This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': '60 yr old lady with RA is considered for infliximab therapy tests to be done are \nSelect and explain. \nA. LFT, B. PPD skin test, C. PFT, D. Visual exam', 'role': 'user'}, {'content': 'Answer: D \nExplanation: TNF alpha inhibitors can cause reactivation of latent TB. Othr drugs in TNF alpha inhibitors are adalimumab, golimumab. Ref: Katzung 11/e p633', 'role': 'assistant'}]