This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Surgery, Subject name: Surgery
False statement about duodenal atresia is 
Select and explain. 
A. Most common cause of neonatal intestinal obstruction ., B. In Type 2 atresia , two ends are completely separated ., C. Bilious vomiting, D. X-ray shows double bubble sign .
B: In Type 2 atresia , two ends are completely separated .
Answer: B: In Type 2 atresia , two ends are completely separated . 
Explanation: OPTION 1 : Correct Duodenum is M/C site of intestinal atresia . Duodenal atresia is M/C cause of neonatal intestinal obstruction . OPTION 2 : Incorrect Type 1 - Mucosal web (windsock deformity) Type 2 - Two ends are separated by fibrous cord . Type 3 - Complete separation of two ends . OPTION 3 : Correct Vomiting is bilious as obstruction is distal to ampulla of vater . OPTION 4 : Correct Double Bubble sign is seen in :- Annular Pancreas / Duodenal atresia