Shoulder Anatomy and Radiography (Ch 4-5)

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1
What two terms correctly describe the shoulder joint?
Scapulohumeral and glenohumeral
2
Which of the following joints is considered to have a spheroidal type of movement?
  • Sternoclavicular joints
  • Acromioclavicular joints
  • Bicipital joint
  • Scapulohumeral joint
3
All of the joints of the shoulder girdle are diarthrodial.
  • True
  • False
4
The specific joint at the lateral end of the clavicle is the ______ joint.
acromioclavicular
5
Which of the following is not an angle found on the scapula?
  • Medial angle
  • Inferior angle
  • Superior angle
6
Which structure of the scapula extends most anteriorly?
  • Acromion
  • Coracoid process
  • Glenoid cavity
  • Scapular spine
7
The female clavicle is usually shorter and less curved than that of the male.
  • True
  • False
8
The female clavicle is shorter, less curved, and ______ than the male clavicle.
thinner (less robust)
9
Which bony structure separates the supraspinous and infraspinous fossae?
Scapular spine
10
What is the name of the large fossa found within the anterior surface of the scapula?
  • Infraspinous fossa
  • Glenoid fossa
  • Subscapular fossa
  • Supraspinous fossa
11
Which is the most posterior structure of the scapula?
  • Acromion
  • Coracoid process
  • Scapular notch
  • Glenoid process
12
True or False: A non-grid technique applies for adult shoulder radiography.
False. A grid technique applies for adult shoulder radiography.
13
The use of a grid during shoulder radiography will result in higher patient dose over nongrid procedures.
  • False
  • True
14
A grid is generally used when the anatomical part thickness exceeds ______.
4 inches (10 cm)
15
What is the primary purpose of using a grid for a shoulder projection?
Reduce scatter radiation reaching the IR, improving image contrast
16
Improper grid alignment can cause grid ______.
cutoff
17
What image receptor speed is used for adult shoulder radiography with analog technique?
High speed
18
What SID is used for adult shoulder radiography with analog technique?
40-44 inches
19
What kVp range is used for adult shoulder radiography?
Self test set: 70 to 80 kV / Study guide set: 70-85 kVp (high mA and short exposure time)
20
True or False: Gonadal shielding should be used for children and adults of childbearing age even though shoulder exposure is minimal.
True
21
True or False: The greatest technical concern during a pediatric shoulder study is voluntary motion.
True
22
Which modality best demonstrates osteomyelitis?
Nuclear medicine
23
Local or generalized infection of bone or bone marrow caused by bacteria introduced by trauma or surgery is a condition termed:
  • osteomyelitis
  • cellulitis
  • osteoarthritis
  • Paget's disease
24
Which imaging modality provides a functional or dynamic study of the shoulder joint?
Ultrasound
25
What is the common term for idiopathic chronic adhesive capsulitis?
  • Bursitis
  • Tendinitis
  • Bankart lesion
  • Frozen shoulder
26
An injury to the anterior inferior glenoid labrum is called a ______ lesion.
Bankart
27
Which chronic systemic disease causes arthritic inflammatory changes throughout the body?
Rheumatoid arthritis
28
Rheumatoid arthritis is three times more common in men than women.
  • False
  • True
29
In advanced destructive stages of rheumatoid arthritis, manual exposure factors should be ______.
decreased
30
One of the early signs of rheumatoid arthritis is soft tissue swelling near the ulnar styloid process.
  • False
  • True
31
Superior displacement of the distal clavicle describes which condition?
Acromioclavicular (AC) joint dislocation
32
The Hill-Sachs defect is a fracture of the articular surface of the glenoid cavity.
  • True
  • False
33
A traumatic injury to one or more muscles of the shoulder joint is called a ______.
rotator cuff tear
34
A reduction in the quantity of bone is called ______.
osteoporosis
35
Which position best demonstrates signs of impingement syndrome in the acromiohumeral space?
Apical AP axial projection
36
Which pathologic condition often produces narrowing of the joint space?
Osteoarthritis
37
What is the alternative CR centering for an AP shoulder on an obese patient if the coracoid process cannot be palpated?
2 inches below the AC joint
38
Which compensating filter balances density between the thin acromion and the dense joint on an AP shoulder?
Boomerang filter
39
Which routine shoulder projection requires the humeral epicondyles parallel to the IR?
External rotation
40
A radiograph for an AP projection with external rotation of the proximal humerus reveals that the greater tubercle is profiled laterally. What should be changed to improve this image for a repeat exposure?
  • Rotate the arm to place palm of the patient's hand against the thigh.
  • Rotate epicondyles so they are perpendicular to the image receptor.
  • Positioning is acceptable, do not repeat it.
  • Move the patient obliquely 10° to 15° toward the affected side.
41
Where is the CR centered for an AP external rotation projection of the shoulder?
1 inch inferior to the coracoid process
42
Which of the following AP shoulder projections demonstrates the lesser tubercle in profile medially?
  • Neutral rotation
  • External rotation
  • Internal rotation
  • None of the above
43
In an AP internal rotation shoulder projection, the humeral epicondyles are ______ to the IR.
perpendicular
44
Which rotation of the humerus will result in a lateral position of the proximal humerus?
