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: Pediatrics
Molar concentration of oral rehydration fluid is – 
Select and explain. 
A. Sodium 30 meq, B. Potassium 20 meq, C. Bicarbonate 30 meq, D. Chloride 20 meq
B: Potassium 20 meq
Answer: B: Potassium 20 meq 
Explanation: None