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: Pathology
[{'content': 'In multiple myeloma there is proliferation of \nSelect and explain. \nA. Basophils, B. Eosinophils, C. Plasma cells, D. Neutrophils', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mulple myeloma \xa0Mulple myeloma is a plasma cell neoplasm characterized by involvement of the skeleton at mulple sites,\nPlasma cells proliferate abnormally and the proliferated plasma cells infiltrate various organs, parcularly bone marrow,\nbut can also spread to lymph nodes and extranodal sites like skin,\n\xa0The proliferaon and survival of myeloma cells are dependent on several cytokines, IL-6 is parcularly important,\nThe neoplasc plasma cells secrete abnormally large amounts of immunoglobulin.\n\xa0The immunoglobulin secreted by neoplasc plasma cells are quiet different form the immunoglobulin normally present in the blood.\n\xa0The normal immunoglobulin consists of two heavy and two lights chains molecules and the producon of both chain is ghtly balanced.\n\xa0The immunoglobulin secreted in this condion may be : - Isolated light chain or heavy chain. May be an intact anbody molecule of any heavy chain subclass.\nMay be an altered anbody or fragment.', 'role': 'assistant'}]