Factors affecting infectious disease- Host

Question 1

1) Foetuses can have active immune response

Answer 1

true

Question 2

2) Newborn animals have local immune response

Answer 2

true

Question 3

3) Foetuses do not have immune reactions

Answer 3

false

Question 4

4) Fetuses have no active immune response

Answer 4

false

Question 5

5) The skin, mucous membranes and mucous are parts of the non specific resistance system of the host

Answer 5

true

Question 6

6) The normal microflora of the gut is essential for animals; they cannot live without it

Answer 6

false

Question 7

7) Foetuses have no immune response; they appear only in 2-4 week old animals

Answer 7

false

Question 8

8) The age of the animals does not influence their susceptibility to a certain agent

Answer 8

false

Question 9

9) Susceptibility to a disease can be influenced by age.

Answer 9

true

Question 10

10) Certain medicines and agents can decrease the protection of the hosts

Answer 10

true

Question 11

11) Species specific resistance means that certain agents cannot infect certain hosts

Answer 11

true

Question 12

12) Species related resistance means that certain agents cannot cause infection in resistant host species

Answer 12

true

Question 13

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

Answer 13

true

Question 14

14) Certain animal species are resistant against certain agents

Answer 14

true

Question 15

15) Chicken embryos are able to produce an immune response

Answer 15

true

Question 16

16) Cellular immune response is very important in the case of viral diseases

Answer 16

true

Question 17

17) Gastric juice can protect the host from infections

Answer 17

true

Question 18

18) From 2nd trimester of pregnancy, the foetus produces an immune response against any antigen.

Answer 18

false

Question 19

19) There is no immune response in the foetus, only from 4 weeks after birth

Answer 19

false