Multiple choice What is the main function of T-cells? Lymphokine production and delayed hypersensitivity Antigen-antibody reaction (complement activation) Anaphylaxis (immediate hypersensitivity) Antibiotic production Reveal answer Fill a bubble to check yourself A Correct answer Explanation T-cells produce lymphokines, cytokines and induce cell-mediated immunity (CMI). Delayed hypersensitivity refers to appearance of reaction after 48-42 hours. It is medicated by T-lymphocytes. Delayed hypersensitivity is cell-mediated immunity.