This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Traumatic Brain Injury, Subject name: Surgery
Signature fracture of skull is seen in - 
Select and explain. 
A. Gutter fracture, B. Depressed fracture, C. Ring fracture, D. Sutural separation
B: Depressed fracture
Answer: B: Depressed fracture 
Explanation: Ans. is 'b' i.e., Depressed fracture