Final answer:
Reduction is the process of realigning a broken bone, commonly referred to as alignment, and involves manually setting the bone without surgery, followed by immobilization for healing. The correct option is d.
Step-by-step explanation:
Reduction, also known as alignment, is completed to realign a bone. When a bone fractures, the ends must be put back into place; this is known as reduction.
There are two main types of reduction in orthopedic medicine: closed reduction and open reduction. Closed reduction involves the manual manipulation of a broken bone to set it back to its natural position without the need for surgery.
After the bone is aligned through a closed reduction, measures such as plaster casts or internal fixtures are used to immobilize and stabilize the bone allowing natural healing. The correct option is d.