This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Which of the following is a synol joint of the condyloid variety? \nSelect and explain. \nA. First carpometacarpal joint, B. Metacarpal phalanges joint, C. Interphalangeal joint, D. Radiocarpal joint', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A condyloid joint is a modified ball and socket joint that allows primary movement within two perpendicular axes, passive or secondary movement may occur on third axes. These joints allow flexion, extension, abduction, and adduction movements (circumduction). Examples include the wrist-joint (Radiocarpal joint ) metacarpophalangeal joints metatarsophalangeal joints Carpometacarpal joint of the thumb is saddle joint', 'role': 'assistant'}]