This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax- wall and Bronchopulmonary segment, Subject name: Anatomy
[{'content': 'Which of the following is not true regarding development of inferior vena cava? \nSelect and explain. \nA. Hepatic poion is formed by right vitelline vein, B. Infra renal poion by supra cardinal vein, C. Renal & supra renal poion by sub cardinal vein, D. Beginning of IVC by anterior cardinal vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: DEVELOPMENT OF VENOUS DRAINAGE : Beginning of IVC is by posterior cardinal vein. Renal & supra renal poion formed by sub cardinal vein Infra renal poion formed by supra cardinal vein Hepatic poion is formed by right vitelline vein Anterior cardinal vein forms SVC', 'role': 'assistant'}]