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 primary aldosteronism 
Select and explain. 
A. Pedal oedema, B. Increased rennin, C. Increased Na+, D. All
C: Increased Na+
Answer: C: Increased Na+ 
Explanation: Answer is C (Increased Na+) Primary Aldosteronism (Conn's syndrome) is associated with Hypeension, Hypernatremia ( tNa+) and Hypokalemia (iK+)