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
Cellular immunity is affected by - 
Select and explain. 
A. Cytokines, B. Immunoglobulins, C. g-globulins, D. Prostaglandins
A: Cytokines
Answer: A: Cytokines 
Explanation: The helper T1 cells produce cytokines, interleukin 2 and interferon gamma which activate macrophage and T cells promoting cell-mediated immunity. It also helps in the destruction of target cells and killing of intracellular pathogens. Reference : Anathanarayan & paniker's 9th edition, pg no:135 <\p>