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: Unknown
Undertakers fracture- 
Select and explain. 
A. Traumatic spondylolisthesis of C1 over C2, B. Spondylolisthesis of the lower cervical spine with tearing of C6 C7 intervertebral disc, C. Burst fracture of C3, D. Spinous process fractures of lower cervical vertebrae
B: Spondylolisthesis of the lower cervical spine with tearing of C6 C7 intervertebral disc
Answer: B: Spondylolisthesis of the lower cervical spine with tearing of C6 C7 intervertebral disc 
Explanation: Ans. is 'b' i.e., Spondylolisthesis of the lower cervical spine with tearing od C6 C7 intervertebral disc o Repeat from previous sessions.