This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid, Subject name: Surgery
[{'content': "The laboratory investigation of a patient shows |T4, and |TSH. Which of the following is the most likely diagnosis: \nSelect and explain. \nA. Grave's disease, B. Hashimoto's disease, C. Pituitary failure, D. Hypothalamic failure", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Grave disease is hypehyroid state,pituitary and hypothalamic failures are considered by decreased TSH. Hashimoto disease is characterised by increased TSH and decreased T4 .', 'role': 'assistant'}]