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 most common site for Prolapse of interveebral disc is 
Select and explain. 
A. Cervical region, B. Lower thoracic region, C. Upper thoracic region, D. Lumber region
D: Lumber region
Answer: D: Lumber region 
Explanation: D i.e. Lumbar