This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Pediatrics
Which is not used in ORS: 
Select and explain. 
A. Sodium, B. Potassium, C. Glucose with salt, D. Glucose without salt
D: Glucose without salt
Answer: D: Glucose without salt 
Explanation: Ans: dRef: Pedia ghai, 6th ed, p. 272