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: Pediatrics
The maximum urinary concentration capacity in full term neonates is : 
Select and explain. 
A. > 1000 mOsm/litre, B. 350 – 450 mOsm/litre, C. 900 – 1000 mOsm/litre, D. 600 – 700 mOsm/litre
D: 600 – 700 mOsm/litre
Answer: D: 600 – 700 mOsm/litre 
Explanation: A full term infant can concentrate his urine to a maximum of 700-800 mOsm/kg.
An older child can concentrate 1200-1400 mOsm/kg.
A newborn can dilute his urine to a minimum of 50 mOsm/kg much like an older child.