Radiologic Procedures Final Exam
(Answered) 71Q&A. 2025/2026, 100%
Verified.
What is the central ray for a PA projection of the finger?
Perpendicular to the PIP joint of the affected digit
Which surface of the hand is on the table for a LATERAL projection of the 2nd or 3rd finger?
The Lateral Surface of the hand (radial surface)
Which surface of the hand is on the table for a LATERAL projection of the 4th or 5th digit?
The Medial Surface of the hand (ulnar surface)
What degree of obliquity is used for a PA Oblique projection of the finger?
45 degrees (laterally)
How do you rotate the hand for an AP projection of the thumb?
Extreme medial rotation
What is the centering point for AP, Lateral, and Oblique Projections of the thumb?
Centered at the MCP joint of the thumb
True or False? For a PA Oblique Projection of the thumb, placing the hand in natural PA position will
give the thumb the desired amount of obliquity?
True
Where do you center during a PA Projection of the hand?
Perpendicular to the 3rd MCP joint
What is the degree of obliquity for a PA Oblique Projection of the hand?
45 Degrees
For a PA Oblique Projection of the hand, what is the direction of rotation?
Lateral Rotation
What is the centering point for the lateral projection of the hand?
Perpendicular to the 2nd MCP joint
What is another name for the AP Oblique Projection of the hand (Norgaard Method)
Ball catcher's position
True or False? The shoulder, elbow, and wrist joints do NOT need to be placed in the same plane for
a PA projection of the wrist?
, False
What is the centering point for the PA projection of the wrist?
Perpendicular to the midcarpal area
Where do you center for a PA projection of the wrist when the wrist is in ulnar deviation?
Perpendicular to the scaphoid
What is the method name of a Tangential Projection of the Carpal Canal?
Gaynor-Hart Method
How much does the elbow need to be flexed for a lateral projection of the forearm?
90 degrees
For a lateral projection of the forearm and elbow, is the line through the humeral epicondyles
parallel or perpendicular with the IR?
Perpendicular
What is the degree of obliquity for an AP Oblique projection of the elbow?
45 degrees
For an AP projection of the humerus, the plane through the epicondyles is ______________ to the
IR?
Parallel
For a lateral projection of the humerus, the lesser tubercle is in profile on the _________ aspect,
while the greater tubercle is superimposed over the humeral head?
Medial
What are the 3 types of rotation for an AP projection of the shoulder?
External, neutral, and internal
Where do you center for an AP projection of the shoulder?
1 inch inferior to the coracoid process
What is the degree of obliquity for an AP Oblique Projection of the shoulder (Grashey Method)?
35-45 degrees towards the affected side
Where is the central ray directed for an AP Oblique Projection of the shoulder?
2 inches medial and 2 inches inferior to the superolateral border of the shoulder
What should be shown on an AP Oblique Projection of the shoulder?
Glenoid cavity in profile; open joint space between the humeral head and the glenoid cavity
Where do you center for a Transthoracic Lateral projection of the shoulder?
Perpendicular; entering the midcoronal plane at the level of the surgical neck
(Answered) 71Q&A. 2025/2026, 100%
Verified.
What is the central ray for a PA projection of the finger?
Perpendicular to the PIP joint of the affected digit
Which surface of the hand is on the table for a LATERAL projection of the 2nd or 3rd finger?
The Lateral Surface of the hand (radial surface)
Which surface of the hand is on the table for a LATERAL projection of the 4th or 5th digit?
The Medial Surface of the hand (ulnar surface)
What degree of obliquity is used for a PA Oblique projection of the finger?
45 degrees (laterally)
How do you rotate the hand for an AP projection of the thumb?
Extreme medial rotation
What is the centering point for AP, Lateral, and Oblique Projections of the thumb?
Centered at the MCP joint of the thumb
True or False? For a PA Oblique Projection of the thumb, placing the hand in natural PA position will
give the thumb the desired amount of obliquity?
True
Where do you center during a PA Projection of the hand?
Perpendicular to the 3rd MCP joint
What is the degree of obliquity for a PA Oblique Projection of the hand?
45 Degrees
For a PA Oblique Projection of the hand, what is the direction of rotation?
Lateral Rotation
What is the centering point for the lateral projection of the hand?
Perpendicular to the 2nd MCP joint
What is another name for the AP Oblique Projection of the hand (Norgaard Method)
Ball catcher's position
True or False? The shoulder, elbow, and wrist joints do NOT need to be placed in the same plane for
a PA projection of the wrist?
, False
What is the centering point for the PA projection of the wrist?
Perpendicular to the midcarpal area
Where do you center for a PA projection of the wrist when the wrist is in ulnar deviation?
Perpendicular to the scaphoid
What is the method name of a Tangential Projection of the Carpal Canal?
Gaynor-Hart Method
How much does the elbow need to be flexed for a lateral projection of the forearm?
90 degrees
For a lateral projection of the forearm and elbow, is the line through the humeral epicondyles
parallel or perpendicular with the IR?
Perpendicular
What is the degree of obliquity for an AP Oblique projection of the elbow?
45 degrees
For an AP projection of the humerus, the plane through the epicondyles is ______________ to the
IR?
Parallel
For a lateral projection of the humerus, the lesser tubercle is in profile on the _________ aspect,
while the greater tubercle is superimposed over the humeral head?
Medial
What are the 3 types of rotation for an AP projection of the shoulder?
External, neutral, and internal
Where do you center for an AP projection of the shoulder?
1 inch inferior to the coracoid process
What is the degree of obliquity for an AP Oblique Projection of the shoulder (Grashey Method)?
35-45 degrees towards the affected side
Where is the central ray directed for an AP Oblique Projection of the shoulder?
2 inches medial and 2 inches inferior to the superolateral border of the shoulder
What should be shown on an AP Oblique Projection of the shoulder?
Glenoid cavity in profile; open joint space between the humeral head and the glenoid cavity
Where do you center for a Transthoracic Lateral projection of the shoulder?
Perpendicular; entering the midcoronal plane at the level of the surgical neck