  • Neutral rotation (epicondyles 45° to the image receptor)
  • None of the above
  • Internal rotation (epicondyles perpendicular to image receptor)
  • External rotation (epicondyles parallel to the image receptor)
45
In an AP neutral rotation shoulder projection, the epicondyles form what angle with the IR?
45°
46
Which AP projection of the shoulder and proximal humerus is created by placing the affected palm of the hand facing inward toward the thigh?
  • External rotation
  • Internal rotation
  • Neutral rotation
  • AP axial
47
What medial central ray (CR) angle is required for the inferosuperior axial shoulder (Lawrence method)?
  • 40° to 45°
  • 10° to 15°
  • 25° to 30°
  • 5° to 10°
48
The inferosuperior axial shoulder projection is also called the ______ method.
Lawrence
49
The inferosuperior axial projection requires the affected arm to be abducted ______ from the trunk.
90°
50
Which shoulder projection is excellent for imaging dislocations and also shows Hill-Sachs and Bankart lesions?
Inferosuperior axial projection
51
A radiograph of the inferosuperior axial projection (Lawrence method) demonstrates the acromion process of the shoulder to be located most superiorly (anteriorly).
  • False
  • True
52
Which maneuver best demonstrates a Hill-Sachs defect on the inferosuperior axial projection?
Exaggerated external rotation
53
For a Hill-Sachs defect, exaggerated external rotation has the thumb turned down at ______.
45°
54
How are the humeral epicondyles aligned for the rotational lateromedial projection of the humerus?
Perpendicular to the IR
55
The AP humerus requires that the humeral epicondyles are _____ (insert answer) to the IR.
  • slightly oblique
  • set at a 45° angle
  • perpendicular
  • parallel
56
Which of the following structures is not part of the proximal humerus?
  • Lesser tubercle
  • Intertubercular groove
  • Anatomic neck
  • Glenoid process
57
What is the name of the insertion point for the deltoid muscle located on the anterolateral surface of the humerus?
  • Surgical neck
  • Deltoid protuberance
  • Intertubercular groove
  • Deltoid tuberosity
58
Which special shoulder projection places the glenoid cavity in profile for an "open" scapulohumeral joint?
Grashey method
59
How many degrees is the patient rotated toward the affected side for the Grashey method?
35°-45°
60
Where is the CR centered for the posterior oblique position for the glenoid cavity?
  • 1 inch ( 2.5 cm) superior to the coracoid process
  • 2 inches (5 cm) medial and inferior to the superolateral border of shoulder
  • Coracoid process
  • Acromion
61
For a Grashey method projection of the shoulder, the CR is centered to the acromion.
  • False
  • True
62
A radiograph of an AP oblique projection for the glenoid cavity reveals that the anterior and posterior rims of the glenoid process are not superimposed. Which of the following modifications should produce a more acceptable image?
  • Abduct the arm slightly.
  • Increase rotation of the body.
  • Angle CR 5° to 10° cephalad.
  • Angle CR 5° to 10° caudad.
63
The primary diagnostic goal of the Grashey method is to profile the glenoid cavity and show an open ______ joint space.
scapulohumeral (glenohumeral)
64
What CR angle is required for the apical AP axial shoulder projection?
30° caudad
65
The apical AP axial projection is centered ______ superior to the coracoid process.
1/2 inch
66
For the erect tangential projection of the intertubercular sulcus, how far is the humerus angled from vertical?
10° to 15°
67
What is the major advantage of the supine tangential intertubercular sulcus projection over the erect version?
Reduced OID
68
A patient is scheduled for an arthrogram. During the course of the study, the radiologist requests a projection to demonstrate the intertubercular groove. Which one of the following projections would best demonstrate this structure?
  • Pearson method
  • Fisk modification
  • Garth method
  • Grashey method
69
Which ionization chamber(s) for the AEC should be used for a tangential projection for an intertubercular groove?
  • Left chamber
  • Center chamber
  • Both outside chambers
  • Cannot use AEC with this projection
70
Which tangential projection best demonstrates the supraspinatus outlet?
Neer method
71
Which of the following best demonstrates the coracoacromial arch?
  • Fisk method
  • Garth method
  • Neer method
  • West Point method
72
A referring physician suspects that a subacromial spur may be the cause for a patient's arm numbness. She asks the technologist for a projection that would best demonstrate any possible spurs. Which of the following projections would accomplish this objective?
  • PA scapular Y lateral with 10° to 15° cephalad angle
  • PA scapular Y lateral with 10° to 15° caudal angle
  • AP shoulder with 10° to 15° caudal angle
  • AP oblique shoulder with 45° caudal angle
73
Which of the following projections can be performed using a breathing technique?
  • AP clavicle
  • Scapular Y lateral projection
  • AP scapula
  • Inferosuperior axiolateral projection
74
An orthostatic (breathing) technique can be performed for the AP projection of the scapula.
  • False
  • True
75
Why is a slow, shallow breathing technique used for the transthoracic lateral?
