Shoulder, Clavicle, AC Joints, & Scapula Positioning Multiple Choice Questions (RAD 1101)

During radiography of the clavicle, which projection is used to reduce the amount of unsharpness?

a. erect PA

b. erect oblique

c. recumbent lateral

d. recumbent oblique

a. erect PA

Radiographic images of the acromioclavicular articulations are normally performed:

1. In the decubitus position

2. Without and With the patient holding weights

3. Bilaterally

a. 1 & 2 only

b. 1 & 3 only

c. 2 & 3 only

d. 1, 2 & 3

c. 2 & 3 only

A radiographic image of the shoulder is obtained in the AP projection with internal rotation. This will place the

humerus in the:

a. anatomic position

b. AP projection

c. lateral position

d. 45° oblique position

c. lateral position

In evaluating a radiographic image of the scapula in the true lateral projection, which of the following structures should be superimposed?

a. vertebral and axillary borders

b. acromion and coracoid process

c. scapular body and axillary ribs

d. humeral head and glenoid fossa

a. vertebral and axillary borders

A radiographic image is taken on a supine patient with their arm abducted to a right angle and the elbow is flexed. This best describes:

a. AP projection of scapula

b. PA oblique projection of scapula

c. tangential projection of elbow

d. lateral position of elbow

a. AP projection of scapula

During a radiographic evaluation of the scapula in the AP projection, respiration should be:

a. suspended on full inspiration

b. suspended on full expiration

c. suspended at end of forced inspiration

d. continued with quiet breathing

d. continued with quiet breathing

In order to obtain a radiographic image of the clavicle in the PA axial projection, the CR should be directed:

a. 25° caudad

b. 25° cephalad

c. 45° caudad

d. 45° cephalad

a. 25° caudad

A radiographic image of the shoulder is obtained in the AP projection. If the patient's arm is internally rotated this

will provide a profile view of the:

a. humeral epicondyles

b. greater tuberosity

c. glenoid fossa

d. lesser tuberosity

d. lesser tuberosity

In order to visualize the glenoid fossa on a radiographic image of the humerus in the AP oblique (Grashey) projection, the patient is medially rotated:

a. 5-15 degrees

b. 25 degrees

c. 30-45 degrees

d. 60 degrees

c. 30-45 degrees

A radiographic image of the shoulder is obtained in the inferosuperior axial (Lawrence) projection. This projection

requires that the humerus be:

a. abducted 90°, internally rotated

b. fully adducted, internally rotated

c. fully adducted, externally rotated

d. abducted 90°, externally rotated

d. abducted 90°, externally rotated

There is an open joint space demonstrated between the humeral head and the glenoid cavity in which projection?

a. AP, internal rotation

b. AP, external rotation

c. AP oblique (Grashey)

d. PA oblique (Scapular Y)

c. AP oblique (Grashey)

For the scapular Y projection, the midcoronal plane forms an angle of how many degrees to the plane of the image receptor?

a. 10-20°

b. 25-30°

c. 45-60°

d. 65-70°

c. 45-60°

The proper centering point for an AP projection of the shoulder is which of the following?

a. 1" superior to the coracoid process

b. 2" superior to the coracoid process

c. 1" inferior to the coracoid process

d. 3" inferior to the coracoid process

c. 1" inferior to the coracoid process

To demonstrate the greater tubercle in profile on a projection of the humerus, the hand should be:

a. pronated

b. supinated

c. neutral

d. lateral

b. supinated

For proper visualization of the ___ articulation, it is necessary to acquire two images: one with the patient

holding 8- to 10-pound weights, one without the patient holding any weight.

a. sternoclavicular

b. acromioclavicular

c. glenohumeral

d. humeroulnar

b. acromioclavicular

When an asthenic patient is standing erect for an AP axial projection of the clavicle, the proper central ray angulation is which of the following?

a. 10° caudad

b. 10° cephalad

c. 25-30° caudad

d. 25-30° cephalad

d. 25-30° cephalad

An axial projection of the clavicle is often helpful in demonstrating a fracture not visualized using a perpendicular central ray. When examining the clavicle in the AP position, how is the central ray directed for the axial projection?

a. cephalad

b. caudad

c. medially

d. laterally

a. cephalad

For the AP projection of the scapula, the:

1. patient's arm is abducted at right angles to the body

2. patient's elbow is flexed with hand supinated

3. exposure is made during quiet breathing

a. 1 and 2 only

b. 1 and 3 only

c. 3 only

d. 1, 2, and 3

d. 1, 2, and 3

The humerus is placed in a true lateral position when the arm is in the position.

a. axial

b. supine

c. external rotation

d. internal rotation

e. neutral

d. internal rotation

With the patient supine, the arm abducted and the central ray directed horizontally through the axilla, one obtains a(an):

a. inferosuperior axial projection of the shoulder

b. infraspinatous insertion view of shoulder

c. tangential projection of the shoulder

d. none of these

a. inferosuperior axial projection of the shoulder

The transthoracic projection (Lawrence position) is useful when:

a. The patient cannot abduct the arm for an axial projection

b. There is a question of a dislocation of the shoulder joint

c. When the radiologist wishes to determine if there is a hairline fracture involving the distal end of the humerus

d. A and B

e. A, B and C

d. A and B

Two separate AP projections of the shoulder are often obtained. They are:

a. flexion and extension

b. weight bearing and non-weight bearing

c. abduction and adduction

d. internal and external rotation

d. internal and external rotation

Which of the following would be used in radiography of the shoulder for a suspected fracture when the patient

cannot abduct his arm?

a. Trendelenburg position

b. AP in external rotation

c. oblique

d. transthoracic lateral

e. axial

d. transthoracic lateral

Hemorrhage and swelling of the acromioclavicular joint capsule would be best demonstrated by which of the

following?

a. AP shoulder with the patient supine and the arm in internal rotation

b. AP shoulder with the patient supine and the arm in enteral rotation

c. inferosuperior shoulder

d. bilateral AP shoulders with the patient erect and holding weight

d. bilateral AP shoulders with the patient erect and holding weight