A 14-year-old boy falls on his outstretched hand and has a fracture of the scaphoid bone. The fracture is most likely accompanied by a rupture of which of the following aeries?,
High-Yield Explanation
The scaphoid bone forms the floor of the anatomic snuffbox, through which the radial aery passes to enter the palm. The radial aery divides into the princeps pollicis aery and the deep palmar arch.