Final answer:
A Colles' fracture occurs in the radius, which is a type of long bone with a shaft and two ends, and surgery to repair it is performed on this type of bone.
Correct option is A
Step-by-step explanation:
Colles' fracture repair involves the radius, a long bone distinguished by its elongated shape with a central shaft (diaphysis) and two ends (epiphyses). Specifically, the fracture occurs at the distal end within the wrist. Long bones, such as the radius, exhibit a marrow-filled diaphysis and epiphyses containing red bone marrow covered in articular cartilage. The diaphysis houses bone marrow in a marrow cavity. Surgical intervention aims to restore the integrity of the fractured radius, often involving realignment and stabilization.
This procedure addresses the unique anatomy of long bones, emphasizing their length, distinct ends, and the presence of marrow, crucial elements considered during Colles' fracture repair to ensure effective healing and restore functionality to the affected limb.