated against Aujeszky's disease virus yearly.

Answer 55

false

Question 56

Swine Inclusion Body Rhinitis is usually seen in piglets.

Answer 56

true

Question 57

Pregnant mares abort usually several weeks after Equid herpesvirus infection.

Answer 57

true

Question 58

Only pregnant mares should be immunized against Equid herpesvirus-1 infection.

Answer 58

false

Question 59

Equid herpesvirus-2 may cause respiratory disease in foals.

Answer 59

true

Question 60

Coital exanthema virus frequently causes abortion.

Answer 60

false

Question 61

Canid herpesvirus-1 may cause generalized infection and severe disease in young puppies.

Answer 61

true

Question 62

Inactivated vaccines are available for immunization against Canid herpesvirus-1.

Answer 62

true

Question 63

Feline Infectious Rhinotracheitis occurs in summer because Felid herpesvirus-1 is transmitted by mosquitoes.

Answer 63

false

Question 64

Conjunctivitis is a frequent sign of Feline Infectious Rhinotracheitis.

Answer 64

true

Question 65

Germinative route is the most important factor in the transmission of the Infectious Laryngotracheitis virus

Answer 65

false

Question 66

Tracheal lesions of Infectious Laryngotracheitis may be similar to those of fowl pox.

Answer 66

true

Question 67

Liver dystrophy is a frequent lesion in Duck Viral Enteritis.

Answer 67

true

Question 68

Pigeon herpesvirus may cause respiratory disease in young pigeons.

Answer 68

true

Question 69

The Marek's disease virus may survive in the environment for several months.

Answer 69

true

Question 70

Marek's disease is most frequently seen in geese and ducks.

Answer 70

false

Question 71

Free virions of the Marek's disease virus are formed in the feather follicle epithelial cells.

Answer 71

true

Question 72

Humoral immunity plays the central role in the host's defense against the Marek's disease virus.

Answer 72

false

Question 73

Typical pathological finding of PMWS is enlarged mesenteric lymph nodes.

Answer 73

true

Question 74

Circovirus infections are immune suppressive.

Answer 74

true

Question 75

Porcine circovirus can be transmitted by mice and rats

Answer 75

true

Question 76

Porcine dermatitis nephropathy can only be caused by circoviruses.

Answer 76

false

Question 77

Porcine circovirus vaccines are available both for sows and for piglets.

Answer 77

true

Question 78

Chicken anemia virus is transmitted both horizontally and vertically.

Answer 78

true

Question 79

Beak and feather disease lesions are sometimes obvious only after molting

Answer 79

true

Question 80

Atrophy of the thymus is a post mortem finding of Chicken Infectious Anemia virus.

Answer 80

true

Question 81

PPV-1 is endemic in most pig herds.

Answer 81

true

Question 82

Porcine SMEDI can only be induced by parvoviruses.

Answer 82

false

Question 83

Bocaviruses may cause mild respiratory or enteric diseases in newborn animals.

Answer 83

true

Question 84

Porcine parvovirus is transmitted through the fecal-oral route.

Answer 84

true

Question 85

Canine parvovirus is shed with the feces.

Answer 85

true

Question 86

Canine parvovirus attacks lymphoid cells.

Answer 86

true

Question 87

Typical clinical signs of the Derzsy ́s disease are results of infection below 5 weeks of age

Answer 87

true

Question 88

Aleutian mink disease is characterized by type-1 hypersensitivity

Answer 88

false

Question 89

Papilloma lesions often have a cauliflower like appearance.

Answer 89

true

Question 90

Goose hemorrhagic enteritis and nephritis is frequent in ducks.

Answer 90

false

Question 91

Goose hemorrhagic enteritis and nephritis causes death of goslings

Answer 91

true

Question 92

Hemorrhagic enteritis and nephritis virus replicates in the blood vessel endothelium.

Answer 92

true

Question 93

Poxvirus never cause viraemia and generalized infection

Answer 93

false

Question 94

Poxvirus can cause cytoplasmic inclusion bodies.

Answer 94

true

Question 95

Poxvirus are strong antigens, except for Orthopoxvirus.

Answer 95

false

Question 96

Poxvirus are a strong antigen, except for Parapoxvirus.

Answer 96

true

Question 97

Certain rodents are reservoir hosts of Cowpox virus.

Answer 97

true

Question 98

Skin lesions may be seen in cats after Cowpox virus infection.

Answer 98

true

Question 99

Bovine Papular Stomatitis virus causes vesicles in the oral cavity and hoofs of cattle.

Answer 99

false

Question 100

Virulent virus vaccines may be used for immunization against Contagious Pustular Dermatitis of sheep (Orf).

Answer 100

true