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
All of the following increases the risk of Digoxin toxicity except 
Select and explain. 
A. Hypercalcemia, B. Renal failure, C. Hypomagnesimia, D. Hyperkalemia
D: Hyperkalemia
Answer: D: Hyperkalemia 
Explanation: Hyperkalemia is the side effect of Digoxin but hypokalemia precipitates Digoxin toxicity.