Immunity that results from exposure to an antigen in the environment is called ________ immunity.
A) naturally acquired active
B) naturally acquired passive
C) artificially acquired active
D) artificially acquired passive
E) innate

Question

Quizplus · Accepted Answer

Naturally acquired active immunity refers to the immunity that results from natural exposure to an antigen, such as getting infected with a disease. This type of immunity is acquired through the production of antibodies by the body's own immune system. Therefore, option A is the best choice for the given question.

Immunity That Results from Exposure to an Antigen in the Environment