This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joint disorders, Subject name: Anatomy
[{'content': 'Which joint is most commonly affected in pseudogout \nSelect and explain. \nA. Knee joint, B. Hip joint, C. MP joint great toe, D. MP joint thumb', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pseudogout commonly involves the larger joints Knee joint is Most commonly involved Other sites are wrist, elbow, shoulder ankle Involvement of small joints is uncommon Refer Harrison 20th/e p 2167 maheswari 9th ed', 'role': 'assistant'}]