This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
The covering over an omphalocele is 
Select and explain. 
A. Skin, B. Amniotic membrane, C. Chorionic membrane, D. None of the above
B: Amniotic membrane
Answer: B: Amniotic membrane 
Explanation: The covering is made up of 2 layers - an outer layer of amniotic membrane & an inner layer of peritoneum.