This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Umbilical cord has 
Select and explain. 
A. 2 veins and 1 aery, B. 1 aery and 1 vein, C. 2 aeries and 1 vein, D. 2 aeries and 2 veins
C: 2 aeries and 1 vein
Answer: C: 2 aeries and 1 vein 
Explanation: This tube of amnion and the structures within it constitutes the umbilical cord.T his cord contains two umbilical aeries and one umbilical vein. REF HUMAN EMBRYOLOGY; Inderbier singh; Tenth edition; Page 67