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: Dental
When a child's head is on one side, his arm and leg, of that side, will extend, while of the contralateral side will bend, name the reflex: 
Select and explain. 
A. Limb placement reflex., B. ATNR., C. Babinski reflex., D. Landau reflex.
B: ATNR.
Answer: B: ATNR. 
Explanation: None