This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
[{'content': "All are true about Hashimoto's thyroiditis except: \nSelect and explain. \nA. Antithyroid microsomal antibodies, B. Antithyroid nuclear antibodies, C. Anti TSH receptor antibodies, D. Increased level of thyroid hormones", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: a (Antithyroid microsomal antibodies)Ref: Harrison, 16thed, p. 2110 & 14thed, p. 2034, Patho. Robbins illustrated 7th ed, p. 1169 & 6th ed, p. 1134', 'role': 'assistant'}]