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
Minimum quantity of filtered Na actually excreted is by which of the following diuretic? 
Select and explain. 
A. Furesemide, B. Thiazide, C. Amiloride, D. Acetazolamide
C: Amiloride
Answer: C: Amiloride 
Explanation: Ans. is 'c' i.e., Amiloride