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?
a- Symbrachydactyly
b- Camptodactyly
c- Syndactyly
d- Polydactyly
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
b- Ultrasound
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?
a- 4
b- 6
c- 8
d- 12
e- 24
5. What percentage of patients who receive a steroid injection for carpal tunnel syndrome will experience at least transient releif of their symptoms?
a- 0%
b- 20%
c- 50%
d- 80%
e- 100%