BMD REVIEW 2025/26 QUESTIONS &
ANSWERS RATED 100% CORRECT.
1 of 207
Term
How often should you perform the QA on the DXA unit?
Give this one a try later!
Everyday you scan All of the above
By scanning the phantom 10 times
without repositioning and then Generally after age 70
calculate the mean of the readings
, Don't know?
2 of 207
Term
Which of the following would best describe the effective dose for a
central DXA scan?
a) Less than a day of background radiation
b) Less than a round trip from Boston to LA
c) One-tenth of a chest xray
Give this one a try later!
All of the above Increase the BMD
QCT spine All of the aboive
Don't know?
3 of 207
Term
TRUE OR FALSE: The measure of the variability or the spread of data
around the mean is termed standard deviation
Give this one a try later!
, True False- Compact
False- 5-19 years old False
Don't know?
4 of 207
Term
TRUE OR FALSE: Discordance is a term that is rarely used in bone
densitometry
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True False- Compact
False False-Cortical
Don't know?
5 of 207
Term
Central sites
Give this one a try later!
, Head and femur Hip and knee
Spine and femur Neck and humerus
Don't know?
6 of 207
Term
What are the two most common methods for shifting the energies in
DXA units?
Give this one a try later!
Frequency modulation and Phase Amplitude modulation and Signal
shifting amplification
Energy shifting and K-edge Wavelength adjustment and
filters Polarization filters
Don't know?
7 of 207
Term
Sv
ANSWERS RATED 100% CORRECT.
1 of 207
Term
How often should you perform the QA on the DXA unit?
Give this one a try later!
Everyday you scan All of the above
By scanning the phantom 10 times
without repositioning and then Generally after age 70
calculate the mean of the readings
, Don't know?
2 of 207
Term
Which of the following would best describe the effective dose for a
central DXA scan?
a) Less than a day of background radiation
b) Less than a round trip from Boston to LA
c) One-tenth of a chest xray
Give this one a try later!
All of the above Increase the BMD
QCT spine All of the aboive
Don't know?
3 of 207
Term
TRUE OR FALSE: The measure of the variability or the spread of data
around the mean is termed standard deviation
Give this one a try later!
, True False- Compact
False- 5-19 years old False
Don't know?
4 of 207
Term
TRUE OR FALSE: Discordance is a term that is rarely used in bone
densitometry
Give this one a try later!
True False- Compact
False False-Cortical
Don't know?
5 of 207
Term
Central sites
Give this one a try later!
, Head and femur Hip and knee
Spine and femur Neck and humerus
Don't know?
6 of 207
Term
What are the two most common methods for shifting the energies in
DXA units?
Give this one a try later!
Frequency modulation and Phase Amplitude modulation and Signal
shifting amplification
Energy shifting and K-edge Wavelength adjustment and
filters Polarization filters
Don't know?
7 of 207
Term
Sv
