<prompt> A 4 kg infant with severe dehydration10 dehydration needs the following amount of intravenous fluid in the first 24 hours ?500 ml800 ml100 ml1200 ml  <response>: Ans. is a i.e., 500 ml o Initially 100 mlkg of fluid is given. o The weight of this child is 4 kg. o So, fluid required 100 x 4 400 ml. 