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 building contractor suddenly complains of lower backache which increase on bending down He has 
Select and explain. 
A. Renal colic, B. Tuberculosis of spine, C. Disc prolapse, D. Fibrositis
C: Disc prolapse
Answer: C: Disc prolapse 
Explanation: C i.e. Disc prolapse