Q3 of 35 Page 181

Name the diseases prevented by:

(i) Salk’s vaccine …………………………………


(ii) BCG vaccine …………………………………


(iii) DTP vaccine ……………………………………

(i) Salk’s vaccine: Poliomyelitis


Explanation: The vaccine is usually of two types. One uses inactivated polio virus. The other uses weakened polio virus.


(ii) BCG vaccine: Tuberculosis


Explanation: Bacillus Calmette-Guerin is primarily used to prevent tuberculosis. In some cases, it also prevents leprosy.


(iii) DTP vaccine: Diphtheria, pertussis (a whooping cough), and tetanus.


Explanation: It is a combination of vaccinations that is used against three diseases in humans - diphtheria, pertussis, and tetanus.


More from this chapter

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1

Define the term prophylaxis.

 2

Name the four categories of materials for preparing vaccines.

 1

Correct the following statements if they are false (without changing the first word).

(i) DDT is an antiseptic. ………………………………


(ii) Penicillin is a disinfectant. ……………………………


(iii) Disinfectants are applied on the body. ……………………………………………………………


(iv) Deodorants are both antiseptic as well as disinfectants. ……………………………………………


(v) Alexander Fleming discovered the first sulphonamide. ……………………………………


(vi) Antibiotics cannot be made synthetically. ……………………………………


(vii) Sulphonamides are now rarely used. ………………………………………………

 2

List any three uses of antibiotics.