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
Glucose reabsorption occurs in the 
Select and explain. 
A. Proximal tubule., B. Loop of Henle., C. Distal tubule., D. Cortical collecting duct.
A: Proximal tubule.
Answer: A: Proximal tubule. 
Explanation: Glucose, amino acids, and bicarbonate are reabsorbed along with Na+ in the early portion of the proximal tubule.