This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunomodulators, Subject name: Pharmacology
[{'content': 'TNF -alpha inhibitors should not be used in: \nSelect and explain. \nA. Rheumatoid ahritis with HIV infection, B. Rheumatoid ahritis with hepatitis B, C. Rheumatoid ahritis with hepatitis C, D. Rheumatoid ahritis with pulmonary fibrosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tumor necrosis factor-a (TNF-a) inhibitors are known to increase reactivation of concurrent chronic hepatitis B,Hence not used ESSENTIALS OF MEDICAL PHARMACOLOGY: SEVENTH EDITION K.D TRIPATHI PAGE:804,805,884', 'role': 'assistant'}]