This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
Most common cause of acute intestinal obstruction in children is: 
Select and explain. 
A. Intussusception, B. Inguinal hernia, C. Volvulus, D. Internal hernia
A: Intussusception
Answer: A: Intussusception 
Explanation: Ans. (a) IntussusceptionRef: Bailey 26th edition, Page 1184* Most common cause in children: Intussuscpetion* Most common cause in adults: Adhesions