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
All are true about primary aldosteronism except: 
Select and explain. 
A. One of the most common cause of secondary hypeension, B. Hyperkalemia, C. Sodium retention, D. Ratio of plasma aldosterone to plasma renin activity (PA/ PRA) is a useful screening test
B: Hyperkalemia
Answer: B: Hyperkalemia 
Explanation: Answer- B. HyperkalemiaPrimary hyperaldosteronism is one of the most common cause of secondary hypeension.Excessive levels of aldosterone cause sodium retention and potassium excretion, with resultant hypeension and hypokalemia.Hypokalemia can cause weakness, parethesias, visual disturbances and tetany.The diagnosis of primary hyperaldosteronism is confirmed by the elvated level of aldostetone and depressed levels of renin in the circulation (low PRA).The ratio of plasma aldosterone to plasma renin activity (PA/PRA) is a useful screening test.