DXA Module 13

Question 1

What body composition test uses Archimedes principle to obtain results?

Answer 1

underwater weighing

Question 2

When using the Siri or Brozek formulas, a decrease in bone mineral density can result in what overestimation?

Answer 2

overestimation of body fat percentage

Question 3

Which site is not used to measure skin fold thickness with a caliper?

Answer 3

bicep

Question 4

The ISCD supports DXA total body composition scans for bariatric patients when they are expecting weight loss to exceed what percent?

Answer 4

10%

Question 5

____ of total muscle loss per decade results from a sedentary lifestyle after age 30

Answer 5

3 to 5%

Question 6

How long should a facility delay DXA scan following the administration of contrast media or radiopharmaceutical agent?

Answer 6

1 week

Question 7

A DXA scan of the trunk region of interest will not include data from where?

Answer 7

proximal femurs

Question 8

The difference in mean body fat between men and women increases to 12% between the ages of what and what?

Answer 8

16 to 19

Question 9

What level of skeletal muscle mass indicates the presence of sarcopenia in women?

Answer 9

below 5.45 kg/m2