This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
The following factors contribute to hypothermia in preterm babies except 
Select and explain. 
A. Decreased subcutaneous fat and brown fat, B. Large surface area in relation to body weight, C. Less oxygen consumption, D. Increased muscular activity
D: Increased muscular activity
Answer: D: Increased muscular activity 
Explanation: Increased muscular activity generates heat. Increased physical activity(crying, increased body movements) is a compensatory mechanism to generate heat in a neonate on exposure to cold and wet environment. Reference : page 143 Ghai Essential Pediatrics 8th edition