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
Osseous loose bodies in the joints are common in all of the following, except - 
Select and explain. 
A. Osteochondritis dessicans, B. Osteoarthritis, C. Osteochondral fracture, D. Rheumatoid arthritis
D: Rheumatoid arthritis
Answer: D: Rheumatoid arthritis 
Explanation: Causes of loose bodies include :-


Osteoarthritis 
Osteochondritis dessicans
Osteochondral fracture (injury)           
Charcot's disease
Synovial chondromatosis


Among these, osteochondral fracture causes single loose bodies, while all other can cause multiple loose bodies, maximum by synovial chondromatosis (up to hundred’s).