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
A 44-year-old man presented with acute onset of low backache radiating to the right lower limb. Examination revealed SL 
Select and explain. 
A. Prolapsed interveebral disc L4-5, B. Spondylolysis L5-S1, C. Lumbar canal stenosis, D. Spondylolisthesis L4-5
A: Prolapsed interveebral disc L4-5
Answer: A: Prolapsed interveebral disc L4-5 
Explanation: A i.e. Prolapsed interveebral disc L1-5