This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Medicine
[{'content': 'Drug (s) used in the treatment of multiple myeloma is/are- \nSelect and explain. \nA. Boezomib, B. Methotrexate, C. Hydroxyurea, D. Ketoconazole', 'role': 'user'}, {'content': "Answer: A \nExplanation: Drugs used as first line treatment of multiple myeloma include boezomib(proteasome inhibitor) & thalidomide( anti- angiogenic effects against tumour blood vessels & immunomodulatory effects).Reference :Davidson's principles &practice of medicine 22nd edition pg no 1047.", 'role': 'assistant'}]