Ch. 16 - Upper Extremity

​The transthoracic position may be requested to investigate pathology of the humerus and glenohumeral joint.

• True

• False

X-ray examinations of the upper extremity and shoulder may be obtained with the patient erect, seated, or in recumbent position.​

• True

• False

When using the Stecher method, the radiographer should angle the x-ray tube 45° and direct the CR to enter the scaphoid bone. ​

• True

• False

Fractures occur when the bones on opposite sides of a joint do not line up.​

• True

• False

Most extremity and torso x-ray examinations require a minimum of a 40 inch SID.​

• True

• False

A(n) __________ is a very common injury that involves the neck of the fifth metacarpal.​

• Bennett's fracture

• ​Boxer's fracture

• ​gamekeeper's thumb

• ​avulsion

Which of the following is the shorter of the two bones of the forearm and the only bone of the two forearm bones directly involved in the wrist joint?​

• radius

• ulna

• humerus

• trochlea

​The joints found in the intermetacarpal, carpometacarpal, and intercarpal joints of the hand and wrist are examples of:

• gliding joints.

• ​hinge joints.

• ​saddle joints.

• ​ball and socket joints.

Which of the following surface landmarks indicates the proximal end of the ulna?​

• ​styloid process

• ​olecranon process

• radial head

• coracoid process

The guides that indicate the location of specific underlying anatomy and are frequently used by radiographers when positioning the patient for routine projections and positions are called:​

• anatomical positions.

• ​surface landmarks.

• ​body references.

• ​image markers.