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: Pharmacology
[{'content': 'Fully humanized antibodies used in the treatment of RA? \nSelect and explain. \nA. Anakinra, B. Adolimumab, C. Infliximab, D. Leflunamide', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' i.e., Adolimumab Etanercept: TNF type II receptor fused to IgG 1 o Infliximab: Chimeric human-mouse monoclonal antibody to TNF o Adolimumab: Fully human anti-TNF antibody", 'role': 'assistant'}]