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
Pathogenesis of Mycobacterium tuberculosis by macrophage is mainly mediated by - 
Select and explain. 
A. IL-6, B. IFN-12, C. IFN gamma, D. IL-3
C: IFN gamma
Answer: C: IFN gamma 
Explanation: . IFN gamma