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': 'All are true regarding ADH action except - \nSelect and explain. \nA. Postoperative secretion is more, B. ADH secretion occurs when plasma osmolality is low, C. Acts on DCT, D. Neuro-secretion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. ADH secretion occurs when plasma osmolality is lowADH acts on DCT and collecting duct to increase water reabsorption.ADH secretion is increased when plasma osmolality is highStress (like surgery) increases ADH secretion.', 'role': 'assistant'}]