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': 'Anti IgE monoclonal antibody used in bronchial asthma is \nSelect and explain. \nA. Mepolizumab, B. Omalizumab, C. Keliximab, D. Altrakincept', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is a humanized monoclonal antibody against IgE. Administered i.v. or s.c., it neutralizes free IgE in circulation without activating mast cells and other inflammatory cells.\nIn severe extrinsic asthma, omalizumab has been found to reduce exacerbations and steroid requirement.\nIt is very expensive; use is reserved for resistant asthma patients with positive skin tests or raised IgE levels who require frequent hospitalization.', 'role': 'assistant'}]