This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': "Moeller's glossitis is due to a \nSelect and explain. \nA. pernicious anemia, B. Riboflavin deficiency, C. Acute monocytic leukemia, D. Late acquired syphilis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Atrophic glossitis. Atrophic glossitis, also known as bald tongue, smooth tongue, Hunter glossitis, Moeller glossitis, or Moller-Hunter glossitis, is a condition characterized by a smooth glossy tongue that is often tender/painful, caused by complete atrophy of the lingual papillae Ref Davidson 23rd edition pg 1036', 'role': 'assistant'}]