DXA Exam Practice Questions and Answers |Fall 2025/2026
Update | 100% Correct Latest
Page 1 of 69
,Question 1
what score does a premenstrual women get?
Correct Answer
z score
Question 2
what is a 3 compartment method for the assessment of body composition?
Correct Answer
DXA, dual energy x ray absorptiometry, whole body scan
Question 3
which skeletal sites should be used for monitoring?
Correct Answer
1. Measure the skeletal site or type of bone that is expected to be affected by the disease process or therapy.
2.of those sites, measure the site with greatest change in BMD is expected to change.
3. of those sites, measure the site with BMD with best precision.
4. peripheral sites are not used for monitoring by any technique
Question 4
Z score and % age matched does what comparison
Correct Answer
both compare the patients BMD to the BMD that is expected for an individual of the same age and sex
Page 2 of 69
,Question 5
What is the current ISCD guidelines for precision for a technologist?
Correct Answer
1.9 at lumbar spine, 1.8 total hip, 2.5 femoral neck
Question 6
t score and % young adult comparison
Correct Answer
compare the patients BMD to the peak BMD value that is expected for a healthy young person of the same sex.
Question 7
What are some sources of precision error?
Correct Answer
ideally, same technologist would perform baseline and follow up on the same machine. different machine
Question 8
What will be on the computer screen or printout?
Correct Answer
The skeletal image, measured and calculated bone density parameters, comparisons to the reference database,
sBMD, age regression graph, assignment to category by WHO criteria.
Page 3 of 69
, Question 9
What is absolute fracture risk in clinical practice?
Correct Answer
first is over what time frame the particular risk applies and second is the type of fracture to which absolute risk
applies. like 5 years, 10 years, for hip fracture
Question 10
what is the gold standard for measuring body composition is
Correct Answer
underwater weight UWW, 2 compartment technique
Question 11
What is FRAX?
Correct Answer
10 year absolute fracture risk predication algorithm 2008. Probability of hip fracture.
Question 12
What is the LSC for precision?
Correct Answer
least significant change
Page 4 of 69
Update | 100% Correct Latest
Page 1 of 69
,Question 1
what score does a premenstrual women get?
Correct Answer
z score
Question 2
what is a 3 compartment method for the assessment of body composition?
Correct Answer
DXA, dual energy x ray absorptiometry, whole body scan
Question 3
which skeletal sites should be used for monitoring?
Correct Answer
1. Measure the skeletal site or type of bone that is expected to be affected by the disease process or therapy.
2.of those sites, measure the site with greatest change in BMD is expected to change.
3. of those sites, measure the site with BMD with best precision.
4. peripheral sites are not used for monitoring by any technique
Question 4
Z score and % age matched does what comparison
Correct Answer
both compare the patients BMD to the BMD that is expected for an individual of the same age and sex
Page 2 of 69
,Question 5
What is the current ISCD guidelines for precision for a technologist?
Correct Answer
1.9 at lumbar spine, 1.8 total hip, 2.5 femoral neck
Question 6
t score and % young adult comparison
Correct Answer
compare the patients BMD to the peak BMD value that is expected for a healthy young person of the same sex.
Question 7
What are some sources of precision error?
Correct Answer
ideally, same technologist would perform baseline and follow up on the same machine. different machine
Question 8
What will be on the computer screen or printout?
Correct Answer
The skeletal image, measured and calculated bone density parameters, comparisons to the reference database,
sBMD, age regression graph, assignment to category by WHO criteria.
Page 3 of 69
, Question 9
What is absolute fracture risk in clinical practice?
Correct Answer
first is over what time frame the particular risk applies and second is the type of fracture to which absolute risk
applies. like 5 years, 10 years, for hip fracture
Question 10
what is the gold standard for measuring body composition is
Correct Answer
underwater weight UWW, 2 compartment technique
Question 11
What is FRAX?
Correct Answer
10 year absolute fracture risk predication algorithm 2008. Probability of hip fracture.
Question 12
What is the LSC for precision?
Correct Answer
least significant change
Page 4 of 69
