Delayed hypersensitivity involves -: (A) Neutrophils, (B) Monocytes, (C) Eosinophils, (D) Lymphocytes
Answer is D. Delayed or cell-mediated hypersensitivity is a cell-mediated response. The antigen activates specifically ssensitizedCD4 & CD8 T lymphocytes leading to the secretion of lymphokines and phagocyte accumulation. Reference:nathanarayan & paniker's 9th edition, pg no: 162 <\p>