Adaptive immunity is sometimes also called acquired immunity. Which of the following statements provides a basis for the alternative name?
A) Lymphocytes of the adaptive immune system are highly specific for a single epitope.
B) Activated lymphocytes produce daughter cells that are identical in specificity and function.
C) To become activated, lymphocytes require exposure to the epitope for which they are specific.
D) Activated lymphocytes may persist for years in the body.
E) Lymphocytes reactive to normal body components are removed.

Question

Quizplus · Accepted Answer

The alternative name "acquired immunity" is based on the fact that lymphocytes require exposure to the specific antigen (epitope) before they can become activated and provide protection against the pathogen carrying that epitope. This is in contrast to innate immunity, which is present from birth and does not require prior exposure to a specific pathogen.

Adaptive Immunity Is Sometimes Also Called Acquired Immunity