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
7 months child with 5kg weight with severe dehydration, amount of Ringer lactate to be given in first hour is? 
Select and explain. 
A. 120 mL, B. 150 mL, C. 180 mL, D. 210 mL
B: 150 mL
Answer: B: 150 mL 
Explanation: Treatment plan for a child with diarrhea and severe dehydration: (Total fluid to be given: 100 mL/Kg) Age (first) 30 mL/ Kg (Then) 70 mL/Kg < 1 year 1 hour 5 hours > 1 year 1/2 hour 2 1/2 hours So, in this paicular child with 5 Kg, 30 x 5 = 150 mL to be given in first hour.