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': "Conn's syndrome is characterized by diastolic hypeension without edema. \nSelect and explain. \nA. Hypokalemia, B. Hyperkalemia, C. Sodium retention, D. Hypeension", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A Excess Aldosterone is associated with Hypokalemia and not Hyperkalemia.', 'role': 'assistant'}]