Exam 16: The Adaptive Immune Response

Explain what is meant by the phrase "T and B cell cooperation" in the context of adaptive immune responses.Why is it important that the B cell functions as an antigen-presenting cell for this cooperation to occur and how is this accomplished?

_____ is the first antibody made during a primary immune response,and it consists of _____ antigen-binding sites.

Circulating T lymphocytes that have never before encountered antigen to which they are specific are referred to as

Long-lived lymphocytes that respond more rapidly and effectively on antigen encounter at a later time are known as _____ cells.

Specialized antigen-collecting cells of the gastrointestinal tract are called