Lymphoid System and Cellular Immunology 273171.Gene rearrangement of cytotoxic T cells occurs primarily in which of
the following?
a. Bone marrow
b. Spleen
c. Germinal centers
d. Thymus
e. Mesenteric lymph nodes
172.Gene products of class II major histocompatibility complex (MHC)
present antigenic peptides primarily to which of the following?
a. Helper T cells
b. Cytotoxic T cells
c. Antigen-presenting cells
d. B cells
e. Plasma cells
173.Expression of antigen associated with class I MHC molecules is rec-
ognized primarily by which of the following?
a. B cells
b. CD4+T lymphocytes
c. CD8+T lymphocytes
d. Plasma cells
e. Macrophages
174.Interleukin 2 is produced by which of the following?
a. Plasma cells
b. Natural killer cells
c. CD4+T lymphocytes
d. CD8+T lymphocytes
e. Macrophages