Question 1

The use of digital radiography is not recommended for studies of the sacrum and coccyx.

Accepted Answer

A) True 
 B)False

Question 2

For a lateral L5-S1 projection,the CR must be parallel to the:

Accepted Answer

A)  midsagittal plane. 
B)  midcoronal plane. 
C)  interiliac line. 
D)  transverse plane. 
A)  midsagittal plane. 
B)  midcoronal plane. 
C)  interiliac line. 
D)  transverse plane.

Question 3

How much obliquity of the body is required for posterior oblique positions for the sacroiliac joints?

Accepted Answer

A)  45° 
B)  10° to 15° 
C)  60° to 70° 
D)  25° to 30° 
A)  45° 
B)  10° to 15° 
C)  60° to 70° 
D)  25° to 30°

Question 4

The average degree of rotation required to demonstrate the L3-4 zygapophyseal joints is:

Accepted Answer

A)  50°. 
B)  30°. 
C)  20° to 25°. 
D)  45°. 
A)  50°. 
B)  30°. 
C)  20° to 25°. 
D)  45°.

Question 5

The Scottie dog sign is demonstrated with oblique projections of the thoracic and lumbar spine.

Accepted Answer

A) True 
 B)False

Question 6

Where is the CR centered for posterior oblique projections of the SI joints?

Accepted Answer

A)  1 inch (2.5 cm) medial to upside ASIS 
B)  2 inches (5 cm) medial to upside ASIS 
C)  Centered at upside ASIS 
D)  1 inch (2.5 cm) medial and inferior to upside ASIS 
A)  1 inch (2.5 cm) medial to upside ASIS 
B)  2 inches (5 cm) medial to upside ASIS 
C)  Centered at upside ASIS 
D)  1 inch (2.5 cm) medial and inferior to upside ASIS

Question 7

Sciatic type of pain resulting from a "slipped disk" indicates:

Accepted Answer

A)  spondylolisthesis. 
B)  herniated nucleus pulposus. 
C)  ankylosing spondylitis. 
D)  spina bifida. 
A)  spondylolisthesis. 
B)  herniated nucleus pulposus. 
C)  ankylosing spondylitis. 
D)  spina bifida.

Question 8

A radiograph of an AP axial sacrum reveals that it is foreshortened and the sacral foramina are not clearly seen.The patient was in an AP supine position,and the technologist angled the CR 10° cephalad.What specific positioning error is present on this radiograph?

Accepted Answer

A)  Excessive CR angulation 
B)  Rotation of the sacrum 
C)  Insufficient CR angulation 
D)  Wrong direction of the CR angle 
A)  Excessive CR angulation 
B)  Rotation of the sacrum 
C)  Insufficient CR angulation 
D)  Wrong direction of the CR angle

Question 9

Which aspect of the Scottie dog is the transverse process?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 10

A geriatric patient comes to radiology for a lumbar spine series.She has severe kyphosis of the thoracolumbar spine.Which one of the following modifications should be applied to this patient?

Accepted Answer

A)  Perform all positions erect. 
B)  Perform all positions recumbent, include flexion and extension projections. 
C)  Include the entire spine for all projections regardless of what was ordered by the physician. 
D)  Use high (90 kV) for all projections. 
A)  Perform all positions erect. 
B)  Perform all positions recumbent, include flexion and extension projections. 
C)  Include the entire spine for all projections regardless of what was ordered by the physician. 
D)  Use high (90 kV) for all projections.

Question 11

The intervertebral foramina of the lumbar spine are located at an angle of _____ in relation to the midsagittal plane.

Accepted Answer

A)  45° 
B)  30° to 35° 
C)  70° to 75° 
D)  90° 
A)  45° 
B)  30° to 35° 
C)  70° to 75° 
D)  90°

Question 12

The AP and lateral projections for a pediatric scoliosis study should include the entire lumbar and thoracic spine.

Accepted Answer

A) True 
 B)False

Question 13

Which labeled structure is the pars interarticularis?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 14

The long axis of the sacrum is generally angled more posteriorly in males than females.

Accepted Answer

A) True 
 B)False

Question 15

The anterior projecting bony process of the sacrum that forms part of the inlet of the true pelvis is the:

Accepted Answer

A)  promontory of the sacrum. 
B)  body of S1. 
C)  apex of coccyx. 
D)  sacral foramina. 
A)  promontory of the sacrum. 
B)  body of S1. 
C)  apex of coccyx. 
D)  sacral foramina.

The use of digital radiography is not recommended for studies of the sacrum and coccyx.

For a lateral L5-S1 projection,the CR must be parallel to the:

How much obliquity of the body is required for posterior oblique positions for the sacroiliac joints?

The average degree of rotation required to demonstrate the L3-4 zygapophyseal joints is:

The Scottie dog sign is demonstrated with oblique projections of the thoracic and lumbar spine.

Where is the CR centered for posterior oblique projections of the SI joints?

Sciatic type of pain resulting from a "slipped disk" indicates:

A radiograph of an AP axial sacrum reveals that it is foreshortened and the sacral foramina are not clearly seen.The patient was in an AP supine position,and the technologist angled the CR 10° cephalad.What specific positioning error is present on this radiograph?

Which aspect of the Scottie dog is the transverse process?

A geriatric patient comes to radiology for a lumbar spine series.She has severe kyphosis of the thoracolumbar spine.Which one of the following modifications should be applied to this patient?

The intervertebral foramina of the lumbar spine are located at an angle of _____ in relation to the midsagittal plane.

The AP and lateral projections for a pediatric scoliosis study should include the entire lumbar and thoracic spine.

Which labeled structure is the pars interarticularis?

The long axis of the sacrum is generally angled more posteriorly in males than females.

The anterior projecting bony process of the sacrum that forms part of the inlet of the true pelvis is the:

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Bony Thorax-Sternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters

Exam 9: Lumbar Spine, Sacrum, and Coccyx

The use of digital radiography is not recommended for studies of the sacrum and coccyx.

For a lateral L5-S1 projection,the CR must be parallel to the:

How much obliquity of the body is required for posterior oblique positions for the sacroiliac joints?

The average degree of rotation required to demonstrate the L3-4 zygapophyseal joints is:

The Scottie dog sign is demonstrated with oblique projections of the thoracic and lumbar spine.

Where is the CR centered for posterior oblique projections of the SI joints?

Sciatic type of pain resulting from a "slipped disk" indicates:

A radiograph of an AP axial sacrum reveals that it is foreshortened and the sacral foramina are not clearly seen.The patient was in an AP supine position,and the technologist angled the CR 10° cephalad.What specific positioning error is present on this radiograph?

Which aspect of the Scottie dog is the transverse process?

A geriatric patient comes to radiology for a lumbar spine series.She has severe kyphosis of the thoracolumbar spine.Which one of the following modifications should be applied to this patient?

The intervertebral foramina of the lumbar spine are located at an angle of _____ in relation to the midsagittal plane.

The AP and lateral projections for a pediatric scoliosis study should include the entire lumbar and thoracic spine.

Which labeled structure is the pars interarticularis?

The long axis of the sacrum is generally angled more posteriorly in males than females.

The anterior projecting bony process of the sacrum that forms part of the inlet of the true pelvis is the:

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Bony Thorax-Sternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters