[Solved]: T cells are derived from hematopoietic stem cells that…

T cells are derived from hematopoietic stem cells that differentiate in the thymus. Which of the following statements is correct? A. Thymic involution leads to a rapid loss of naïve T cells. B. Upon thymic involution, peripheral homeostatic proliferation of existing T cells to is effective to at least partially compensate for T cell loss. C. The thymus starts to involute after the age of 50 years. D. Generation of T cells by homeostatic proliferation can increase the T-cell receptor repertoire.