Enhanced immune responses to subsequent exposures to an antigen to which the body has already been exposed are known as ________ responses.
A) third-degree immune
B) allergic
C) primary immune
D) memory
E) autoimmune

Question

Quizplus · Accepted Answer

The enhanced immune responses to subsequent exposures to an antigen to which the body has already been exposed are known as memory responses. These responses are a characteristic feature of adaptive immunity, which allows the immune system to recognize and respond more effectively to pathogens that it has encountered before.

Enhanced Immune Responses to Subsequent Exposures to an Antigen to Which