This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Th 1 type of cells are most dependent on ? 
Select and explain. 
A. IFN-g, B. IL-4, C. IL-5, D. IL-6
A: IFN-g
Answer: A: IFN-g 
Explanation: Ans. is 'a' i.e., IFN-g