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
Prolapsed interveebral disc (PID) is most common at: September 2012 
Select and explain. 
A. C2-C3, B. T10-T11, C. L2-L3, D. L4-L5
D: L4-L5
Answer: D: L4-L5 
Explanation: Ans. D i.e. L4-L5