This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Infections of the ring finger spread to the \nSelect and explain. \nA. Radial bursa, B. Ulnar bursa, C. Mid palmar space, D. Thenar space', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Infections of the ring and middle spread into the mid palmar space. Index finger to thenar space Little finger spread to ulnar bursa and mid palmar space. Ref: Internet sources.', 'role': 'assistant'}]