Q. A person likely to develop tetanus is immunized administering :
(a) Weakened germs
(b) Dead germs
(c) Preformed antibodies
(d) Wide spectrum antibiotics
Solution : Correct option : C Tetanus vaccine, also known as tetanus toxoid (TT), is an inactive vaccine used to prevent tetanus. A person likely to develop tetanus is immunised by giving pre-formed antibodies and it produces passive immunity. In passive immunity, the antibodies are produced in some other animals in response to given antigen. These pre-formed antibodies are then injected into the humans at the time of need or emergency . So, the correct answer is ‘Preformed germs’.
