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
Tangentially directed injury may causes: 
Select and explain. 
A. Through and through injury in scalp., B. Complex fracture., C. Horse shoe shaped fracture., D. Semicircle fracture.
C: Horse shoe shaped fracture.
Answer: C: Horse shoe shaped fracture. 
Explanation: A tangentially directed violence may secure a grip on the skull and lift it up producing a horse-shoe shaped fracture surrounding the calvarium.