This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
The site of action of the furosemide is 
Select and explain. 
A. Thick ascending limb of loop of Henle, B. Descending limb of loop of Henle, C. Proximal convoluted tubule, D. Distal convoluted tubule
A: Thick ascending limb of loop of Henle
Answer: A: Thick ascending limb of loop of Henle 
Explanation: Furosemide is a loop diuretic and this group of drugs act on thick ascending limb of loop of Henle