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
Daily maintenance fluid for a child weighing 24 kg is: 
Select and explain. 
A. 1000 mL/day, B. 800 mL/day, C. 1540 mL/day, D. 1580 mL/day
D: 1580 mL/day
Answer: D: 1580 mL/day 
Explanation: Fluid requirement in a child in this child weighing 24 kg is:1540 mL. For first 10 kg: 100ml/kg For next 10 kg : 50ml/kg For each kg. above 20 : 20 ml/kg (1-10 kg) 100 x 10 = 1000 mL (11-20 kg) 50 x 10 = 500 mL; For next 4 kg (21-24 kg) 20 x 4= 80 mL