BONE DENSITOMETRY REVIEW
QUESTIONS WITH ALL ANSWERS
CORRECT
2.5 SDs or more below the young adult peak bone density - correct answer- According
to WHO, for the diagnosis of osteoporosis, based on the measurement of bone density
is
a. 2.5 SDs or more below the young adult peak bone density and a fracture
b. 2.5 SDs or more below the young adult peak bone density
c. More than 1 SD but less than 2.5 SDs below the young adult peak bone density
d. Not more than 1 SD below the young adult peak bone density
DXA - correct answer- What is the most common technique that is used to measure
BMD?
a. QUS
b. QCT
c. SXA
d. DXA
Spine - correct answer- What is the most common osteoporotic fracture?
a. Hip
b. Shoulder
c. Spine
d. Wrist
Time - correct answer- In bone densitometry, what is the primary responsibility of the
technologist?
,a. Beam collimation
b. Distance
c. Shielding
d. Time
Race - correct answer- Which of the following is considered an uncontrollable risk
factor for osteoporosis?
a. Exercise
b. Lifestyle choices
c. Smoking
d. Race
QCT spine - correct answer- Which of the following measures more trabecular bone?
a. PA spine
b. Lateral spine
c. QCT spine
d. VFA
Menopause - correct answer- Primary osteoporosis Type 1, is related to
a. Aging
b. Disease
c. Medication
d. Menopause
Most obese patients are at an increased risk of developing osteoporosis - correct
answer- Identify the incorrect statement from the following:
a. Caucasian and Asians are at an increased risk of developing osteoporosis compared
to other ethnic groups
b. Most obese patients are at an increased risk of developing osteoporosis
c. Women are at an increased risk of developing osteoporosis compared to men
because they achieve a lower peak bone mass and go through menopause
d. Smoking is a recognized risk factor for the development of osteoporosis
Trabecular bone - correct answer- Cancellous bone is also known as
a. Compact bone
b. Cortical bone
c. Trabecular bone
d. Osteophyte
Osteoblasts - correct answer- New bone matrix is formed by:
a. Osteoblasts
b. Osteoclasts
c. Cortical bone
d. Cancellous bone
66% - correct answer- What percentage of trabecular bone is found in the PA spine?
, a. 1%
b. 33%
c. 50%
d. 66%
Serial DXA measurements of the hip and spine - correct answer- Currently, the most
accurate method to determine a patient's response to therapy for osteoporosis is:
a. Serial DXA measurements of the forearm
b. Serial DXA measurements of the hip and spine
c. Serial QUS measurements of the calcaneus
d. Serial QCT measurements of the spine
Corticosteroid therapy - correct answer- Which of the following does not help in
achieving peak bone mass?
a. Normal puberty
b. Exercise
c. Corticosteroid therapy
d. Adequate calcium and vitamin D intake
The patients heel must be immersed in liquid during the procedure - correct answer-
Which of the following statement is false concerning QUS advantages over x-ray base
methodologies for BMD measurements?
a. QUS units are comparatively inexpensive
b. The patients heel must be immersed in liquid during the procedure
c. Patients are not subjected to ionizing radiation
d. Ultrasound examinations are quick to perform
Proximal forearm - correct answer- Which of the following sites is mostly composed of
cortical bone?
a. Distal forearm
b. Femoral neck
c. Proximal forearm
d. Vertebral bodies
Lesser trochanter - correct answer- Which is the anatomical landmark on the proximal
femur that indicates the best visual indication of the degree of rotation of the proximal
femur?
a. Femoral head
b. Femoral shaft
c. Greater trochanter
d. Lesser trochanter
L4 - correct answer- Which lumbar vertebra is described as having a characteristic
shape of an X or H on a DXA PA spine scan?
a. L1
b. L2
QUESTIONS WITH ALL ANSWERS
CORRECT
2.5 SDs or more below the young adult peak bone density - correct answer- According
to WHO, for the diagnosis of osteoporosis, based on the measurement of bone density
is
a. 2.5 SDs or more below the young adult peak bone density and a fracture
b. 2.5 SDs or more below the young adult peak bone density
c. More than 1 SD but less than 2.5 SDs below the young adult peak bone density
d. Not more than 1 SD below the young adult peak bone density
DXA - correct answer- What is the most common technique that is used to measure
BMD?
a. QUS
b. QCT
c. SXA
d. DXA
Spine - correct answer- What is the most common osteoporotic fracture?
a. Hip
b. Shoulder
c. Spine
d. Wrist
Time - correct answer- In bone densitometry, what is the primary responsibility of the
technologist?
,a. Beam collimation
b. Distance
c. Shielding
d. Time
Race - correct answer- Which of the following is considered an uncontrollable risk
factor for osteoporosis?
a. Exercise
b. Lifestyle choices
c. Smoking
d. Race
QCT spine - correct answer- Which of the following measures more trabecular bone?
a. PA spine
b. Lateral spine
c. QCT spine
d. VFA
Menopause - correct answer- Primary osteoporosis Type 1, is related to
a. Aging
b. Disease
c. Medication
d. Menopause
Most obese patients are at an increased risk of developing osteoporosis - correct
answer- Identify the incorrect statement from the following:
a. Caucasian and Asians are at an increased risk of developing osteoporosis compared
to other ethnic groups
b. Most obese patients are at an increased risk of developing osteoporosis
c. Women are at an increased risk of developing osteoporosis compared to men
because they achieve a lower peak bone mass and go through menopause
d. Smoking is a recognized risk factor for the development of osteoporosis
Trabecular bone - correct answer- Cancellous bone is also known as
a. Compact bone
b. Cortical bone
c. Trabecular bone
d. Osteophyte
Osteoblasts - correct answer- New bone matrix is formed by:
a. Osteoblasts
b. Osteoclasts
c. Cortical bone
d. Cancellous bone
66% - correct answer- What percentage of trabecular bone is found in the PA spine?
, a. 1%
b. 33%
c. 50%
d. 66%
Serial DXA measurements of the hip and spine - correct answer- Currently, the most
accurate method to determine a patient's response to therapy for osteoporosis is:
a. Serial DXA measurements of the forearm
b. Serial DXA measurements of the hip and spine
c. Serial QUS measurements of the calcaneus
d. Serial QCT measurements of the spine
Corticosteroid therapy - correct answer- Which of the following does not help in
achieving peak bone mass?
a. Normal puberty
b. Exercise
c. Corticosteroid therapy
d. Adequate calcium and vitamin D intake
The patients heel must be immersed in liquid during the procedure - correct answer-
Which of the following statement is false concerning QUS advantages over x-ray base
methodologies for BMD measurements?
a. QUS units are comparatively inexpensive
b. The patients heel must be immersed in liquid during the procedure
c. Patients are not subjected to ionizing radiation
d. Ultrasound examinations are quick to perform
Proximal forearm - correct answer- Which of the following sites is mostly composed of
cortical bone?
a. Distal forearm
b. Femoral neck
c. Proximal forearm
d. Vertebral bodies
Lesser trochanter - correct answer- Which is the anatomical landmark on the proximal
femur that indicates the best visual indication of the degree of rotation of the proximal
femur?
a. Femoral head
b. Femoral shaft
c. Greater trochanter
d. Lesser trochanter
L4 - correct answer- Which lumbar vertebra is described as having a characteristic
shape of an X or H on a DXA PA spine scan?
a. L1
b. L2
