Choose the appropriate lettered site or structure in the following radiograph of the wrist and hand. If the floor of the anatomic snuffbox and origin of the abductor pollicis brevis are damaged, which of the following bones is most likely to be involved?
(b) The scaphoid forms the floor of the anatomic snuffbox and provides a site for origin of the abductor pollicis brevis.
A
B
C
D
Upper Extremity