This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
Most common cause of bleeding in children- 
Select and explain. 
A. Nose picking, B. Hypertension, C. Tumor, D. None
A: Nose picking
Answer: A: Nose picking 
Explanation: Ans. is 'a' i.e., Nose picking o Epistaxis is relatively common in children.o The most common cause of epistaxis is the mucosal maceration caused by upper respiratory infection and nose picking (trauma).o The usual site of bleeding is the anterior nasal septum, i.e., Kiesselbach ^ area (little's area)."Most common cause of epistaxis in chidren is nose picking in the little s area " -- Pediatric emergency."Habitual nose picking is an extremely common reason for anterior septal nose bleeds " -- Essential otolaryngology "The most common cause of epistaxis in the pediatric population in digital trauma" -- pediatric otolaryngology\