A bone fracture in which one fragment is driven into the cancellous bone of the other fragment is a(an)
A) complicated fracture.
B) impaction fracture.
C) spiral fracture.
D) dentate fracture.
E) greenstick fracture.

Question

Quizplus · Accepted Answer

An impaction fracture occurs when one fragment is driven into the cancellous bone of the other fragment. This is different from a complicated fracture, which involves damage to the surrounding tissue, and a spiral fracture, which has a twisting pattern. Dentate fractures and greenstick fractures are not associated with one fragment being driven into another.

A Bone Fracture in Which One Fragment Is Driven into the Cancellous