Active Immunisation Flashcards

1
Q

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

A

T

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2
Q

Avirulent strains can be used in live vaccines

A

T

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3
Q

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

A

T

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4
Q

Adjuvants in vaccines increase the shelf life of vaccines

A

F

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5
Q

Inactivated vaccines contain inactivated bacterial toxins

A

T

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6
Q

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

A

F

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7
Q

Adjuvants in vaccines increase the efficacy of vaccines.

A

T

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8
Q

Attenuated strains can be used in live vaccines.

A

T

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9
Q

Deletion vaccines can only be used as live vaccines.

A

F

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10
Q

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

A

T

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11
Q

Inactivated vaccines can contain the whole agents or their components

A

T

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12
Q

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

A

F

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13
Q

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

A

F

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14
Q

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

A

T

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15
Q

Subunit vaccines contain only antigens of the agents

A

T

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16
Q

Certain parts of the genome are missing from deletion vaccine strains

17
Q

Some genes are missing from the strains included in deletion vaccines

18
Q

For safety reasons only inactivated vaccines are used

19
Q

Live vaccines can contain strains with lower virulence

20
Q

Live vaccines always contain avirulent agents

21
Q

Live vaccines can contain attenuated strains

22
Q

Live vaccines are less effective than the inactivated ones.

23
Q

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

24
Q

Live vaccines are not used in Europe any more.

25
Live vaccines do not provide good immunity.
F
26
Marker vaccines are used to mark the site of vaccination
F
27
It is not allowed to use inactivated deletion vaccines in the EU.
F
28
Live vaccines contain attenuated or avirulent agents.
T
29
The agent in a vaccine can influence the level of the immune response of vaccinated animals
T
30
If deletion vaccines are used, vaccinated and infected animals can be differentiated.
F
31
Using marker vaccines, vaccinated and infected animals can be differentiated.
T
32
Use of marker vaccines can be combined with "test and remove" eradication.
T
33
The immune response produced by an attenuated vaccine is low
F
34
Marker vaccines are marked with dyes
F
35
Some attenuated vaccine strains can be immunosuppressive
T
36
Attenuated vaccines induced a quick immune response
T
37
Vaccines containing attenuated strains are not used anymore
F
38
The amount of antigen in the vaccine has no effect on the efficacy of the vaccine.
F