Midterm 2 PQ

Question 1

Several virulence variants of African Swine Fever Virus exist

Answer 1

T

Question 2

African swine fever is shed in the saliva of the infected animals

Answer 2

T

Question 3

ASF virus is shed in the urine of the infected animals

Answer 3

F

Question 4

Stamping out of the infected herds is applied in the control of African Swine Fever

Answer 4

T

Question 5

The leading clinical sign in African swine fever is excess salivation

Answer 5

F

Question 6

In acute African swine fever the leading pathological findings are the haemorrhages

Answer 6

T

Question 7

The African swine fever infects the swine per os

Answer 7

T

Question 8

The African swine fever virus genome codes only 2 proteins

Answer 8

F

Question 9

The African swine fever virus infects the swine by air

Answer 9

F

Question 10

In African swine fever cases of abortion are never observed

Answer 10

F

Question 11

The primary replication site of African swine fever virus is the oronasal mucosa

Answer 11

F

Question 12

The primary replication sites of African swine fever virus are the tonsils and lymph nodes

Answer 12

T

Question 13

In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes

Answer 13

T

Question 14

In case of African swine fever enlarged spleen is observed during necropsy

Answer 14

T

Question 15

The ASF virus replicates the bone marrow

Answer 15

T

Question 16

The tick species vectoring African swine fever are present in Portugal and Spain

Answer 16

T

Question 17

The ASF virus is serologically uniform but several genotypes exist

Answer 17

T

Question 18

In acute ASF we can observe high mortality in sows

Answer 18

T

Question 19

Vaccines are available in EU to be used in the control of African swine fever

Answer 19

F

Question 20

Vaccines are available to be used in the control of ASF

Answer 20

F

Question 21

The immune system cannot neutralize the ASF virus by antibodies

Answer 21

T

Question 22

The African swine fever virus can be disinfected by 2%NaOh within 1 day

Answer 22

T

Question 23

In Europe the main route of infection is the transmission of the African swine fever by ticks

Answer 23

F

Question 24

The African swine fever virus is highly resistant against the environmental conditions

Answer 24

T

Question 25

The African swine fever causes hemadsorption in cell cultures

Answer 25

T

Question 26

In the control of African swine fever thinning of the wild boar populations is helpful

Answer 26

T

Question 27

ASF is always a peracute disease

Answer 27

F

Question 28

ASF virus retains its infectivity for years in frozen meat

Answer 28

T

Question 29

The African swine fever virus replicated in lymphocytes

Answer 29

F

Question 30

Wild boars may be chronically infected with African swine fever virus

Answer 30

F

Question 31

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

Answer 31

T

Question 32

African swine fever is endemic in Sardinia

Answer 32

T

Question 33

The resistance of the African swine fever virus is very low

Answer 33

F

Question 34

African swine fever is generally transmitted by mosquitoes

Answer 34

F

Question 35

African swine fever can cause disease in humans

Answer 35

F

Question 36

The African swine fever virus can be inactivated by irradiation

Answer 36

F

Question 37

The ASF causes hemadsorption in cell cultures

Answer 37

T

Question 38

African Swine Fever virus infects every cloven hoofed animal

Answer 38

F

Question 39

African Swine Fever does not occur in Europe

Answer 39

F

Question 40

African Swine Fever is a resistant virus

Answer 40

T

Question 41

Immunocomplexes are formed in the case of African Swine Fever

Answer 41

T

Question 42

Only activated vaccines are used for the prevention of African Swine Fever

Answer 42

F

Question 43

Ticks can transmit African Swine Fever virus

Answer 43

T

Question 44

In ASF cases abortion is never observed

Answer 44

F

Question 45

Swine and wild boars are susceptible to African Swine Fever virus

Answer 45

T

Question 46

Warthogs can maintain African Swine Fever in endemic areas

Answer 46

T

Question 47

Attenuated vaccines are used for the prevention of African swine fever

Answer 47

F

Question 48

African Swine Fever virus has a low resistance

Answer 48

F

Question 49

African Swine Fever virus can infect pigs and wild boars

Answer 49

T

Question 50

The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs

Answer 50

F