Pediatrics Disorders of Gastrointestinal System Including Diarrhea a0abf8b3 Amount of ORS given in a 4 kg child with diarrhea with some dehydration: A 200 mL B 300 mL C 400 mL D 800 mL High-Yield Explanation For some dehydration, amount of ORS given is 75 ml/kg = 75 x 4 = 300 ml, over 4 hours