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: Social & Preventive Medicine
ORS required during first 4 hours in a 20 kg child? 
Select and explain. 
A. 200-400 ml, B. 400-600 ml, C. 600-800 ml, D. 1200-2200 ml
D: 1200-2200 ml
Answer: D: 1200-2200 ml 
Explanation: Ans. is 'd' i.e., 1200-2200 ml Weight between 16-29.9 kg - ORS requirment is 1200-2200 ml during first 4 hours. Guidelines for ORS therapy during first four hours Age < 4 mth 4- I 1 mths 1-2 yrs 2-4 yrs 5-14 yrs 15 yrs Weight (Kg) < 5 5-7.9 8-10.9 11-15.9 16-29.9 30 or over ORS (ml) 200-400 400-600 600-800 800-1200 1200-2200 2200-4000