This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunity, Subject name: Pathology
T cell dependent tubercular antigens produces which of the following antibodies? 
Select and explain. 
A. IgM, B. IgG, C. IgG & IgA, D. IgG, IgM, IgA, IgE
C: IgG & IgA
Answer: C: IgG & IgA 
Explanation: Ans. C. IgG & IgA.# The immune response to mycobacterial infection is predominantly cellular.# Pulmonary TB patients react to at least one of the glycolipidic antigens and have only IgG antibodies to glycolipids, or only IgA antibodies to glycolipids, or both IgG and IgA antibodies to glycolipids.