Test Bank Bontrager’s Textbook of Radiographic Positioning and Related
Anatomy 9th Edition by Lampignano Complete Exam Questions 150+ and
Answers A+
A radiologic technologist is preparing to perform a PA chest radiograph on a
patient with kyphosis who cannot fully extend the thoracic spine. What
modification will best improve image quality?
A. Use AP projection instead
B. Increase SID
C. Adjust patient to best possible upright position and maintain PA orientation
D. Angle the CR 30° cephalad
Answer: C
Rationale: Maintaining a PA projection as much as possible minimizes heart
magnification and preserves diagnostic quality, even if positioning is imperfect.
During a lateral lumbar spine projection, the technologist notices that the spinous
processes appear anteriorly displaced rather than centered between vertebral
bodies. What is the most likely positioning error?
A. Patient tilted
1
,B. Patient rotated
C. Improper centering
D. Incorrect exposure
Answer: B
Rationale: Rotation causes spinous processes to shift from their central position
between vertebral bodies.
A patient is positioned for an AP axial (Towne) projection of the skull. The dorsum
sellae is projected below the foramen magnum. What does this indicate?
A. Excessive CR angle
B. Insufficient CR angle
C. Correct positioning
D. Rotation
Answer: A
Rationale: Too much caudad angulation projects structures too far downward.
2
,A technologist performs an AP projection of the shoulder in neutral rotation.
Which structure is best visualized in this position?
A. Greater tubercle in profile laterally
B. Lesser tubercle in profile medially
C. Neither tubercle in profile
D. Glenoid cavity
Answer: C
Rationale: Neutral rotation does not place either tubercle in profile.
A patient is positioned for a lateral knee radiograph. The joint space appears
closed. What adjustment should be made?
A. Increase kVp
B. Angle CR 5–7° cephalad
C. Decrease SID
D. Rotate knee
Answer: B
3
, Rationale: A slight cephalad CR angle helps open the knee joint space.
A PA chest radiograph shows asymmetry of the sternoclavicular joints, with one
closer to the spine than the other. What does this indicate?
A. Proper positioning
B. Patient rotation
C. Overexposure
D. Motion
Answer: B
Rationale: Unequal distance indicates rotation, affecting diagnostic accuracy.
A technologist is performing an oblique lumbar spine projection. The “Scotty dog”
appears stretched. What is the likely cause?
A. Insufficient rotation
B. Excessive rotation
C. Incorrect exposure
D. Motion
4
Anatomy 9th Edition by Lampignano Complete Exam Questions 150+ and
Answers A+
A radiologic technologist is preparing to perform a PA chest radiograph on a
patient with kyphosis who cannot fully extend the thoracic spine. What
modification will best improve image quality?
A. Use AP projection instead
B. Increase SID
C. Adjust patient to best possible upright position and maintain PA orientation
D. Angle the CR 30° cephalad
Answer: C
Rationale: Maintaining a PA projection as much as possible minimizes heart
magnification and preserves diagnostic quality, even if positioning is imperfect.
During a lateral lumbar spine projection, the technologist notices that the spinous
processes appear anteriorly displaced rather than centered between vertebral
bodies. What is the most likely positioning error?
A. Patient tilted
1
,B. Patient rotated
C. Improper centering
D. Incorrect exposure
Answer: B
Rationale: Rotation causes spinous processes to shift from their central position
between vertebral bodies.
A patient is positioned for an AP axial (Towne) projection of the skull. The dorsum
sellae is projected below the foramen magnum. What does this indicate?
A. Excessive CR angle
B. Insufficient CR angle
C. Correct positioning
D. Rotation
Answer: A
Rationale: Too much caudad angulation projects structures too far downward.
2
,A technologist performs an AP projection of the shoulder in neutral rotation.
Which structure is best visualized in this position?
A. Greater tubercle in profile laterally
B. Lesser tubercle in profile medially
C. Neither tubercle in profile
D. Glenoid cavity
Answer: C
Rationale: Neutral rotation does not place either tubercle in profile.
A patient is positioned for a lateral knee radiograph. The joint space appears
closed. What adjustment should be made?
A. Increase kVp
B. Angle CR 5–7° cephalad
C. Decrease SID
D. Rotate knee
Answer: B
3
, Rationale: A slight cephalad CR angle helps open the knee joint space.
A PA chest radiograph shows asymmetry of the sternoclavicular joints, with one
closer to the spine than the other. What does this indicate?
A. Proper positioning
B. Patient rotation
C. Overexposure
D. Motion
Answer: B
Rationale: Unequal distance indicates rotation, affecting diagnostic accuracy.
A technologist is performing an oblique lumbar spine projection. The “Scotty dog”
appears stretched. What is the likely cause?
A. Insufficient rotation
B. Excessive rotation
C. Incorrect exposure
D. Motion
4
