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: Medicine
Charcot's joint in diabetes affects commonly - 
Select and explain. 
A. Shoulder joint, B. Knee joint, C. Hip joint, D. Tarsal joint
D: Tarsal joint
Answer: D: Tarsal joint 
Explanation: Answer- D. Tarsal joint Tabes dorsalis - Knees, hip & ankles