A vaccine protects by stimulating a person to produce a(n)________ response when the pathogen is encountered.
A) primary immune
B) secondary immune
C) tertiary immune
D) inflammatory
E) anaphylactic

Question

Quizplus · Accepted Answer

A vaccine works by introducing a harmless form of a pathogen or a part of a pathogen into the body, which stimulates the immune system to recognize and produce a secondary immune response if the actual pathogen is encountered later. The secondary response is stronger and faster than the primary response, which means that the body can mount an effective defense against the pathogen and prevent the disease.

A Vaccine Protects by Stimulating a Person to Produce A(n)________