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: Physiology
Loop of Henle handles the following ions except: 
Select and explain. 
A. Na+, B. K+, C. CI?, D. Urea
D: Urea
Answer: D: Urea 
Explanation: D i.e. UreaIn the thick ascending limb, a carrier co-transpos one Na+, one K.' and 2C1-Q from the tubular lumen into the tubular cells.