Delayed tuberculin test response is due to-
Correct Answer: T lymphocytes
Description: Tuberculin test is type IV hypersensitivity reaction. Delayed or cell mediated hypersensitivity is a cell mediated response. The antigen activates specifically sensitised CD4 & CD8 T lymphocytes leading to the secretion of lymphokines and phagocyte accumulation. Reference : Anathanarayan & paniker's 9th edition, pg no: 162 <p>
Category:
Microbiology
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