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
Requirement of potassium in child is: 
Select and explain. 
A. 1-2 mEq/kg, B. 4-7 mEq/kg, C. 10-12 mEq/kg, D. 13-14 mEq/kg
A: 1-2 mEq/kg
Answer: A: 1-2 mEq/kg 
Explanation: Daily requirement of potassium in a child is 1-2 mEq/kg/day Sodium - 3 mEq/kg/day.