Question

When a ready made antibody is introduced from outside instead of stimulating the body to produce antibody with antigenic stimulus,it is called as__________.

• A. passive acquired immunity
• B. innate immunity
• C. active acquired immunity
• D. none of these

Answer 1

The correct option is A

passive acquired immunity

In passive acquired immunity, a ready made antibody is introduced from outside, instead of stimulating the body to produce antibody with antigenic stimulus.
If the readymade antibody is taken from the mother’s blood, it is called naturally passive acquired immunity. If the readymade antibody is given to an individual artificially, (produced in some other animal, it is called artificial passive acquired immunity. This immunity is not permanent.