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
N K cells activity is enahnced by - 
Select and explain. 
A. IL-1, B. TNF, C. IL-2, D. TGP-b
C: IL-2
Answer: C: IL-2 
Explanation: IL-2 promote growth and differentiation of T & B cells , cytotoxicity of T & NK cells Reff: Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 154 table 15.3