The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is not a characteristic feature of multiple myeloma?   (A) Increased Ig levels in serum   (B) Positive ANA   (C) Plasmacytosis   (D) M spike on electrophoresis
['(B) Positive ANA <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increased Ig levels in serum \n (B) Positive ANA \n (C) Plasmacytosis \n (D) M spike on electrophoresis <> possible answers', '  Which of the following is not a characteristic feature of multiple myeloma? <> context@']