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
Which of the following substances, actively transpoed by the tubular cells has higher tubular transpo maximum? 
Select and explain. 
A. Plasma protein, B. Hemoglobin, C. Glucose, D. Sodium
C: Glucose
Answer: C: Glucose 
Explanation: Highest transpo maximum (Tm)is for glucose -375mg/minute Ref : Ganong 25th ed/page 680