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: Pharmacology
[{'content': 'All of the following increases the risk of Digoxin toxicity except \nSelect and explain. \nA. Hypercalcemia, B. Renal failure, C. Hypomagnesimia, D. Hyperkalemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hyperkalemia is the side effect of Digoxin but hypokalemia precipitates Digoxin toxicity.', 'role': 'assistant'}]