What does a 'compound fracture' typically involve that a 'simple fracture' does not?

A compound fracture, also known as an open fracture, typically involves the bone breaking in a way that pierces through the skin, creating an open wound. This condition is inherently more serious than a simple fracture, which does not break the skin. Because of this open nature, a compound fracture often requires surgical intervention to properly clean the wound, stabilize the bone, and promote healing, which is why this option is the most accurate choice.

In contrast, while other factors like complexity or location near joints may vary in fractures, they are not the defining characteristics that differentiate compound fractures from simple ones. The critical aspect of a compound fracture is its open nature and the necessity for surgery to address potential complications such as infection or improper healing.