Allowing small children to be exposed to some dirt is one way of imparting
A) naturally acquired active immunity.
B) artificially induced active immunity.
C) innate (nonspecific) immunity.
D) naturally acquired passive immunity.
E) artificially induced passive immunity.

Question

Quizplus · Accepted Answer

Allowing small children to be exposed to some dirt can introduce them to various microorganisms, which in turn can stimulate their immune system to produce antibodies against those microorganisms. This is an example of naturally acquired active immunity, where the immune system produces its own antibodies in response to exposure to a pathogen or antigen.

Allowing Small Children to Be Exposed to Some Dirt Is