简答题The predilection site of scaphoid fracture is ( ) A、Nodule B、Waist C、Proximal end D、Neck简答题Muscle prone to atrophy over time in the course of carpal tunnel syndrome is ( ) A、Thenar muscle B、Hypothenar muscle C、Interosseous muscle D、Lumbrical muscle简答题Scaphoid fracture is generally fixed for ( ) weeks. A、4~6 B、4~8 C、8~12 D、8~10简答题Distal radius fracture shows ( ) deformity when displaced dorsally. A、Claw hand B、Bayonet C、Spatula D、Forklike简答题Carpal triangular cartilage injury may present ( ) A、Phalen test positive B、Tinel test positive C、Finkelstein test positive D、Carpal ulnar compression test positive简答题The entrapped nerve in carpal tunnel syndrome is ( ) A、Radial nerve B、Ulnar nerve C、Median nerve D、Brachial plexus