This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Tuberclin test is reaction of - 
Select and explain. 
A. Anaphylaxis mediated, B. Cell mediated, C. Antibody mediated, D. Immune complex mediated
B: Cell mediated
Answer: B: Cell mediated 
Explanation: Tuberculin test is type IV hypersensitivity reaction. - it 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>