Bone Density Registry Exam | Study Guide & Practice Questions
According to the WHO criteria, for the diagnosis of osteoporosis, based on the measurement of bone
density is - (answer)2.5 standard deviations or more below the young adult peak bone density
Name the current gold standard technique for measuring bone density - (answer)DXA
Cancellous bone is also known as what? - (answer)Trabecular bone
What is the anatomical landmark of the proximal femur that indicates the best visual indication of the
degree of rotation of the proximal femur? - (answer)Lesser trochanter
Which lumbar vertebra is described as having a characteristic shape of an X or H on a DXA PA spine
scan? - (answer)L4
Name all of the bisphosphonates for prevention and treatment of osteoporosis - (answer)Alendronate,
risedronate, ibandronate
Name the bisphosphonate for treatment only of osteoporosis - (answer)Zolendronic acid (Reclast)
What medication used to be classified as a SERM and is an estrogen agonist/antagonist and reduces
breast cancer - (answer)Ralaxofene (Evista)
Is Forteo a bisphosphonate? - (answer)No, it's an anabolic
Quantitative computed tomography or QCT results are usually reported in - (answer)Grams per cubic
centimeter g/cm3
Quantitative computed tomography is - (answer)Volumetric measurement of 100% trabecular bone at
the spine
Peripheral bone mineral density measurements are advocated for - (answer)Screening
, Bone Density Registry Exam | Study Guide & Practice Questions
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
ten-year probability of major osteoporotic fracture for both men and women? - (answer)FRAX
Ability to measure true value and most important for DXA and assessment of fracture risk -
(answer)Accuracy
Is precision or accuracy mostly affected by technology? - (answer)Accuracy
The reproducibility of measurements and most important for serial measurements to determine if there
has been interval change - (answer)Precision
Is accuracy or precision mostly affected by the technologist? - (answer)Precision
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
Which of the following sites is mostly composed of cortical bone? Distal forearm, femoral neck, proximal
forearm, vertebral bodies - (answer)Proximal forearm
What is the name of the isotope that was used in single photon absorptiometry - (answer)Iodine - 125
What is the texture index that evaluates the pixel grey level variations in lumbar spine DXA images? -
(answer)Trabecular bone score or TBS
Type two primary osteoporosis occurs - (answer)Generally after age 70
According to the WHO criteria, for the diagnosis of osteoporosis, based on the measurement of bone
density is - (answer)2.5 standard deviations or more below the young adult peak bone density
Name the current gold standard technique for measuring bone density - (answer)DXA
Cancellous bone is also known as what? - (answer)Trabecular bone
What is the anatomical landmark of the proximal femur that indicates the best visual indication of the
degree of rotation of the proximal femur? - (answer)Lesser trochanter
Which lumbar vertebra is described as having a characteristic shape of an X or H on a DXA PA spine
scan? - (answer)L4
Name all of the bisphosphonates for prevention and treatment of osteoporosis - (answer)Alendronate,
risedronate, ibandronate
Name the bisphosphonate for treatment only of osteoporosis - (answer)Zolendronic acid (Reclast)
What medication used to be classified as a SERM and is an estrogen agonist/antagonist and reduces
breast cancer - (answer)Ralaxofene (Evista)
Is Forteo a bisphosphonate? - (answer)No, it's an anabolic
Quantitative computed tomography or QCT results are usually reported in - (answer)Grams per cubic
centimeter g/cm3
Quantitative computed tomography is - (answer)Volumetric measurement of 100% trabecular bone at
the spine
Peripheral bone mineral density measurements are advocated for - (answer)Screening
, Bone Density Registry Exam | Study Guide & Practice Questions
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
ten-year probability of major osteoporotic fracture for both men and women? - (answer)FRAX
Ability to measure true value and most important for DXA and assessment of fracture risk -
(answer)Accuracy
Is precision or accuracy mostly affected by technology? - (answer)Accuracy
The reproducibility of measurements and most important for serial measurements to determine if there
has been interval change - (answer)Precision
Is accuracy or precision mostly affected by the technologist? - (answer)Precision
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
Which of the following sites is mostly composed of cortical bone? Distal forearm, femoral neck, proximal
forearm, vertebral bodies - (answer)Proximal forearm
What is the name of the isotope that was used in single photon absorptiometry - (answer)Iodine - 125
What is the texture index that evaluates the pixel grey level variations in lumbar spine DXA images? -
(answer)Trabecular bone score or TBS
Type two primary osteoporosis occurs - (answer)Generally after age 70
