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': 'A female patient has TSH elevated above normal and subnormal free T4. What is the likely diagnosis? \nSelect and explain. \nA. Primary hypothyroidism, B. Secondary hypothyroidism, C. Hypehyroidism, D. Subclinical hypothyroidism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Primary hypothyroidismElevated TSH with decreased T3/74 in the patient is suggestive of primary hypothyroidism"', 'role': 'assistant'}]