Questions: Antibodies developed in response to an infection are an example of which of the following? a.) Artificial passive immunity b.) Natural passive immunity c.) Natural active immunity d.) Artificial active immunity

The answer is the third one (or C): Natural active immunity.

Explanation for each option: a.) Artificial passive immunity: This involves the introduction of antibodies from an external source, such as an injection of antibodies, rather than the body producing them in response to an infection. b.) Natural passive immunity: This occurs when antibodies are transferred from one individual to another naturally, such as from mother to baby through breast milk. c.) Natural active immunity: This is when the body produces its own antibodies in response to an infection, which is the case described in the question. d.) Artificial active immunity: This involves the introduction of a vaccine, which stimulates the body to produce its own antibodies.

Summary: Antibodies developed in response to an infection are an example of natural active immunity.