This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
The most commonly dislocated joint in the child's hand is the NOT RELATED-OHO 
Select and explain. 
A. Distal interphalangeal joint, B. Proximal interphalangeal joint, C. Metacarpophalangeal joint, D. Carpometacarpal joint
C: Metacarpophalangeal joint
Answer: C: Metacarpophalangeal joint 
Explanation: Although dislocations in the hands of children are uncommon because the physes are generally weaker than the capsular and ligamentous structures, the metacarpophalangeal joint is the most commonly dislocated joint. Dislocation of the proximal interphalangeal joint is second in frequency, followed distantly by dislocation of the distal interphalangeal joint.