ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
Which anatomical structure should not be seen in its entirety on an
anteroposterior (AP) pelvis radiograph? -
correct answer ✅Lesser Trochanters
What prior testing should be performed before a routine
radiograph of the pelvis is started on a 25-year-old female? -
correct answer ✅Pregnancy Test
How many vertebrae are present in the cervical vertebrae? -
correct answer ✅7
What is the correct central ray (CR) angle and direction for
posteroanterior (PA) oblique projections of the cervical spine? -
correct answer ✅15 degrees caudal
At what level should the central ray be projected during the
examination of an injured patient with a dislocated L5-S1? -
correct answer ✅1 1/2 inches inferior to the iliac crest
Which is true regarding the anatomy of the spinal cord? Select all
that apply.
,ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
1. The spinal cord extends inferiorly from the brain.
2. The conus medullaris is situated at the level of S2.
3. The spinal cord terminates at the conus medullaris.
4. The bony vertebral column protects the spinal cord.
5. The subarachnoid space continues down the spinal cord to L1. -
correct answer ✅1, 3, and 4
In an oblique projection of the lumbar vertebrae, which structure
forms the front legs of the "Scottie dog"? -
correct answer ✅Inferior articular process
Which joints are found between the articulation processes of the
vertebral arches? -
correct answer ✅
Which structures are most clearly demonstrated on an optimal 45-
degree oblique cervical spine radiograph? -
correct answer ✅Intervertebral Foramina
,ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
Where does the central ray enter for a lateral projection of the
lumbosacral spine? -
correct answer ✅L4
Which modality involves fluoroscopy to examine the spinal canal for
evaluation of lesions? -
correct answer ✅Myelography
What central ray angle is required for an anteroposterior (AP) axial
inlet pelvic projection? -
correct answer ✅40 degrees caudad
Which part of the sacrum can be viewed from its anterior and
posterior perspective? -
correct answer ✅Pelvic sacral foramina
Where does the central ray enter for an oblique projection of the
sacroiliac joints? -
correct answer ✅One inch medial to the anterior superior iliac
spine of the elevated side
, ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
What are the two main parts of the vertebrae? -
correct answer ✅Body and vertebral arch
Which is the rounded and roughened structure located near the
junction of the lower body and inferior rami? -
correct answer ✅Tuberosity of ischium
What pathological conditions can be best identified when
performing an anteroposterior (AP) projection of the lumbar spine?
Select all that apply. -
correct answer ✅Scoliosis
Fractures
Neoplastic processes
What is the term used to indicate the vertebrae located in the
pelvic region? -
correct answer ✅Sacral vertebrae
Where does the central ray enter for a lateral projection of the
cervical spine? -
correct answer ✅C4
Questions and Answers (Latest
Update 2026)
Which anatomical structure should not be seen in its entirety on an
anteroposterior (AP) pelvis radiograph? -
correct answer ✅Lesser Trochanters
What prior testing should be performed before a routine
radiograph of the pelvis is started on a 25-year-old female? -
correct answer ✅Pregnancy Test
How many vertebrae are present in the cervical vertebrae? -
correct answer ✅7
What is the correct central ray (CR) angle and direction for
posteroanterior (PA) oblique projections of the cervical spine? -
correct answer ✅15 degrees caudal
At what level should the central ray be projected during the
examination of an injured patient with a dislocated L5-S1? -
correct answer ✅1 1/2 inches inferior to the iliac crest
Which is true regarding the anatomy of the spinal cord? Select all
that apply.
,ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
1. The spinal cord extends inferiorly from the brain.
2. The conus medullaris is situated at the level of S2.
3. The spinal cord terminates at the conus medullaris.
4. The bony vertebral column protects the spinal cord.
5. The subarachnoid space continues down the spinal cord to L1. -
correct answer ✅1, 3, and 4
In an oblique projection of the lumbar vertebrae, which structure
forms the front legs of the "Scottie dog"? -
correct answer ✅Inferior articular process
Which joints are found between the articulation processes of the
vertebral arches? -
correct answer ✅
Which structures are most clearly demonstrated on an optimal 45-
degree oblique cervical spine radiograph? -
correct answer ✅Intervertebral Foramina
,ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
Where does the central ray enter for a lateral projection of the
lumbosacral spine? -
correct answer ✅L4
Which modality involves fluoroscopy to examine the spinal canal for
evaluation of lesions? -
correct answer ✅Myelography
What central ray angle is required for an anteroposterior (AP) axial
inlet pelvic projection? -
correct answer ✅40 degrees caudad
Which part of the sacrum can be viewed from its anterior and
posterior perspective? -
correct answer ✅Pelvic sacral foramina
Where does the central ray enter for an oblique projection of the
sacroiliac joints? -
correct answer ✅One inch medial to the anterior superior iliac
spine of the elevated side
, ARRT Registry Review Exam
Questions and Answers (Latest
Update 2026)
What are the two main parts of the vertebrae? -
correct answer ✅Body and vertebral arch
Which is the rounded and roughened structure located near the
junction of the lower body and inferior rami? -
correct answer ✅Tuberosity of ischium
What pathological conditions can be best identified when
performing an anteroposterior (AP) projection of the lumbar spine?
Select all that apply. -
correct answer ✅Scoliosis
Fractures
Neoplastic processes
What is the term used to indicate the vertebrae located in the
pelvic region? -
correct answer ✅Sacral vertebrae
Where does the central ray enter for a lateral projection of the
cervical spine? -
correct answer ✅C4