It blurs the ribs and lung markings while keeping the humerus relatively sharp
76
The recommended breathing technique for the transthoracic lateral (Lawrence method) is the ______ technique.
orthostatic
77
The minimum recommended exposure time for orthostatic breathing technique is ______ seconds.
3
78
Where is the CR centered for a transthoracic lateral projection for proximal humerus?
  • 1 inch (2.5 cm) inferior to the acromion
  • Midaxilla
  • Level of the greater tubercle
  • Level of surgical neck
79
What CR angle is used for the transthoracic lateral if the patient cannot drop the unaffected shoulder?
10° to 15° cephalad
80
Which routine positioning shows the entire humerus without excessive movement of the limb?
AP and transthoracic lateral of the humerus
81
A patient enters the ED with a midshaft humeral fracture. The AP projection taken on the cart demonstrates another fracture near the surgical neck of the humerus. The patient is unable to stand or rotate the humerus because of the extent of the trauma. What other projection should be taken for this patient?
  • Apical oblique projection
  • Horizontal beam transthoracic lateral projection for humerus
  • Rotational lateral projection for humerus
  • Scapular Y lateral-AP oblique projection
82
Which projection best demonstrates scapulohumeral dislocations?
AP apical oblique axial (Garth method)
83
A neutral AP shoulder projection confirms a dislocation. What additional projection should be taken?
AP apical oblique axial (Garth method)
84
What CR angle is used for the Garth method?
45° caudad
85
The AP apical oblique axial (Garth method) requires the patient rotated ______ toward the affected side.
45° (posterior oblique)
86
A Garth method radiograph shows poor visibility of the shoulder joint, with the CR angled 45° cephalad. What went wrong?
  • Wrong direction of CR angle
  • Insufficient body rotation
  • Wrong CR centering
87
An AP apical oblique projection for an anteriorly dislocated scapulohumeral joint will project the humerus ______ (insert answer) to the glenoid cavity.
  • medial
  • superior
  • lateral
  • inferior
88
On the Garth method, a posterior dislocation is shown when the humeral head is projected ______ relative to the glenoid cavity.
superiorly
89
Which of the following shoulder positions is considered a trauma projection (can be performed safely for a possible fracture or dislocation)?
  • None of the above
  • AP projection-internal rotation
  • Inferosuperior axial (Clements modification) projection
  • AP apical oblique axial (Garth method) projection
90
Which anatomy is best demonstrated by the PA transaxillary projection (Hobbs modification)?
Scapulohumeral joint space
91
What type of CR angle is required for the superoinferior axial projection (Hobbs modification)?
  • CR is perpendicular to IR
  • 25° away from axilla
  • 10° toward shoulder
  • 5° to 15° toward axilla
92
PA transaxillary (Hobbs modification) requires a 5° to 15° CR cephalic angle.
  • False
  • True
93
The PA transaxillary projection (Hobbs modification) is performed to rule out possible shoulder dislocation.
  • False
  • True
94
When is the Hobbs modification used?
To demonstrate the shoulder joint when standard positioning is difficult
95
A patient cannot stand and a Hobbs modification is needed. What should be done?
Perform the projection with the patient's upper chest prone on the table
96
How much is the patient rotated from the PA position toward the affected side in the PA transaxillary (Modified Bernageau) projection?
70°
97
What is the CR angle for the PA transaxillary (Modified Bernageau) projection?
30° caudad
98
Which transaxillary modification places the patient in lateral recumbent with the affected arm elevated?
Clements modification
99
The inferosuperior axial projection (Clements modification) requires a CR angle of ____ (insert answer) toward axilla if a patient cannot fully abduct extremity 90°.
  • 35°
  • 40° to 45°
  • none
  • 5° to 15°
100
Which anatomy is best demonstrated by the Alexander method?
AC joints
101
Which injury must be ruled out before the weight-bearing phase of an AC joint study?
Fractured clavicle
102
What is the minimum weight a large adult should have strapped to each wrist for an AC joint weight-bearing study?
8 to 10 lbs
103
Where must weights be attached during a weighted bilateral AC joint study (Pearson method)?
To the wrists
104
Holding weights in the hands during an AC joint study is contraindicated because muscle contraction can prevent demonstration of ______.
AC joint separation
105
Which routine should be used for a patient with a possible right shoulder separation?
Acromioclavicular joint series: non-weight-bearing and weight-bearing projections
106
Where is the CR centered for the bilateral acromioclavicular (AC) joint projection on a single 14- x(by) 17-inch (35 × 43 cm) image receptor?
  • 1 inch (2.5 cm) above jugular notch
  • At the level of the thyroid cartilage
  • At the affected AC joint
  • At the sternal angle
107
The recommended SID for AC joints is 72 inches (183 cm).
  • False
  • True
108
Why is a 72-inch SID used for AC joint imaging?
The longer SID reduces magnification and beam divergence
109
What CR angulation range is used for an AP axial clavicle?
15° to 30° cephalad
110
What CR angle range is used for an AP axial clavicle on an asthenic patient?
25° to 30° cephalad
111
On an asthenic patient the clavicle projects in the lung field below the top of the shoulder with a 15° cephalad CR. What should be done on repeat?
Increase CR angulation
112
What breathing instruction is given for an AP axial clavicle?
Suspend at the end of full inhalation
113
Which two positioning landmarks are aligned perpendicular to the IR for the lateral scapula projection?
Superior angle and AC joints
114
How should the arm be positioned for an AP scapula to move the lateral border away from the thorax?
Abducted 90° with the hand supinated
115
A patient enters the ED with a possible bony defect of the midwing area of the scapula. The patient is able to stand and move the upper limb freely. In addition to the routine AP scapula projection with the arm abducted, which of the following would best demonstrate the involved area?
  • Take a transthoracic lateral projection of the shoulder region.
  • Have the patient reach across the chest and grasp the opposite shoulder for a lateral scapula projection.
  • Have the patient drop the affected arm behind him or her and take a lateral scapula projection.
  • Take an apical oblique projection of the shoulder.
116
How many bones are in each hand and wrist?
27
117
The upper limb consists of four groups. What are they?
Hand/wrist, forearm, arm (humerus), shoulder girdle
118
How many phalanges are in each hand?
14
119
How many metacarpals are in each hand?
5
120
How many carpals are in each hand?
8
121
What are the most distal bones of the hand?
The phalanges
122
Each finger or thumb is called a ______.
digit
123
True or False: Each digit has three phalanges, except the thumb, which has only proximal and distal phalanges.
True
124
Each phalanx has a rounded distal ______, a body (shaft), and an expanded proximal base.
head
125
The radiographic criteria for a true lateral finger indicate equal concavity of the anterior and posterior aspects of the phalanges.
  • False
  • True
126
A metacarpal shaft is ______ on its anterior surface and ______ on its posterior (dorsal) surface.
concave | convex
127
The thumb has only two phalanges, so the joint between them is the ______ joint.
interphalangeal (IP)
128
Which joint of the thumb must be included in a thumb image?
The metacarpophalangeal (MCP) joint
129
The metacarpals articulate with the phalanges at their ______ ends and with the carpals at their ______ ends.
distal (MCP) | proximal (CMC)
130
The joint found between the base of the third metacarpal and carpal bone is the:
  • carpometacarpal
  • proximal metacarpophalangeal
  • intercarpal
  • interphalangeal
131
The first metacarpal articulates with the ______ carpal.
trapezium
132
The second metacarpal articulates with the ______ carpal.
trapezoid
133
The third metacarpal articulates with the ______ carpal.
capitate
134
Which carpal articulates with both the fourth and fifth metacarpals?
  • Hamate
  • Triquetrum
  • Trapezoid
  • Capitate
135
List the four proximal row carpals from lateral to medial.
Scaphoid, lunate, triquetrum, pisiform
136
List the four distal row carpals from lateral to medial.
Trapezium, trapezoid, capitate, hamate
137
The boat-shaped carpal, largest in the proximal row, that articulates with the radius is the ______.
scaphoid
138
Which carpal bone is most frequently fractured?
Scaphoid
139
Which of the following carpals articulates with the radius?
  • Triquetrum
  • Pisiform
  • Hamate
  • Scaphoid
140
The moon-shaped carpal with a deep concavity on its distal side where it articulates with the capitate is the ______.
lunate
141
Which carpal has a pyramidal shape, three articular surfaces, and anterior articulation with the pisiform?
Triquetrum
142
Which carpal bone is the smallest?
  • Capitate
  • Hamate
  • Pisiform
  • Scaphoid
143
The pisiform articulates only with the ______.
triquetrum
144
Name all eight carpal bones in order.
Scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate
145
What mnemonic helps recall the eight carpal bones?
Some lovers try positions that they can't handle
146
Which of the carpal bones is considered to be the largest?
  • Triquetrum
  • Capitate
  • Trapezium
  • Hamate
147
The hooklike process projecting from the palmar surface of the hamate is the ______.
hamulus (hamular process)
148
Which carpals are best demonstrated on the carpal sulcus view?
Pisiform and hamulus
149
The scaphoid articulates with which five bones?
Radius, trapezium, trapezoid, capitate, lunate
150
The lunate articulates with which five bones?
Radius, scaphoid, triquetrum, capitate, hamate
151
The head of the radius is located at the ______ end near the elbow joint.
proximal
152
The head of the ulna is located at the ______ end near the wrist.
distal
153
The ______ is the shorter forearm bone and the only one directly involved with the wrist joint.
radius
154
The styloid processes of the radius and ulna are located at their ______ ends.
distal
155
Which of the following structures is considered to be most distal?
  • Radial tuberosity
  • Styloid process
  • Capitulum
  • Radial head
156
Which of the following structures is considered to be most proximal?
  • Radial tuberosity
  • Head of ulna
  • Coronoid process
  • Olecranon process
157
Which of the following structures is considered to be most lateral?
  • Coronoid tubercle
  • Capitulum
  • Proximal radioulnar joint
  • Trochlea
158
Which one of the following structures is not part of the ulna?
  • Ulnar notch
  • Radial notch
  • Styloid process
  • Coronoid tubercle
159
Which two structures form the distal radioulnar joint?
Ulnar notch and head of ulna
160
Which two parts make up the articular portion of the distal humeral condyle?
Trochlea and capitulum
161
The trochlea is located medially and articulates with the ______.
ulna
162
The capitulum is located laterally and articulates with the ______.
head of the radius
163
What are the two small depressions on the anterior aspect of the distal humerus?
Radial fossa and coronoid fossa
164
Which two structures primarily form the hinge-like structure and movement of the elbow joint?
  • Coronoid process and coronoid fossa
  • Capitulum and trochlea
  • Coronoid fossa and trochlea
  • Trochlea and olecranon process
165
The olecranon process is the projection at the upper end of the ulna that forms the ______.
bony point of the elbow
166
The interphalangeal joints have a(n) ____ (insert answer) type of joint movement.
  • ellipsoidal
  • ginglymus
  • plane
  • sellar
167
The second through fifth metacarpophalangeal (MCP) joints are classified as ______ joints.
ellipsoidal (condyloid)
168
An ellipsoidal joint allows movement in ____ (insert answer) directions.
  • six
  • four
  • two
  • all
169
The first carpometacarpal (CMC) joint of the thumb is classified as a ______ joint.
saddle (sellar)
170
The second through fifth CMC joints and the intercarpal joints are classified as ______ joints.
plane (gliding)
171
The radiocarpal (wrist) joint possesses a(n) ____ (insert answer) type of joint movement.
  • ellipsoidal
  • plane
  • ginglymus
  • trochoidal
172
The proximal radioulnar joint is classified as a ______ joint.
pivot (trochoidal)
173
Why is the wrist joint called the radiocarpal joint?
Of the two forearm bones only the radius articulates directly with the scaphoid and lunate
174
Which structure fans out from the ulnar styloid process to attach to the triquetrum and pisiform?
Ulnar collateral ligament
175
The radial collateral ligament extends from the radial styloid process primarily to the ______ side of the scaphoid.
lateral
176
Which wrist deviation best shows the scaphoid?
Ulnar deviation
177
Which special projection of the wrist will open up the interspaces on the ulnar side of the wrist?
  • Carpal canal
  • Carpal bridge
  • Radial deviation
  • Ulnar deviation
178
The forearm should be imaged in an AP (supinated) projection because in pronation the radius and ulna ______.
cross over (superimpose)
179
In pronation (PA forearm), the radius crosses over the ulna at which part of the ulna?
Upper third
180
In AP elbow projections, lateral rotation ______ the radius and ulna, while medial rotation ______ them.
separates | superimposes
181
Which AP elbow position shows the radial head, neck, and tuberosity free of ulnar superimposition?
AP oblique with 45° lateral (external) rotation
182
What does the medial (internal rotation) oblique elbow best demonstrate?
Coronoid process of the ulna and trochlea in profile
183
A radiograph of the elbow demonstrates the radius directly superimposed over the ulna and the coronoid process in profile. Which projection of the elbow has been performed?
  • Lateral
  • Lateral rotation oblique
  • Medial rotation oblique
  • AP
184
How much rotation of the humeral epicondyles is required for the AP medial oblique projection of the elbow?
  • 45°
  • 90°
  • 30°
  • 20°
185
A radiograph of an AP oblique elbow with medial rotation reveals that the radial head is superimposed over part of the coronoid process. What positioning error has been committed?
  • Flexion of the elbow
  • Incorrect CR angulation
  • Excessive lateral rotation
  • Excessive medial rotation
186
What does the lateral (external rotation) oblique elbow best demonstrate?
Radial head and neck and capitulum of the humerus
187
Which routine projection of the elbow best demonstrates the olecranon process in profile?
  • Lateral rotation oblique
  • AP
  • Medial rotation oblique
  • Lateral
188
Which basic projection of the elbow best demonstrates the trochlear notch in profile?
  • Lateral rotation oblique
  • Medial rotation oblique
  • AP
  • Lateral
189
How should the humeral epicondyles be aligned for a lateral projection of the elbow?
  • 30° to image receptor
  • Parallel to image receptor
  • Perpendicular to image receptor
  • 45° to image receptor
190
On a true lateral elbow flexed at 90°, which structure forms the smallest (innermost) of the three concentric arcs?
Trochlear sulcus
191
The smooth, depressed, center portion of the trochlea used for evaluating rotation on a lateral elbow is termed the trochlear:
  • depression
  • fossa
  • process
  • sulcus
192
On a true lateral elbow, the intermediate concentric arc is formed by the double ridge of the ______ and ______.
capitulum | trochlea
193
On a true lateral elbow, which structure forms the outermost concentric arc?
Trochlear notch of the ulna
194
Which two views are obtained in the Jones method for an elbow locked in acute flexion?
One with the CR perpendicular to the humerus and one with the CR perpendicular to the forearm
195
What is the proper name for the acute flexion elbow projection?
  • Jones method
  • Gaynor-Hart method
  • Modified Stecher method
  • Coyle method
196
What is the purpose of performing the AP partially flexed projections of the elbow?
  • To provide an AP perspective if patient cannot fully extend elbow
  • To demonstrate any possible elevated fat pads
  • To separate the radial head from the ulna
  • To provide a view of the radial head and capitulum
197
A patient enters the ED in severe pain with a possible dislocation of the elbow. The patient has the elbow flexed more than 90°. Which one of the following routines should be performed to confirm the diagnosis?
