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
[{'content': 'Osteoahritis does not involve which of the following joints? \nSelect and explain. \nA. Hip joint, B. DIP, C. Ankle joint, D. Cervical region', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Osteoahritis predominantly involves the weight-bearing joints, including the knees, hips, cervical and lumbosacral spine, and feet. Other commonly affected joints include the distal interphalangeal (DIP) and proximal interphalangeal (PIP) joints of the hands. Osteoahritis rarely affects the elbow, wrist or ankle joints.', 'role': 'assistant'}]