What is a small chip of bone that breaks away during dislocation or tendon pull called?

• A. Avulsion
• B. Fracture
• C. Comminution
• D. Dislocation

Answer: (A)

The term that describes a small chip of bone that breaks away during dislocation or tendon pull is avulsion. An avulsion occurs when the force exerted by a tendon or ligament is strong enough to detach a small piece of bone to which it is attached. This type of injury can commonly happen in sports and other physical activities, often resulting from sudden or excessive movement.

Understanding avulsion in this context helps clarify the connection between muscle or tendon stress and the resultant bony injury, emphasizing the mechanism of how such injuries occur in the body. Other types of injuries, like fractures, refer to breaks in the bone that don't necessarily involve the action of tendons or ligaments pulling away bone fragments, while dislocations pertain to joints rather than separations of bone fragments. Comminution refers to a fracture that results in multiple bone fragments, which is a different type of injury.