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: Anatomy
A child presented with evisceration of bowel loops coming out of a defect in abdominal wall right to the umbilicus The possible diagnosis is 
Select and explain. 
A. Omphabeele, B. Gastroschisis, C. umbilical hernia, D. patent urachas
B: Gastroschisis
Answer: B: Gastroschisis 
Explanation: REF : VISHRAM SINGH EMBRYOLOGY