This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'Omalizumab is a monoclonal antibody used for the treatment of: \nSelect and explain. \nA. Digitalis toxicity, B. bronchial asthma, C. Rheumatoid ahritis, D. Breast carcinoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Ref: KDT 6/e p226) Omalizumab is a monoclonal antibody against IgE. It is useful for the management of bronchial asthma.', 'role': 'assistant'}]