This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
Apnea of prematurity is defined as sudden stoppage of breathing that lasts for 
Select and explain. 
A. 10 sec, B. 15 sec, C. 20 sec, D. 30 sec
C: 20 sec
Answer: C: 20 sec 
Explanation: Apnea of prematurity defined as sudden stoppage of breathing that lasts for 20 sec or is associated with bradycardia or cyanosisApnea of prematurity should be different from periodic breathing which is normal phenomenon is preterm neonate.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 832, 849 - 850)