This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Physiology
Glucose transport occur with the help of following ion in absorption in gut region 
Select and explain. 
A. Na+, B. K+, C. Ca+, D. Cl-
A: Na+
Answer: A: Na+ 
Explanation: (Na+) (27 -K.S 4th) (318-Ganong 23rd)Sodium co-transport of glucose - Sodium co - transport of glucose occurs during absorption of glucose from the intestine and reabsorption of glucose from renal tubule