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
Which is not a feature of primary hyperaldosteronism: 
Select and explain. 
A. Hypokalemia, B. Hypeension, C. Hypernatremia, D. Increased rennin level
D: Increased rennin level
Answer: D: Increased rennin level 
Explanation: Answer is D (Increased Renin levels): Primary Aldosteronism (Conn's syndrome) is characteristically associated with low resin levels and not increased renin levels. Hypokalemia, Hypeension and Hypernatremia are characteristic features of Conn's syndrome.