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
Loop diuretics acts on : 
Select and explain. 
A. PCT, B. DCT, C. Thick ascending limb of loop of Henle, D. Collecting duct
C: Thick ascending limb of loop of Henle
Answer: C: Thick ascending limb of loop of Henle 
Explanation: None