Microbiology General d8659762 CD4 cells are involved in all of the following processes, EXCEPT: A Acting as a helper function for B cells B Processing and presenting antigens C Producing and releasing interleukin-2 D Producing and releasing interferon-gamma High-Yield Explanation CD4 cells or T cells, have all of the functions listed except for processing and presenting antigens. Ref: Kuby Immunology, 6th Edition, Page 209