This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'The largest synovial joint in the body is \nSelect and explain. \nA. Shoulder joint, B. Hip joint, C. Knee joint, D. Ankle joint', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (C) Knee joint # Synovial joints (or diarthroses, or diarthroidal joints); are the most common and most moveable type of joints in the body.> As with all other joints in the body, synovial joints achieve movement at the point of contact of the articulating bones.> Structural and functional differences distinguish the synovial joints from the two other types of joints in the body, with the main structural difference being the existence of a cavity between the articulating bones and the occupation of a fluid in that cavity which a ds movement.', 'role': 'assistant'}]