This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Radiology
In cervical spondylosis the disc space narrowing is most often evident on x-ray at 
Select and explain. 
A. C3-C4, B. C4-C5, C. C5-C6, D. C6-C7
C: C5-C6
Answer: C: C5-C6 
Explanation: Cervical disk herniation is usually posterolateral near the lateral recess and interveebral foramen and is most commonly encountered at C5-C6 level.