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
True about Conn's syndrome 
Select and explain. 
A. TK+, B. Proximal myopathy, C. Ted plasma rennin activity, D. Edema
B: Proximal myopathy
Answer: B: Proximal myopathy 
Explanation: 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).