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
The most common nerve involvement is dislocation of Lunate is - 
Select and explain. 
A. Median nerve, B. Anterior interosseus, C. Posterior interosseus, D. Ulnar nerve
A: Median nerve
Answer: A: Median nerve 
Explanation: Dislocation of carpal bones 

Dislocation of carpal bones may be of two types:-

1)  Lunate dislocation

Lunate dislocate anteriorly but the rest of the carpals remain in position.
Complications may be AVN, osteoarthritis and median nerve injury.

2)  Perilunate dislocation

The lunate remains in position and the rest of the carpals dislocate dorsally.