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
Pathognomonic sign of traumatic fracture is 
Select and explain. 
A. Redness, B. Swelling, C. Crepitus, D. Tenderness
C: Crepitus
Answer: C: Crepitus 
Explanation: C i.e. Crepitus Fracture is a break in structural continuity of bone. It may be no more than a crack, a crumpling or a splintering of the coex; most often the break is complete & the bone fragments are displaced.