This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Which carrier pump is transpoing solutes in thick ascending limb of Henle loop? \nSelect and explain. \nA. Carrier pump Na-K-2Cl transpoer., B. NaCl- cotranspoer, C. Na2+-H+ exchanger, D. Na2+-K+ exchanger', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Carrier pump Na-K-2Cl transpoer. REABSORPTION IN THICK ASCENDING LIMB: Sodium, Potassium & Chloride reabsorption: By "Secondary active transpo" - Through Na2+-K+-2Cl-- carrier transpoer. Transpos one Na2+, one K+, & two Cl-. Active sodium absorption occurs. 30% filtered Na2+ reabsorbed. Ref: Guyton 12th Ed.', 'role': 'assistant'}]