In an experimental situation, a virus is injected into a rabbit and the rabbit is allowed to make antibodies for the viral antigen.These antibodies are then removed from the rabbit plasma and injected into a human to help combat the same viral disease.This is an example of
A) innate immunity.
B) active immunization.
C) passive immunization.
D) natural immunity.
E) autoimmunity.

Question

Quizplus · Accepted Answer

This is an example of passive immunization because the antibodies are obtained from an external source (the rabbit) and given directly to the individual (the human) without the individual having to produce their own antibodies. Active immunization would involve stimulating the individual's own immune system to produce antibodies, such as through vaccination.

In an Experimental Situation, a Virus Is Injected into a Rabbit