This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spinal Injury, Subject name: Orthopaedics
Motorcyclist's fracture is: 
Select and explain. 
A. Stellate fracture across base of skull, B. Transverse fracture across base of skull, C. Lamina fracture of C7 veebra, D. Spinous process fracture of C7 veebra
B: Transverse fracture across base of skull
Answer: B: Transverse fracture across base of skull 
Explanation: Motor Cyclists fracture (Hinged fracture): Transverse fracture across base of skull leading to separation into anterior- posterior.