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: Medicine
[{'content': 'In multiple myeloma following are seen except: \nSelect and explain. \nA. Anion gap raised, B. Lytic bone lesion, C. Polyaicular pain, D. M spike present with polyaiculopathy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Anion Gap Raised) Multiple Myeloma is associaitd with decreased Anion Gap. Hypoalbuminemia Multiple Myeloma and other paraproteinemic states like Waldenstorm's macroglobulinemia Lithium intoxication / Bromide intoxication Decreased Anion Gap is rare / uncommon and occurs due to accumulation of positively charged unmeasured cations which lower the anion gap This is impoant as it may mask a significant anion gap acidosis.", 'role': 'assistant'}]