| Clue | Answer |
| Name of the process where a phagocyte recognizes an antibody bound foreign cell and ingests it | |
| Name of the process by which antibodies bound to foreign cell attract a NK cell which apoptosizes the cell | |
| Co-receptor on T cell that binds MHC I | |
| Co-eceptor on T cell that binds MHC II | |
| Name of transcription factor that causes expression of self-antigens in thymus | |
| T cells mature here | |
| Major T Cell lineage marker | |
| In step 2 of T cell activation, this receptor binds B7 from the antigen presenting cell | |
| The consequence of missing the above receptor | |
| Once activated, T cells secrete and bind this molecule that causes T cell divisions | |
| CD4 T Cell that promotes inflammatory cellular immunity by activating macrophages | |
| CD4 T Cell that promotes humoral immune response by activating B cells to make antibodies | |
| CD4 T cell that regulates immune response | |