ARRT REGISTRY EXAM
ARRT REGISTRY EXAM STUDY GUIDE.
WITH QUESTIONS AND 100% VERIFIED
SOLUTIONS. GRADED A+. ACTUAL EXAM.
NEWEST 2025/2026 UPDATE.
NEW EXAM!!! NEW EXAM!!! NEW EXAM!!!
What is the minimum source to skin distance allowed for a mobile fluoroscopic
unit?
- Answer 12 inches
Pregnant technologists should not receive more than rem for the duration of
the pregnancy.
a. 3
b. 0.5
c. 0.15
d. 2.5 - Answer b. 0.5 rem
How much annual exposure can a 49 year old occupational worker receive?a. 490
mSv
b. 290 mSv
c. 50 mSv
d. 75 mSv - Answer c. 50 mSv
What is the primary purpose for the use of beam filtration?a. to reduce skin
entrance exposure
b. to modify subject contrast
c. to limit the production of secondary radiation
d. to offset variations in part thickness - Answer a. to reduce skin entrance
exposure
The reproducibility of exposures of a radiographic unit must not vary more than
,ARRT REGISTRY EXAM
% to be considered within acceptable limits.a. 2.5
b. 5
c. 10
d. 12.5 - Answer 5%
Average body build comprising 50% of the population? - Answer Sthenic
Below average body build comprising 35% of the population? - Answer
Hyposthenic
Extremely small body build comprising 10% of the population? - Answer Asthenic
Above average or massive body build comprising 5% of the population? -
AnswerHypersthenic
What makes up the axial skeleton? - Answer toward the center or middle of
thebody- includes skull, hyoid, vertebral column, and thorax.
What makes up the appendicular skeleton? - Answer upper & lower extremities,
theshoulder girdle & pelvic girdle
The mastoid process is located at the level of... - Answer C1
The thyroid cartilage is located at the level of... - Answer C4-5
The vertebral prominens is located at the level of... - Answer C7 The
sternal/jugular notch is located at the level of... - Answer T2-3
The sternal angle is located at the level of... - Answer T4-5
The inferior angle of the scapula is located at the level of... - Answer T7
The xiphoid tip is located at the level of... - Answer T10 The umbilicus is at the
level of... - Answer L3-4
The iliac crest is at the level of... - Answer L4
The greater trochanter is at the level of... - Answer the pubic symphysis The
lower costal margin is at the level of... - Answer L1-2
The ASIS is at the level of... - Answer S1
AP Axial Skull is also known as... - Answer "Townes" method PAAxial skull is also
known as... - Answer Caldwell method
In a PAAxial skull, where should the petrous ridges be seen? - Answer projected
inthe lower third of the orbits
,ARRT REGISTRY EXAM
The CR for a PA axial skull? - Answer 15 degrees caudad, exiting the nasion
The CR for an AP axial skull? - Answer 30 degrees caudad thru the
foramenmagnum to the OML Which line in perpendicular to the IR for a lateral
skull? - Answer IPL
The cassette-based digital image receptor uses which of the following as the
imagereceptor?
a. TFT
b. PSPc.
CCD
d. none of the above - Answer b. PSP
PAAxial 25 degree cephalic angle of the Skull is also known as... - Answer
Hassmethod or Reverse Towne
Parietoacanthial projection is also known as... - Answer Waters method
Which view demonstrates all 4 sinus groups without superimposition? -
Answerlateral
The waters view of the sinuses primarily demonstrates which sinus? -
Answermaxillary CR for AP axial C-spine? - Answer 15-20 degrees cephalic,
entering level of C4
CR for Anterior oblique of the C-spine? - Answer 15-20 degrees caudad CR for
Posterior oblique C-spine? - Answer 15-20 degrees cephalic
Anterior obliques of the C-spine demonstrate which foramina? - Answer the
foraminaclosest to the IR
Posterior obliques of the C-spine demonstrate which foramina? - Answer
theforamina farthest from the IR
AP/PA scoliosis series is also known as... - Answer Ferguson method
For an AP T-spine, where does the CR enter? - Answer level of T7
AP/PA Lumbar spine CR? - Answer perpendicular to the IR, at the level of
iliaccrest(L4-5).
