Multiple choice T8 cells are related with helper T cells cytotoxic T cells suppressor T cell None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation T8 cells refer to T lymphocytes that express the CD8 co-receptor, which are known as cytotoxic T cells. These cells are responsible for killing virus-infected cells, tumor cells, and damaged cells. T4 cells (CD4+) are helper T cells.