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': 'A lady in the second trimester underwent a hemogram and her hemoglobin was found to be 6mg%. The gynaecologist suggested for IV transfusion of packed red cells to improve the level.\n\nThe most common oral change due to nutritional anemia is \nSelect and explain. \nA. Enlarged tongue, B. Atrophic glossitis, C. Generalized osteolysis, D. Focal marrow expansion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]