Lateral lumbar spine demonstrates... - Answer vertebral bodies, intervertebral
jointspaces, and the intervertebral foramina.
, ARRT REGISTRY EXAM
L5-S1 spot lateral demonstrates the possible existence of.... - Answer
spondylolisthesis
Posterior obliques of the L-spine demonstrate.... - Answer the articular facets
andzygapophyseal joints closest to the IR.
Scotty dog anatomy: ear represents... - Answer superior articulating process
Scotty dog anatomy: eye represents... - Answer pedicle
Scotty dog anatomy: neck represents... - Answer pars interarticularis Scotty dog
anatomy: nose represents... - Answer transverse process
Scotty dog anatomy: leg represents... - Answer inferior articulating process
CR for AP axial sacrum? - Answer 15 degrees cephalad, midway between ASIS
&pubic symphysis
CR for AP axial coccyx? - Answer 10 degrees caudad, 2 inches superior to
pubicsymphysis The preferred site for a spinal puncture during Myelography is... -
Answer L3-4
What is the primary pathology for a Myelogram? - Answer HNP (herniated
nucleuspulposus)
CR for AP axial Sacroiliac joints? - Answer 30 degrees cephalic for males,35
degrees cephalic for females,
2 inches above the pubic symphysis
Which SI joint is demonstrated on a posterior oblique? - Answer SI joint farthest
fromthe IR
Which SI joint is demonstrated on an anterior oblique? - Answer SI joint closest
tothe IR
Where is the CR directed for a cross-table lateral hip (Daelius-Miller method) ? -
Answer perpendicular to the femoral neck
Which view is performed in cases of possible bilateral hip fractures? -
AnswerAxiolateral inferosuperior projection (Clements-Nakayama method)
ARRT REGISTRY EXAM STUDY GUIDE.
WITH QUESTIONS AND 100% VERIFIED
SOLUTIONS. GRADED A+. ACTUAL EXAM.
NEWEST 2025/2026 UPDATE.
NEW EXAM!!! NEW EXAM!!! NEW EXAM!!!
What is the minimum source to skin distance allowed for a mobile fluoroscopic
unit?
- Answer 12 inches
Pregnant technologists should not receive more than rem for the duration of
the pregnancy.
a. 3
b. 0.5
c. 0.15
d. 2.5 - Answer b. 0.5 rem
How much annual exposure can a 49 year old occupational worker receive?a. 490
mSv
b. 290 mSv
c. 50 mSv
d. 75 mSv - Answer c. 50 mSv
What is the primary purpose for the use of beam filtration?a. to reduce skin
entrance exposure
b. to modify subject contrast
c. to limit the production of secondary radiation
d. to offset variations in part thickness - Answer a. to reduce skin entrance
exposure
The reproducibility of exposures of a radiographic unit must not vary more than
,ARRT REGISTRY EXAM
% to be considered within acceptable limits.a. 2.5
b. 5
c. 10
d. 12.5 - Answer 5%
Average body build comprising 50% of the population? - Answer Sthenic
Below average body build comprising 35% of the population? - Answer
Hyposthenic
Extremely small body build comprising 10% of the population? - Answer Asthenic
Above average or massive body build comprising 5% of the population? -
AnswerHypersthenic
What makes up the axial skeleton? - Answer toward the center or middle of
thebody- includes skull, hyoid, vertebral column, and thorax.
