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
The complication of Colles' fracture is 
Select and explain. 
A. Radial nerve palsy, B. Stiffness of wrist joint, C. Ulnar nerve palsy, D. None of the above
B: Stiffness of wrist joint
Answer: B: Stiffness of wrist joint 
Explanation: B i.e. Stiffness of wrist