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: Medicine
[{'content': 'Hyperaldosteronism is characterized by the following except - \nSelect and explain. \nA. Hypernatremia, B. Metabolic acidosis, C. Hypokalemia, D. Low plasma rennin levels', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hyperaldosteronism is defined as a selective increase of mineralocoicoids caused by a disorder of the zona glomerulosa of the adrenal gland, resulting in hypeension, hypokalemia, and metabolic alkalosis. This may be accompanied by muscle weakness and fatigue related to the hypokalemia ( Harrison 17 pg 2260)', 'role': 'assistant'}]