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': 'In thyroid, the bruit is heard in \nSelect and explain. \nA. Lower pole, B. Upper pole, C. Medial side, D. Lateral side', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Upper pole.Ref: Rajamahendran Long Cases In Surgery- Page 32 2nd Edition* Systolic bruit may be heard in superior pole outwards due to increased vascularity.', 'role': 'assistant'}]