<prompt> Maintenance IV fluids per day for child weighing 10 kg: Repeat400 ml500 ml800 ml1000 ml  <response>: Ans: D 1000 mlday Ref: Nelsons Textbook of Pediatrics. 19th Edition. Explanation:The Holliday-Segar Method:In the Holliday-Segar Method, fluid and electrolyte requirements are empirically based on the caloric needs of the average hospital patient.Table 18: Radiological appearance of Different sinusesMaxillaryStatus at birthGrowthFirst radiological evidence PresentRapri growth from birth to 3 years and 7-12 years. Reaches adult size by 15 years4-5 months after birthEthmoidPresentReaches adult size by 12 years1 yearFrontalAbsentInvades frontal bone by age of 4 years and increases fill teens6 yearsSphenoidAbsentReaches sella turcca by age of 7 years, dorsum sellae by late teens and basisphenoid by adult age and reaches full size between 15 years to adult age.4 years The same formula is used for calculating calorie requirement as well as fluid requirementRelation of Body Weight to Maintenance fluidsFor each kilogram in this rangeDaily fluid requirement per kilogramFirst 1-10 kg100 mlkgdayNext 11-20 kg50 mlkgdayFor 20 kg20 mlkgdayFor 10 kg child, Maintanence fluid for 24 hours 10 x 100 1000 midayFor 15 kg child, Maintanence fluid for 24 hours 10 x 100 5x 50 1250 mldayFor 25 kg child. Maintanence fluid for 24 hours 10 x 100 lOx 50 5x 20 1600 mlday 