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
[{'content': 'Loop of Henle handles the following ions except: \nSelect and explain. \nA. Na+, B. K+, C. CI?, D. Urea', 'role': 'user'}, {'content': "Answer: D \nExplanation: 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.", 'role': 'assistant'}]