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: Physiology
[{'content': 'All of the following statements about adrenals are true except : \nSelect and explain. \nA. Chromoffin granules are seen in pheochromocytoma, B. Adrenal medulla normally secretes epinephrine & in excess of norepinephrine, C. Tumours of adrenal medulla secrete epinephrine in excess of norepinephrine, D. Adrenal medulla is not essential for life', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Adrenal medulla normally secretes epinephrine & in excess of norepinephrine', 'role': 'assistant'}]