This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
Maximum absorption of bicarbonate occurs at 
Select and explain. 
A. PCT, B. DCT, C. CT, D. ALH
A: PCT
Answer: A: PCT 
Explanation: About 67% of filtered, sodium, water, potassium, urea, 80% of filtered phosphate and bicarbonate, 100% of filtered glucose and amino acids are reabsorbed in PCT Ref: Ganong 25th ed/page 679