What is the role of the T lymphocyte (T cell) in the development of long-lasting antibody-mediated immunity?
a. Enhancing the sensitized B lymphocyte's production of antibodies on second and subsequent exposure to the same antigen
b. Preventing general immune responses from becoming excessive and leading to autoimmunity
c. Distinguishing sensitized B lymphocytes from unsensitized B lymphocytes
d. Assisting unsensitized B lymphocyte to recognize new antigens
ANS: D
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