1. A patient with carpometacarpal joint arthritis of the thumb undergoes trapezium excision and interposition arthroplasty. One year after treatment, radiographs reveal that there has been 25% subsidence of the thumb metacarpal compared with its preoperative height. This degree of subsidence will have what effect on the surgical outcome?
a- Will not affect functional outcome
b- Will result in diminished thumb motion
c- Will reult in diminished pinch strength
d- Will result in diminished grip strength
e- Will result in moderate activity-relatd pain
2. What is the most common congenital anomaly of the hand?
e- Constriction ring syndrome
3. A 25-year-old male hockey player has persistent, deep hypothenar palm pain after falling with his arm extended behind him. Plain X-rays including special views show no abnormalities. What study will provide the most cost-effective diagnosis?
a- Bone scan
c- CT scan
d- EMG study of median and ulnar nerves
e- MRI of the wrist
4. For complete amputations though the midforearm, replantation usually is not recommended if the warm ischemia time is greater than how many hours?
5. What percentage of patients who receive a steroid injection for carpal tunnel syndrome will experience at least transient releif of their symptoms?