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
A reflex which is not present in a child at birth is – 
Select and explain. 
A. Moro's reflex, B. Symmetric tonic neck reflex, C. Crossed extensor reflex, D. Asymmetric tonic neck reflex
B: Symmetric tonic neck reflex
Answer: B: Symmetric tonic neck reflex 
Explanation: Tonic neck reflex is divided into two types

Asymmetric Tonic neck reflex
Symmetric Tonic neck reflex