Shoulder Girdle

Question 1

For an AP internal rotation projection of the shoulder, what bony landmark will be shown in profile?

Answer 1

lesser tubercle

Question 2

A wedge-shaped compression fracture of the anterior surface of the humeral head, called the Hills-Sachs defect, is best shown in which of the following projections?

Answer 2

Rafert Modification

Question 3

Radiographs of the acromio-clavicular articulations must be performed:

a) bilaterally
b) weight-bearing and non weight-bearing
c) erect

Answer 3

all of the above

Question 4

In evaluating a radiograph of a true lateral scapula, the two structures that should be exactly superimposed are:

Answer 4

vertebral and axillary borders

Question 5

The patient is placed supine with the arm abducted to a right angle with the body. The elbow is flexed. This describes the ______ projection of the scapula.

Answer 5

AP

Question 6

What forms the superior aspect of the Y on the lateral projection of the scapula?

Answer 6

acromion and coracoid processes

Question 7

What is demonstrated in profile on the AP projection of the shoulder in external rotation?

Answer 7

greater tubercle

Question 8

When radiographing the shoulder in the inferosuperior axial projection (Lawrence Method), how should the humerus be positioned?

Answer 8

abducted 90 degrees, externally rotated

Question 9

When radiographing the acromion and coracoid processes in a lateral projection of the scapula, where should the patient’s affected arm be positioned?

a) extended above the head with forearm resting on head
b) hanging on the side in a neutral position
c) resting in the patients lap

Answer 9

none of the above

Question 10

How should the patient be positioned when performing the radiograph for possible AC joint separation?

Answer 10

upright

Question 11

What should the CR be angled if the patient cannot elevate the unaffected shoulder for a transthoracic lateral projection of the shoulder?

Answer 11

10-15 degrees

Question 12

Which anatomic part is radiographed to evaluate soft-tissue damage evidenced by increased joint separation when weights are applied to the patient’s wrists?

Answer 12

AC joints

Question 13

How should the CR be angled for the AP projection (Pearson method) of the A-C joints?

Answer 13

0 degrees

Question 14

Which projections can be used to demonstrate the clavicle?

1) AP or PA
2) AP Axial
3) PA Axial

Answer 14

1, 2, and 3

Question 15

When the patient is positioned properly for a lateral projection of the scapula, the body of the scapula will be _______.

Answer 15

perpendicular to the plane of the IR

Question 16

Which criteria are required for visualization of the greater tubercle in profile?

1) epicondyles parallel to the film
2) arm in external rotation
3) humerus in AP position

Answer 16

1, 2, and 3

Question 17

What is the correct tube angle and direction for an axial projection of the clavicle with the patient in the AP supine position?

Answer 17

15-30 degrees cephalad

Question 18

In an anterior dislocation of the humerus, when looking at the scapular Y projection,, the head of the humerus will be beneath the _______.

Answer 18

coracoid process

Question 19

In the lateral projection of the scapula, which statements are true?

1) Vertebral and axillary borders are superimposed.
2) acromion and coracoid processes are superimposed
3) Patient may be examined in the erect position

Answer 19

1 and 3 only

Question 20

Which projection best demonstrates acromioclavicular separation?

1) AP recumbent, affected shoulder
2) AP recumbent, both shoulders
3) AP Erect, affected shoulder
4) AP Erect, both shoulders

Answer 20

AP erect, both shoulders

Question 21

Where is the CR directed for an AP shoulder?

Answer 21

Perpendicular to a point 1 inch inferior to the coracoid process

Question 22

For the AP projection of the scapula, which statements are true?

1) Patient’s arm is abducted at right angles to the body
2) Patient’s elbow is flexed with the hand supinated
3) Exposure is made during quiet breathing

Answer 22

1, 2, and 3

Question 23

Where is the central ray directed for an AP projection of the scapula?

Answer 23

2 inches inferior to the coracoid process

Question 24

In a posterior dislocation of the humerus, where will the head of the humerus be located in a scapular Y projection?

Answer 24

Beneath the acromion process

Question 25

In an AP axial clavicle projection with the patient in the lordotic position, how is the CR angled?

Answer 25

0-15 degrees cephalad

Question 26

What is the respiration instruction for an AP projection of the shoulder?

Answer 26

Suspended

Question 27

What is the respiration instruction for an AP projection of the clavicle?

Answer 27

Expiration

Question 28

What is the respiration instruction for an AP axial projection of the clavicle?

Answer 28

Inspiration