  • Coyle method and limited lateral projection
  • Jones method and limited lateral projection
  • Partially flexed AP and limited lateral projections
  • Lateral elbow only
198
The trauma axial lateral elbow technique is called the ______ method.
Coyle
199
With the radial head projections, what is the only difference between the four projections?
  • The position of the hand and/or wrist
  • The SID used for each projection
  • The CR angulation
  • The amount of flexion of the elbow
200
In the Coyle method for the radial head, the elbow is flexed ______ and the CR is angled 45° ______.
90° | toward the shoulder
201
In the Coyle method for the coronoid process, the elbow is flexed ______ and the CR is angled 45° ______.
80° (Study guide set: 80°-90°) | away from the shoulder
202
A young child comes to radiology with an elbow injury. The basic elbow projections demonstrate a possible nondisplaced fracture of the coronoid process. Beyond the medial oblique projection, what additional projection(s) can be performed to demonstrate the coronoid process in profile?
  • Coyle method with 45° CR angle away from shoulder
  • Coyle method with 45° CR angle toward shoulder
  • Radial head lateral projections
  • Acute flexion projection
203
Which fat pads are in the elbow?
Anterior, posterior, and supinator
204
Which fat stripes are in the wrist?
Scaphoid and pronator
205
True or False: Displacement or absence of a fat pad may be the only indicator of a fracture or injury within a joint.
True
206
The scaphoid fat stripe is seen on the ______ images.
PA and oblique
207
Displacement or obliteration of the scaphoid fat stripe indicates a fracture of the ______.
radial aspect of the wrist (scaphoid)
208
The pronator fat stripe is seen on the ______ view, about 1/4 inch (1 cm) anterior to the distal radius.
lateral wrist
209
The three elbow fat pads can only be seen on which view?
Lateral
210
An elevated, teardrop-shaped anterior fat pad on a lateral elbow is called the ______ sign.
sail
211
Visualization of the posterior fat pad on a 90° lateral elbow is a reliable indicator of ______.
joint pathology or effusion
212
A nonvisible posterior fat pad on a well-exposed, correctly positioned lateral elbow radiograph generally suggests:
  • injury to the synovial joint.
  • negative study for injury.
  • fracture of one of the bones of the elbow.
  • a congenital defect.
213
Extending the elbow past 90° on a lateral can cause false visualization of which fat pad?
Posterior fat pad
214
Displacement or blurring of the supinator fat stripe suggests an occult fracture of the ______.
radial head or neck
215
How much should kVp or mA be increased for a small to medium plaster cast?
5 to 7 kVp, or increase mA by 50-60%
216
How much should kVp or mA be increased for a large plaster cast?
8 to 10 kVp, or increase mA by 100%
217
How much should kVp or mA be increased for a fiberglass cast?
3 to 4 kVp, or increase mA by 25-30%
218
True or False: Arthrography requires contrast.
True
219
Nuclear medicine assesses the ______ aspect instead of the anatomic aspect.
physiologic
220
A fracture and dislocation of the posterior lip of the distal radius involving the wrist joint is a ______ fracture.
Barton
221
A fracture of the base of the first metacarpal extending into the CMC joint with posterior displacement is a ______ fracture.
Bennett
222
A patient enters the ED with a possible Bennett's fracture. Which of the following routines should be performed to confirm this diagnosis?
  • Wrist
  • Finger
  • Forearm
  • Thumb
223
A transverse fracture through the metacarpal neck, most commonly the fifth, is a ______ fracture.
Boxer
224
A transverse fracture of the distal radius with the distal fragment displaced posteriorly is a ______ fracture.
Colles
225
A transverse fracture of the distal radius with the distal fragment displaced anteriorly is a ______ fracture.
Smith (reverse Colles)
226
What is the difference between a Colles fracture and a Smith fracture?
A Colles fracture has posterior (dorsal) displacement of the distal radial fragment, whereas a Smith fracture has anterior (volar) displacement.
227
A "skier's thumb" is an injury of the:
  • trapezium
  • pronator fat stripe
  • scaphoid
  • ulnar collateral ligament
228
A patient comes to radiology with a possible tear of the ulnar collateral ligament of the wrist. The patient complains of discomfort near the thumb region. Basic thumb projections do not demonstrate any type of fracture or dislocation. Which one of the following projections can be performed to confirm an injury to the ulnar collateral ligament?
  • Modified Robert's method
  • Gaynor-Hart method
  • Folio method
  • Norgaard method
229
The Folio method requires a bilateral projection of the thumbs be taken with one single exposure.
  • False
  • True
230
In the Folio method, the stress view of the thumbs is taken in which projection?
Study guide set: AP stress / Cram set: bilateral PA stress
231
On a bilateral clenched-fist PA wrist, scapholunate interspace widening of ______ indicates a ligament tear.
3-4 mm or more
232
Which projection is used for suspected rheumatoid arthritis with soft tissue swelling near the ulnar styloid?