What makes up the appendicular skeleton? - Answer upper & lower extremities,
theshoulder girdle & pelvic girdle
The mastoid process is located at the level of... - Answer C1
The thyroid cartilage is located at the level of... - Answer C4-5
The vertebral prominens is located at the level of... - Answer C7 The
sternal/jugular notch is located at the level of... - Answer T2-3
The sternal angle is located at the level of... - Answer T4-5
The inferior angle of the scapula is located at the level of... - Answer T7
The xiphoid tip is located at the level of... - Answer T10 The umbilicus is at the
level of... - Answer L3-4
The iliac crest is at the level of... - Answer L4
The greater trochanter is at the level of... - Answer the pubic symphysis The
lower costal margin is at the level of... - Answer L1-2
The ASIS is at the level of... - Answer S1
AP Axial Skull is also known as... - Answer "Townes" method PAAxial skull is also
known as... - Answer Caldwell method
In a PAAxial skull, where should the petrous ridges be seen? - Answer projected
inthe lower third of the orbits
,ARRT REGISTRY EXAM
The CR for a PA axial skull? - Answer 15 degrees caudad, exiting the nasion
The CR for an AP axial skull? - Answer 30 degrees caudad thru the
foramenmagnum to the OML Which line in perpendicular to the IR for a lateral
skull? - Answer IPL
The cassette-based digital image receptor uses which of the following as the
imagereceptor?
a. TFT
b. PSPc.
CCD
d. none of the above - Answer b. PSP
PAAxial 25 degree cephalic angle of the Skull is also known as... - Answer
Hassmethod or Reverse Towne
Parietoacanthial projection is also known as... - Answer Waters method
Which view demonstrates all 4 sinus groups without superimposition? -
Answerlateral
The waters view of the sinuses primarily demonstrates which sinus? -
Answermaxillary CR for AP axial C-spine? - Answer 15-20 degrees cephalic,
entering level of C4
CR for Anterior oblique of the C-spine? - Answer 15-20 degrees caudad CR for
Posterior oblique C-spine? - Answer 15-20 degrees cephalic
Anterior obliques of the C-spine demonstrate which foramina? - Answer the
foraminaclosest to the IR
Posterior obliques of the C-spine demonstrate which foramina? - Answer
theforamina farthest from the IR
AP/PA scoliosis series is also known as... - Answer Ferguson method
For an AP T-spine, where does the CR enter? - Answer level of T7
AP/PA Lumbar spine CR? - Answer perpendicular to the IR, at the level of
iliaccrest(L4-5).
Lateral lumbar spine demonstrates... - Answer vertebral bodies, intervertebral
jointspaces, and the intervertebral foramina.
, ARRT REGISTRY EXAM
L5-S1 spot lateral demonstrates the possible existence of.... - Answer
spondylolisthesis
Posterior obliques of the L-spine demonstrate.... - Answer the articular facets
andzygapophyseal joints closest to the IR.
Scotty dog anatomy: ear represents... - Answer superior articulating process
Scotty dog anatomy: eye represents... - Answer pedicle
Scotty dog anatomy: neck represents... - Answer pars interarticularis Scotty dog
anatomy: nose represents... - Answer transverse process
Scotty dog anatomy: leg represents... - Answer inferior articulating process
CR for AP axial sacrum? - Answer 15 degrees cephalad, midway between ASIS
&pubic symphysis
CR for AP axial coccyx? - Answer 10 degrees caudad, 2 inches superior to
pubicsymphysis The preferred site for a spinal puncture during Myelography is... -
Answer L3-4
What is the primary pathology for a Myelogram? - Answer HNP (herniated
nucleuspulposus)
CR for AP axial Sacroiliac joints? - Answer 30 degrees cephalic for males,35
degrees cephalic for females,
2 inches above the pubic symphysis
Which SI joint is demonstrated on a posterior oblique? - Answer SI joint farthest
fromthe IR
Which SI joint is demonstrated on an anterior oblique? - Answer SI joint closest
tothe IR
Where is the CR directed for a cross-table lateral hip (Daelius-Miller method) ? -
Answer perpendicular to the femoral neck
Which view is performed in cases of possible bilateral hip fractures? -
AnswerAxiolateral inferosuperior projection (Clements-Nakayama method)
