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ARRT Bone Density Exam (latest version 2026/2027)
Most Recent Exam 2026|2027 Actual Complete Real
Verified Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam!!!
What is the most important clinical consequence of
osteoporosis? - Answer-Fracture
What is the name of the tool that integrates clinical
information in a quantitative manner to predict a 10-year
probability of major osteoporotic fracture for both men and
women? - Answer-FRAX
What is the major source of precision error in clinical
practice? - Answer-Technologist
What is the percentage of trabecular bone in the skeleton?
- Answer-20 %
The forearm is not used to monitor the effects of therapy
for osteoporosis because....... - Answer-rate of change in
BMD is too slow
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What site is mostly composed of cortical bone? - Answer-
Proximal forearm
What are the advantages of QUS over x-ray
methodologies for BMD measurement? - Answer--
ultrasound is comparatively inexpensive
-patients are not subjected to ionizing radiation
-ultrasound exams are quick to perform
What is the name of the isotope that was used in SPA? -
Answer-Iodine-125
What is the texture index that evaluates the pixel gray-
level variations in lumber spine DXA images? - Answer-
TBS (Trabecular Bone Score)
When does type 2 primary osteoporosis generally occur? -
Answer-after age 70
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What technique used images of the hand and an
aluminum wedge? - Answer-RA (Radiograhic
Absorptiometry)
New bone is formed by the ___________? - Answer-
osteoblasts
Cancellous bone is also known as _______________? -
Answer-Trabecular bone
How would you start labeling the vertebral bodies on a PA
lumbar scan? - Answer-Start at L4 and count/label up
With changes in rotation of the femoral neck, what
happens? - Answer-Increases the BMD
If daily QC fails, what should be your first step of action? -
Answer--repeat the scan
-if scan fails again, then call for help
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Although the technology is similar with all of the DXA units,
the BMD results are different because.......... - Answer--
different calibration standards
-algorithms to calculate BMD
-differences in the ROI
-different databases
The primary mechanism of action of antiresorptive
therapies is the direct interaction with the
__________________ - Answer-osteoclasts
According to the WHO criteria, what is the diagnosis of
osteoporosis based on the measurement of bone density?
- Answer-2.5 SD or more below the young adult peak bone
density
What is the gold standard technique for measuring bone
density? - Answer-DXA
ARRT Bone Density Exam (latest version 2026/2027)
Most Recent Exam 2026|2027 Actual Complete Real
Verified Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam!!!
What is the most important clinical consequence of
osteoporosis? - Answer-Fracture
What is the name of the tool that integrates clinical
information in a quantitative manner to predict a 10-year
probability of major osteoporotic fracture for both men and
women? - Answer-FRAX
What is the major source of precision error in clinical
practice? - Answer-Technologist
What is the percentage of trabecular bone in the skeleton?
- Answer-20 %
The forearm is not used to monitor the effects of therapy
for osteoporosis because....... - Answer-rate of change in
BMD is too slow
,2|Page
What site is mostly composed of cortical bone? - Answer-
Proximal forearm
What are the advantages of QUS over x-ray
methodologies for BMD measurement? - Answer--
ultrasound is comparatively inexpensive
-patients are not subjected to ionizing radiation
-ultrasound exams are quick to perform
What is the name of the isotope that was used in SPA? -
Answer-Iodine-125
What is the texture index that evaluates the pixel gray-
level variations in lumber spine DXA images? - Answer-
TBS (Trabecular Bone Score)
When does type 2 primary osteoporosis generally occur? -
Answer-after age 70
,3|Page
What technique used images of the hand and an
aluminum wedge? - Answer-RA (Radiograhic
Absorptiometry)
New bone is formed by the ___________? - Answer-
osteoblasts
Cancellous bone is also known as _______________? -
Answer-Trabecular bone
How would you start labeling the vertebral bodies on a PA
lumbar scan? - Answer-Start at L4 and count/label up
With changes in rotation of the femoral neck, what
happens? - Answer-Increases the BMD
If daily QC fails, what should be your first step of action? -
Answer--repeat the scan
-if scan fails again, then call for help
, 4|Page
Although the technology is similar with all of the DXA units,
the BMD results are different because.......... - Answer--
different calibration standards
-algorithms to calculate BMD
-differences in the ROI
-different databases
The primary mechanism of action of antiresorptive
therapies is the direct interaction with the
__________________ - Answer-osteoclasts
According to the WHO criteria, what is the diagnosis of
osteoporosis based on the measurement of bone density?
- Answer-2.5 SD or more below the young adult peak bone
density
What is the gold standard technique for measuring bone
density? - Answer-DXA