Norgaard method ("ball catcher's position")
233
How much rotation of the hands is required for the AP oblique bilateral (Norgaard method) hand projection?
  • 20°
  • 30° to 35°
  • 5° to 10°
  • 45°
234
Where is the CR centered for the Norgaard method?
Level of the 5th MCP joint
235
Which projection is used for early detection of rheumatoid arthritis erosions at the metacarpal heads?
Brewerton method (AP axial hand)
236
In the Brewerton method, the hand dorsum is elevated ______ from the IR and the CR is angled ______ proximally.
65° | 15°
237
Where is the CR centered for the Brewerton method?
Third MCP joint
238
A chronic disorder of bone remodeling producing enlarged, weakened, misshapen bones is called ______ disease.
Paget
239
What is the radiographic appearance of Paget disease?
Cotton wool appearance (mixed sclerotic areas and cortical thickening with radiolucent lesions)
240
What exposure adjustment is required during the sclerotic repair stage of Paget disease?
Increase manual exposure factors
241
Degenerative joint disease with articular cartilage breakdown, osteophytes, and joint-space narrowing is ______.
osteoarthritis (the most common form)
242
A bacterial infection of the skin and subcutaneous soft tissues causing redness, swelling, warmth, and tenderness is ______.
cellulitis
243
Which modality can demonstrate cellulitis?
Nuclear medicine
244
Which one of the following is the most common primary malignant bone tumor?
  • Osteochondroma
  • Multiple myeloma
  • Osteocarcinoma
  • Osteosarcoma
245
Multiple "punched-out" radiolucent osteolytic lesions on a skeletal survey are characteristic of ______.
multiple myeloma
246
Osteopetrosis ("marble bone") requires what change in manual exposure factors?
Increase
247
An osteochondroma is a benign bone tumor that points ______ the adjacent joint.
away from
248
Which benign cartilaginous tumor appears as a well-demarcated radiolucent lesion with a thin cortex in the small bones of the hands or feet?
Enchondroma
249
A general positioning rule is to place the long axis of the part ____ (insert answer) to the long axis of the image receptor.
  • parallel
  • perpendicular
  • axial
  • adjacent
250
Where is the CR centered for a PA projection of the hand?
  • At the base of the third metacarpal
  • At the third distal interphalangeal joint
  • At the third metacarpophalangeal joint
  • At the third proximal interphalangeal joint
251
A radiograph of a PA projection of the hand reveals that the distal radius and ulna and the carpals were cut off. What should the technologist do to correct this problem?
  • Repeat the PA projection to include all the carpals and about 1 inch (2.5 cm) of the distal radius and ulna.
  • Accept the radiograph. Carpals and distal radius and ulna are not part of a hand study.
  • Make sure the carpals, distal radius, and ulna are included on the lateral projection.
  • If the injury to the patient did not involve the carpal region and distal forearm, do not repeat it.
252
Where is the central ray (CR) placed for a PA projection of the third digit?
  • At the metacarpophalangeal joint
  • At the distal interphalangeal joint
  • At the proximal interphalangeal joint
  • At the head of the third metacarpal
253
From a pronated position, which of the following is required for a PA oblique projection of the fourth digit of the hand?
  • 45° lateral rotation
  • 30° to 35° lateral rotation
  • 45° medial rotation
  • 30° to 35° medial rotation
254
Why is it important to keep the phalanges parallel to the IR for a PA oblique projection of the hand?
  • Demonstrates the sesamoid bones near the first interphalangeal joint
  • Prevents foreshortening of radiocarpal joint
  • Opens up the carpometacarpal joints
  • Prevents foreshortening of phalanges and obscuring of interphalangeal joints
255
A radiograph of a PA oblique of the hand reveals that the midaspect of the fourth and fifth metacarpals is superimposed. What specific positioning error has been committed?
  • Insufficient rotation of the hand and/or wrist
  • Incorrect CR angulation
  • Excessive rotation of the hand and/or wrist
  • Fingers of the hand are not parallel to IR
256
Where is the CR directed for AP, PA oblique, and lateral projections of the thumb?
Perpendicular to the first MCP joint
257
Which lateral hand projection is preferred for evaluating phalanges without superimposition?
"Fan" lateral hand
258
Where is the CR centered for the "fan" lateral hand projection?
Perpendicular to the second MCP joint
259
Which lateral hand projection shows anterior or posterior metacarpal fracture displacement and foreign body localization?
Lateral hand in extension
260
Which projection best demonstrates pathology involving the first carpometacarpal joint?
  • anteroposterior (AP) thumb, modified Robert's method
  • Norgaard method
  • PA oblique thumb
  • PA scaphoid, ulnar deviation wrist projection
261
What CR angle is required with the modified Robert's method?
  • 20° distally (away from the wrist)
  • 5° proximally (toward the wrist)
  • 10° distally (away from the wrist)
  • 15° proximally (toward the wrist)
262
Where is the CR centered for the Modified Robert method?
Cram set: first CMC joint / Study guide set: first MCP joint
263
In the Modified Robert method the ______ aspect of the thumb rests on the IR with the arm rotated internally.
posterior
264
The Modified Robert method is used to show which fracture?
