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
Which one of the following is not a cause for hyperkalemia : 
Select and explain. 
A. Digoxin, B. Potassium sparing diuretic, C. Renin angiotensin system blockers, D. Cyclosporine
A: Digoxin
Answer: A: Digoxin 
Explanation: None