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
The largest synovial joint in the body is 
Select and explain. 
A. Shoulder joint, B. Hip joint, C. Knee joint, D. Ankle joint
C: Knee joint
Answer: C: Knee joint 
Explanation: (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.