Bennett fracture
265
What CR angle and centering are used for the PA axial wrist with ulnar deviation?
10° to 15° proximally (toward the elbow), centered to the scaphoid
266
Why is a PA wrist with ulnar deviation performed?
To open the radial carpal interspaces and elongate the scaphoid without foreshortening
267
A patient enters the ED with a possible scaphoid fracture. The patient is unable to assume the ulnar deviation position. Which of the following positions should be performed to confirm the diagnosis?
  • Jones
  • Coyle
  • Gaynor-Hart
  • Modified Stecher
268
The Modified Stecher method elevates the hand and wrist on a ______ angle sponge to elongate and isolate the scaphoid.
20° (Quiz: used when the patient cannot ulnar deviate / Cram set: performed with ulnar deviation)
269
A radiograph of the PA scaphoid projection reveals extensive superimposition of the scaphoid and adjacent carpals. Which of the following factors can lead to this problem?
  • Insufficient CR angle distally
  • Slight flexion of the phalanges
  • Elevation of the hand and wrist
  • Insufficient ulnar deviation
270
The tangential inferosuperior carpal canal projection is also called the ______ method.
Gaynor-Hart
271
How much CR angulation to the long axis of the hand is required for the tangential, inferosuperior projection to demonstrate the carpal sulcus (canal)?
  • 5° to 10°
  • 25° to 30°
  • 10° to 15°
  • 35° to 45°
272
For the Gaynor-Hart method, the CR is centered 1 inch distal to the ______.
base of the third metacarpal
273
A patient with a history of carpal tunnel syndrome comes to radiology. The physician wants to rule out abnormal calcifications in the carpal sulcus. Which of the following projections would best demonstrate this region?
  • Carpal bridge
  • Coyle method
  • Jones method
  • Gaynor-Hart method
274
A radiograph of a tangential, inferosuperior projection of the carpal canal reveals that the hamate is superimposed over the pisiform. Which of the following measures will correct this problem?
  • Decrease the CR angle.
  • Rotate the wrist and hand 10° internally.
  • Increase the CR angle.
  • Increase the extension of the hand and/or wrist.
275
Carpal tunnel syndrome is more common in middle-aged women than in middle-aged men.
  • False
  • True
276
The tangential carpal bridge projection directs the CR ______ distally to the forearm axis.
45°
277
The tangential carpal bridge CR is centered ______ proximal to the wrist joint.
1 1/2 inches
278
Which of the following projections of the wrist will best demonstrate the wrist joint and intercarpal spaces if the patient can assume this position?
  • Gaynor-Hart
  • PA
  • AP
  • 30° PA oblique
279
Which structural classification applies to the scapula?
Flat (triangular) bone
280
The inferior angle of the scapula is at the level of which vertebra?
T7
281
Which area of the proximal humerus is a frequent fracture site requiring surgery?
Surgical neck
282
What is the most common cause of axillary nerve injury?
Surgical neck fracture of the humerus
283
Which joint is the only true bony union between the trunk and the upper extremity?
Sternoclavicular (SC) joint
284
What is the movement classification of the acromioclavicular (AC) joint?
Plane (gliding)
285
Where is the clavicle most commonly fractured?
Middle third
286
What is the passageway for the suprascapular nerve?
Scapular notch
287
A posterior dislocation of the shoulder occurs more frequently than an anterior dislocation.
  • False
  • True
288
Approximately ______ percent of shoulder joint dislocations occur anteriorly.
95
289
What is the purpose of the scapular Y projection?
Shoulder dislocations and proximal humerus fractures
290
How much is the patient rotated from the IR for the PA oblique (scapular Y lateral) projection?
45° to 60°
291
How much CR angulation should be used for a scapular Y projection?
  • 20° to 30°
  • 10° to 15°
  • No CR angle should be used.
  • 35° to 45°
292
A radiograph of a scapular Y lateral position reveals that the scapula is slightly rotated (the vertebral and axillary borders are not superimposed). The axillary border of the scapula is determined to be more lateral compared with the vertebral border. Which of the following modifications should be made for the repeat exposure?
  • Decrease CR angle.
  • Increase rotation of thorax.
  • Abduct the arm more and flex it at the elbow.
  • Decrease rotation of thorax.
293
On a scapular Y lateral, an anterior dislocation shows the humeral head inferior to the ______.
coracoid process
294
On a scapular Y lateral, a humeral head inferior to the acromion process indicates a ______ dislocation.
posterior
295
A patient enters the ED with multiple injuries. The physician is concerned about a dislocation of the left proximal humerus. The patient is unable to stand. Which of the following routines is advisable to best demonstrate this condition?
  • AP shoulder and Neer projection
  • AP shoulder and inferosuperior axiolateral projection
  • AP shoulder and recumbent AP oblique scapular Y projection
  • AP shoulder and 35° to 45° LPO position (Grashey method)
296
What are the three views for shoulder trauma?
Transthoracic lateral, scapular Y, inferosuperior axial
297
What three AP rotation projections are listed in the routine shoulder exam?
AP external, AP internal, AP neutral
298
What two projections make up the routine humerus?
AP humerus and lateral humerus
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