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
Apnea of newborn implies cessation of breathing for__________ 
Select and explain. 
A. > 5 sec, B. > 10 sec, C. > 15 sec, D. > 20 sec
D: > 20 sec
Answer: D: > 20 sec 
Explanation: Cessation of breathing for > 20 sec.