When exposure to a pathogen identical to one that has been encountered previously occurs again, the immune system recognizes the pathogen and acts quickly based upon
A)suppression.
B)discrimination.
C)specificity.
D)mutation.
E)memory.

Question

Quizplus · Accepted Answer

The immune system has the ability to remember pathogens that it has encountered before. This memory allows for a more rapid and effective response to the pathogen upon subsequent exposure. This is known as the adaptive immune response. The other options, suppression, discrimination, specificity, and mutation, do not fully capture the phenomenon of the immune system's ability to recognize and respond to previously encountered pathogens.

When Exposure to a Pathogen Identical to One That Has