Question

A person likely to develop tetanus is immunised
by administering
(a) preformed antibodies
(b) wide spectrum antibiotics
(c) weakened germs
(d) dead germs

Answer 1

A person likely to develop tetanus is immunised by administering weakened germs

• Weakened Germs or also called as vaccines.
• A vaccine is a biological preparation that provides active acquired immunity to a particular disease.
• Tetanus is prevented by an inactive vaccine, tetanus toxoid also called a tetanus vaccine.
• This vaccine produces passive immune.

Answer 2

A person likely to develop tetanus is immunised weakened germs.

Option (D) is correct.

Explanation:

• Tetanus toxoid is a vaccine consisting of growth products of Clostridium tetani treated with formaldehyde serving as an active immunising agent.
• A vaccine is a biological substance that is used to activate the acquired immunity to a particular disease.
• The use of vaccines and other immunisation methods have helped us to completely eradicate a deadly disease like smallpox.
• A large number of other infectious diseases have also been treated by using vaccines like polio, diphtheria, pneumonia and tetanus.

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