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: Anatomy
[{'content': 'Plasma cell dyscariasis include all the following except \nSelect and explain. \nA. Waldenstorms macroglobulinemia, B. Heavychain disease, C. Monoclonal gammopathy, D. Systemic lupus erythematosus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Plasma cell dyscariasis are characterized by proliferation of B cells clone which synthesis and secretes a single homogenous immunoglobulins or its fragments.This entity includes Multiple myeloma ,Waldenstroms macroglobulinemia ,Heavy chain diseases,Primary or immunocyte associated amyloidosis and monoclonal gammopathy of undetermined significance.( ref Robbins 7th/678-679)', 'role': 'assistant'}]