ARRT BONE DENSITY LATEST
EXAM
Which bone (radius or ulna) is a diagnosis made on? - ANSWERS-
radius
What would be an indication for a total body BMD? - ANSWERS--
patients with hyperparathyroidism
-child
percent of mean - ANSWERS--take the mean and move the decimal
point over 2 places to make it a percentage
-usually given on a dual femur in order to compare
What is the summary graph? - ANSWERS--graph at the bottom that
shows and compares the numbers
What is the reference graph? - ANSWERS--line graph in which the T-
scores and Z-scores are plotted
END OF
PAGE
1
,ARRT BONE DENSITY LATEST
EXAM
What do the colors onthe reference graph represent? - ANSWERS-
plotted T-scores
What do the lines on the reference graph represent? - ANSWERS-
plotted Z-scores
intervertebral markers - ANSWERS-lines put between the vertebras
Hyperparathyroidism - ANSWERS--excessive levels of parathyroid
hormone
-causes low BMD in more cortical bone
Paget's Disease - ANSWERS--interferes with the recycling process
-bone is fragile
-usually affects the pelvis, spine, skull, and legs
END OF
PAGE
2
,ARRT BONE DENSITY LATEST
EXAM
QCT results are reported in __________ - ANSWERS-g/cm cubed
Peripheral BMD is not used to _______________ - ANSWERS-make a
diagnosis
Why isn't the forearm used to monitor treatment for osteoporosis? -
ANSWERS--it is made up of 99% cortical bone
-cortical bone has a much slower response to therapies
Where is trabecular bone found? - ANSWERS--end of ong bones
-66% of the spine
osteopetrosis - ANSWERS-abnormal condition of stonelike bones
What should be used during serial monitoring? - ANSWERS-BMD
What percentage of women have 5 lumbar vertebrae? - ANSWERS-91%
END OF
PAGE
3
, ARRT BONE DENSITY LATEST
EXAM
According to the WHO criteria, what is the diagnosis of osteoporosis
based on the measurement of bone density? - ANSWERS-2.5 SD or
more below the young adult peak bone density
What is the gold standard technique for measuring bone density? -
ANSWERS-DXA
Cancellous bone is also know as? - ANSWERS-Trabecular Bone
What is the anatomical landmark on the proximal femur that gives the
best visual indication of the degree of rotation of the proximal femur? -
ANSWERS-Lesser Trochanter
Which lumbar vertebra is described as having a characteristic shape of
an X or and H on a DXA PA spine scan? - ANSWERS-L4
Is Forteo a bisphosphonate? - ANSWERS-NO
END OF
PAGE
4
EXAM
Which bone (radius or ulna) is a diagnosis made on? - ANSWERS-
radius
What would be an indication for a total body BMD? - ANSWERS--
patients with hyperparathyroidism
-child
percent of mean - ANSWERS--take the mean and move the decimal
point over 2 places to make it a percentage
-usually given on a dual femur in order to compare
What is the summary graph? - ANSWERS--graph at the bottom that
shows and compares the numbers
What is the reference graph? - ANSWERS--line graph in which the T-
scores and Z-scores are plotted
END OF
PAGE
1
,ARRT BONE DENSITY LATEST
EXAM
What do the colors onthe reference graph represent? - ANSWERS-
plotted T-scores
What do the lines on the reference graph represent? - ANSWERS-
plotted Z-scores
intervertebral markers - ANSWERS-lines put between the vertebras
Hyperparathyroidism - ANSWERS--excessive levels of parathyroid
hormone
-causes low BMD in more cortical bone
Paget's Disease - ANSWERS--interferes with the recycling process
-bone is fragile
-usually affects the pelvis, spine, skull, and legs
END OF
PAGE
2
,ARRT BONE DENSITY LATEST
EXAM
QCT results are reported in __________ - ANSWERS-g/cm cubed
Peripheral BMD is not used to _______________ - ANSWERS-make a
diagnosis
Why isn't the forearm used to monitor treatment for osteoporosis? -
ANSWERS--it is made up of 99% cortical bone
-cortical bone has a much slower response to therapies
Where is trabecular bone found? - ANSWERS--end of ong bones
-66% of the spine
osteopetrosis - ANSWERS-abnormal condition of stonelike bones
What should be used during serial monitoring? - ANSWERS-BMD
What percentage of women have 5 lumbar vertebrae? - ANSWERS-91%
END OF
PAGE
3
, ARRT BONE DENSITY LATEST
EXAM
According to the WHO criteria, what is the diagnosis of osteoporosis
based on the measurement of bone density? - ANSWERS-2.5 SD or
more below the young adult peak bone density
What is the gold standard technique for measuring bone density? -
ANSWERS-DXA
Cancellous bone is also know as? - ANSWERS-Trabecular Bone
What is the anatomical landmark on the proximal femur that gives the
best visual indication of the degree of rotation of the proximal femur? -
ANSWERS-Lesser Trochanter
Which lumbar vertebra is described as having a characteristic shape of
an X or and H on a DXA PA spine scan? - ANSWERS-L4
Is Forteo a bisphosphonate? - ANSWERS-NO
END OF
PAGE
4
