MRCP UK EXAMINATIONS

Detailed explanation-1: -B cells produce plasma cells, which secrete antibodies into the blood. T cells are the precursors of B cells. T cells are the only form of lymphocyte found in lymphoid tissue. B cells produce plasma cells, which secrete antibodies into the blood.

Detailed explanation-2: -Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.

Detailed explanation-3: -Follicular helper T Cells (Tfh). There, they induce the formation of germinal centers, the transformation of B Cells into plasma cells, the production of antibodies with different isotypes, and the production of memory B Cells (35).