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': "True about Conn's syndrome \nSelect and explain. \nA. TK+, B. Proximal myopathy, C. Ted plasma rennin activity, D. Edema", 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer is B (Proximal myopathy): Conn syndrome is associated with hypokalenzia and muscle weakness (proximal myopathy) Patients with Conn's syndrome characteristically do not have edema, and Plasma rennin activity is typically low (decreased).", 'role': 'assistant'}]