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': 'Aldosterone synthesis is inhibited by: \nSelect and explain. \nA. Endothelin, B. Dopamine, C. Endorphin, D. Hypernatremia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Hypernatremia', 'role': 'assistant'}]