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: Orthopaedics
One of the common fractures that occur during boxing by hitting with a closed fist is : 
Select and explain. 
A. Monteggia fracture dislocation, B. Galeazzi fracture dislocation, C. Bennett's fracture dislocation, D. Smith's fracture
C: Bennett's fracture dislocation
Answer: C: Bennett's fracture dislocation 
Explanation: The common mechanism of injury for Benett's fracture is an axial blow directed against the partially flexed metacarpal, in most cases during 'fist fights'.