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: Anatomy
Infection of index finger spread to 
Select and explain. 
A. Mid-palmar space, B. Radial bursa, C. Thenar space, D. Dorsum of hand
C: Thenar space
Answer: C: Thenar space 
Explanation: Infection of thumb and index finger spreads to thenar space. Infection from middle, ring and little finger spreads to midpalmar space.