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': "Which is the hallmark feature of conn's syndrome \nSelect and explain. \nA. Hypertension with hyperkalemia, B. Hypertension with hypokalemia, C. Hypotension with hyperkalemia, D. Hypotension with hypokalemia", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Conns syndrome will cause increased aldosterone levels.\nIt will cause hypertension with hypokalemia.', 'role': 'assistant'}]