Q1 of 35 Page 181

Define the term prophylaxis.

The word “prophylaxis” is from the Greek language and means “an advance guard.”


It can be defined as a measure taken for the prevention of a disease or condition.


More from this chapter

All 35 →
1

Give one example of each of the following:

(i) Germ-killing body secretion ………………………….


(ii) Germ trapping body secretion ……………………….


(iii) The mechanical barrier that prevents entry of germs into the body ……………………..

 2

Mention if the following statements are True (T) or False (F):

(i) The immune system deals with the germs after they have entered the body.


(ii) Antibodies eat up the germs.


(iii) Human beings can suffer from all those diseases which attack dogs.


(iv) Anti-venine injection against snake bite is an example of artificially acquired passive immunity.


(v) Mother’s antibodies may reach the foetus through the placenta.


(vi) A person having once suffered from measles usually gets repeated attacks.

 2

Name the four categories of materials for preparing vaccines.

 3

Name the diseases prevented by:

(i) Salk’s vaccine …………………………………


(ii) BCG vaccine …………………………………


(iii) DTP vaccine ……………………………………