Why are functions of T-lymphocytes referred to as "cell-mediated" immunity?
A) Because T-lymphocytes are cells and not just plasma proteins
B) Because T-lymphocytes work against antigens associated with cells
C) Because T-lymphocytes work only against single-celled infectious agents
D) Because T-lymphocytes must activate other classes of cells in order to have any effect

Question

Quizplus · Accepted Answer

T-lymphocytes are involved in cell-mediated immunity because they target and destroy infected or abnormal cells, recognizing antigens presented by these cells.

Why Are Functions of T-Lymphocytes Referred to as "Cell-Mediated" Immunity