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 never reappears is – 
Select and explain. 
A. Moro's, B. Grasp, C. Snout, D. Glabellar
A: Moro's
Answer: A: Moro's 
Explanation: Moro's reflex disappear at 3-6 months and never reappears.
Grasp reflex, snout reflex, palmomental reflex and sucking reflex are normally inhibited by frontal lobe as the child grows. But these are released from inhibition in frontal lobe damage. So, these reflexes can be seen in persons with frontal lobe damage.