<prompt> All of the above are antigen presenting cells APCs except -T cellsB cellsFibroblastsDendritic cells  <response>: Professional antigen-presenting cells, including macrophages, B cells and dendritic cells, present foreign antigens to helper T cells, while other cell types can present antigens originating inside the cell to cytotoxic T cells Reff: Ananthanarayanan Panikers textbook of microbiology 9th edition pg: 137 