Diaphysis fracture involves?
ANSWER: (B) Long boneREF: Turek's orthopaedics: principles and their application - page 10"The diaphysis is the main or mid-section (shaft) of a long bone"Long bones are found in the extremities: the arms, legs, hands, and feet (but not the wrists or ankles). As their name indicates, long bones have a long central shaft with knobby end portionsShort bones, which are cube-shaped, are found in confined spaces such as the wrist and ankle.The ribs, shoulder blades, sternum (breastbone), pelvis (hips), and most of the bones of the skull are considered flat bones.
Skull bones
Long bone
Sternum
Ribs
Anatomy of Bone & Fracture Healing