The most common mechanism of injury at the upper extremity is a fall on an outstretched hand.

• True

• False

This classification of fractures of the distal humerus usually come with complications such as gunstock deformity, peripheral nerve injuries, and Volkmann’s ischemia

• Supracondylar

• Transcondylar

• Intercondylar

• None of the above

Monteggia’s fracture is an example of a radial shaft fracture

• True

• False

The most common type of dislocation at the elbow is when only the radius is dislocated.

• True

• False

MRI is useful for early detection of osteochondritis dissecans.

• True

• False

An example of a contraindication for MRI is extensive tattoos.

• True

• False

MR Arthrography is useful at the elbow to detect tears of the collateral ligaments.

• True

• False

Residual pain and deformity is common after fractures of the elbow.

• True

• False

Positive fat pad signs are associated with hemophilia and inflammatory arthritis

• True

• False

Complications of fractures of the radial head include wrist pain, tears of the TFCC, and posttraumatic arthritis.

• True

• False