This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pediatrics
[{'content': "Which of the following effects is NOT SEEN in primary hyperaldosteronism (Conn's syndrome)? \nSelect and explain. \nA. Hypertension, B. Metabolic Alkalosis, C. Hyperkalemia, D. Expansion of Extracellular and Plasma volume", 'role': 'user'}, {'content': "Answer: C \nExplanation: c. Hyperkalemia(Ref: Nelson's 20/e p 2227-2729, Ghai 8/e p 525)Primary aldosteronism encompasses disorders caused by excessive aldosterone secretion independent of the renin angiotensin system. These disorders are characterized by hypertension and hypokalemia.", 'role': 'assistant'}]