1|Page
ARRT BONE DENSITY EXAM STUDY SET
QUESTION BANK NEWEST 2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {470 Q & A} ALREADY GRADED A+
| BRAND NEW! | 100% GUARANTEED PASS
QCT results are reported in __________ - ✔✔✔ Correct Answer > g/cm
cubed
What therapy mimics the effects of estrogen on bone and has
antiestrogenic effects in other tissue? - ✔✔✔ Correct Answer >
Raloxifene
The _____ is the only validated skeletal site for the clinical use of
QUS in osteoporosis. - ✔✔✔ Correct Answer > heel
In both men and women, bone mass increases until
approximately what age? - ✔✔✔ Correct Answer > 30 years
What must be performed in order to compare studies when a
new machine is bought? - ✔✔✔ Correct Answer > cross-calibration
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Which acronym best describes the least amount of BMD change
that can be statistically significant? - ✔✔✔ Correct Answer > LSC
What are the 2 types of bone? - ✔✔✔ Correct Answer > -cortical
-trabecular
What parameters are used to calculate rate of change for a
follow-up scan? - ✔✔✔ Correct Answer > BMD
The shoulders of a patient should be squared with their ________.
- ✔✔✔ Correct Answer > pelvis
What are the preferred sites for the measurement of bone
density in children? - ✔✔✔ Correct Answer > spine and total body less
head
What percentage of the skeletal body mass is cortical bone? -
✔✔✔ Correct Answer > 80%
Bone mineral density is expressed as......... - ✔✔✔ Correct Answer >
g/cm squared
,3|Page
How many times should you scan a patient with in-vivo precision
study? - ✔✔✔ Correct Answer > -30 patients scanned twice
-15 patients scanned 3 times
When analyzing the PA spine, what should you not mess with? -
✔✔✔ Correct Answer > Width of ROI box
How many places to the right of the decimal point is used in
reporting BMD? - ✔✔✔ Correct Answer > 3
The name of the forearm sites are based on what? - ✔✔✔ Correct
Answer > the location of the site on the bone in relationship to the
overall length
A postmenopausal woman with a femoral neck T-score of -2.0
SD below a young adult is to be classified as....... - ✔✔✔ Correct
Answer > osteopenia
What happens when there is an imbalance or uncoupling of the
remodeling cycle? - ✔✔✔ Correct Answer > the usual result is a net
loss in the bone mass
, 4|Page
A technologist should perform a precision study in order to
calculate _______________. - ✔✔✔ Correct Answer > LSC (Least
Significant Change)
A DXA scanner that uses a single detector and a pinhole
collimator is a........ - ✔✔✔ Correct Answer > pencil beam scanner
Regarding Shewart Rules, the control limits are based on what
percentage of the average values? - ✔✔✔ Correct Answer > 1.5% (3 SD)
What is the sum of the data values divided by the number of
values? - ✔✔✔ Correct Answer > mean
A DXA system that employs a rare earth filtered x-ray source
uses what type of detector? - ✔✔✔ Correct Answer > pulse counting
The characteristic shapes of the vertebrae seen on the DXA
image are primarily based on the appearance of the ____________
elements. - ✔✔✔ Correct Answer > posterior
Accuracy - ✔✔✔ Correct Answer > -ability to measure true value
-most important for diagnosis
ARRT BONE DENSITY EXAM STUDY SET
QUESTION BANK NEWEST 2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {470 Q & A} ALREADY GRADED A+
| BRAND NEW! | 100% GUARANTEED PASS
QCT results are reported in __________ - ✔✔✔ Correct Answer > g/cm
cubed
What therapy mimics the effects of estrogen on bone and has
antiestrogenic effects in other tissue? - ✔✔✔ Correct Answer >
Raloxifene
The _____ is the only validated skeletal site for the clinical use of
QUS in osteoporosis. - ✔✔✔ Correct Answer > heel
In both men and women, bone mass increases until
approximately what age? - ✔✔✔ Correct Answer > 30 years
What must be performed in order to compare studies when a
new machine is bought? - ✔✔✔ Correct Answer > cross-calibration
,2|Page
Which acronym best describes the least amount of BMD change
that can be statistically significant? - ✔✔✔ Correct Answer > LSC
What are the 2 types of bone? - ✔✔✔ Correct Answer > -cortical
-trabecular
What parameters are used to calculate rate of change for a
follow-up scan? - ✔✔✔ Correct Answer > BMD
The shoulders of a patient should be squared with their ________.
- ✔✔✔ Correct Answer > pelvis
What are the preferred sites for the measurement of bone
density in children? - ✔✔✔ Correct Answer > spine and total body less
head
What percentage of the skeletal body mass is cortical bone? -
✔✔✔ Correct Answer > 80%
Bone mineral density is expressed as......... - ✔✔✔ Correct Answer >
g/cm squared
,3|Page
How many times should you scan a patient with in-vivo precision
study? - ✔✔✔ Correct Answer > -30 patients scanned twice
-15 patients scanned 3 times
When analyzing the PA spine, what should you not mess with? -
✔✔✔ Correct Answer > Width of ROI box
How many places to the right of the decimal point is used in
reporting BMD? - ✔✔✔ Correct Answer > 3
The name of the forearm sites are based on what? - ✔✔✔ Correct
Answer > the location of the site on the bone in relationship to the
overall length
A postmenopausal woman with a femoral neck T-score of -2.0
SD below a young adult is to be classified as....... - ✔✔✔ Correct
Answer > osteopenia
What happens when there is an imbalance or uncoupling of the
remodeling cycle? - ✔✔✔ Correct Answer > the usual result is a net
loss in the bone mass
, 4|Page
A technologist should perform a precision study in order to
calculate _______________. - ✔✔✔ Correct Answer > LSC (Least
Significant Change)
A DXA scanner that uses a single detector and a pinhole
collimator is a........ - ✔✔✔ Correct Answer > pencil beam scanner
Regarding Shewart Rules, the control limits are based on what
percentage of the average values? - ✔✔✔ Correct Answer > 1.5% (3 SD)
What is the sum of the data values divided by the number of
values? - ✔✔✔ Correct Answer > mean
A DXA system that employs a rare earth filtered x-ray source
uses what type of detector? - ✔✔✔ Correct Answer > pulse counting
The characteristic shapes of the vertebrae seen on the DXA
image are primarily based on the appearance of the ____________
elements. - ✔✔✔ Correct Answer > posterior
Accuracy - ✔✔✔ Correct Answer > -ability to measure true value
-most important for diagnosis
