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
A newborn with eyes closed 6 hrs after birth is lustily crying; There are no chest retraction & movements of all four limbs are present. Neonatal behavioral response grading. 
Select and explain. 
A. State 1, B. State 3, C. State 5, D. State 6
D: State 6
Answer: D: State 6 
Explanation: d. State 6(Ref: Nelson's 20/e p 63)As the neonate is lustily, (i.e. strongly) crying, his behavioral response grading is state 6 (prechtl's system)Behavioral StateDescription1Eyes closed, regular respiration, no movements (may have startle) (Quiet sleep)2Eyes closed, irregular respiration, may have small isolated/ gross movements (Active sleep)3Eyes open, regular respiration, no movement (may have small isolated movements) (Drowsy)4Eyes open, gross movements, no cry (Alert)5Fussy6Strong cry