Which of the following corresponds to the separation of a bone from its position at a joint?

Dislocation refers to the separation of a bone from its normal position at a joint, which can occur due to trauma, excessive force, or other injuries. When a dislocation happens, the joint is no longer properly aligned, which can lead to pain, swelling, and reduced mobility. This injury typically requires medical attention to realign the bone and may involve rehabilitation to restore function.

In contrast, a fracture refers to a break in the bone itself, either partial or complete. A sprain is an injury to a ligament, which connects bone to bone, while a strain involves an injury to a muscle or tendon, which connects muscle to bone. Each of these terms describes different types of injuries and does not encompass the specific condition of a bone being displaced at a joint, which is why dislocation is the accurate term in this context.