Active Immunisation

Question 1

Strains used in marker vaccines can be differentiated from the field strains.

Answer 1

T

Question 2

Avirulent strains can be used in live vaccines

Answer 2

T

Question 3

The health state of the vaccinated animals can influence the efficacy of the vaccination

Answer 3

T

Question 4

Adjuvants in vaccines increase the shelf life of vaccines

Answer 4

F

Question 5

Inactivated vaccines contain inactivated bacterial toxins

Answer 5

T

Question 6

The method of vaccination has no effect on the efficacy of the vaccination

Answer 6

F

Question 7

Adjuvants in vaccines increase the efficacy of vaccines.

Answer 7

T

Question 8

Attenuated strains can be used in live vaccines.

Answer 8

T

Question 9

Deletion vaccines can only be used as live vaccines.

Answer 9

F

Question 10

In the case of marker vaccines, the field strains and the vaccine strains can be
differentiated

Answer 10

T

Question 11

Inactivated vaccines can contain the whole agents or their components

Answer 11

T

Question 12

The colostral immunoglobulins have no effect on the vaccination of the new born
animals

Answer 12

F

Question 13

DIVA principle can only be used if the animals are vaccinated with deletion vaccines

Answer 13

F

Question 14

According to DIVA principle, infected and vaccinated animals can be differentiated.

Answer 14

T

Question 15

Subunit vaccines contain only antigens of the agents

Answer 15

T

Question 16

Certain parts of the genome are missing from deletion vaccine strains

Answer 16

T

Question 17

Some genes are missing from the strains included in deletion vaccines

Answer 17

T

Question 18

For safety reasons only inactivated vaccines are used

Answer 18

F

Question 19

Live vaccines can contain strains with lower virulence

Answer 19

T

Question 20

Live vaccines always contain avirulent agents

Answer 20

F

Question 21

Live vaccines can contain attenuated strains

Answer 21

T

Question 22

Live vaccines are less effective than the inactivated ones.

Answer 22

F

Question 23

Live vaccines are dangerous, they are not on the market any more

Answer 23

F

Question 24

Live vaccines are not used in Europe any more.

Answer 24

F

Question 25

Live vaccines do not provide good immunity.

Answer 25

F

Question 26

Marker vaccines are used to mark the site of vaccination

Answer 26

F

Question 27

It is not allowed to use inactivated deletion vaccines in the EU.

Answer 27

F

Question 28

Live vaccines contain attenuated or avirulent agents.

Answer 28

T

Question 29

The agent in a vaccine can influence the level of the immune response of vaccinated
animals

Answer 29

T

Question 30

If deletion vaccines are used, vaccinated and infected animals can be differentiated.

Answer 30

F

Question 31

Using marker vaccines, vaccinated and infected animals can be differentiated.

Answer 31

T

Question 32

Use of marker vaccines can be combined with “test and remove” eradication.

Answer 32

T

Question 33

The immune response produced by an attenuated vaccine is low

Answer 33

F

Question 34

Marker vaccines are marked with dyes

Answer 34

F

Question 35

Some attenuated vaccine strains can be immunosuppressive

Answer 35

T

Question 36

Attenuated vaccines induced a quick immune response

Answer 36

T

Question 37

Vaccines containing attenuated strains are not used anymore

Answer 37

F

Question 38

The amount of antigen in the vaccine has no effect on the efficacy of the vaccine.

Answer 38

F