DXA Module 1 Flashcards
1
Q
Is MRI a modality used for bone density scans?
A
No
2
Q
Can distal femur, rib, or sacrum be used for bone density?
A
No
3
Q
Pencil beam scanners use a pinhole collimator to emit a pencil-width x-ray beam (T/F)
A
True
4
Q
Some DXA scanners can accommodate patients up to how many pounds?
A
450
5
Q
How often will Medicare pay for bone densities?
A
every 23 months
6
Q
Which manufacturers use external calibration?
A
Norland-Swissray and GE
7
Q
Which manufacture uses internal calibration?
A
Hologic
8
Q
What T-score indicates osteopenia?
A
-1 to -2
9
Q
Which patient demographics should use a Z-score and not a T-score?
A
children and pre-menopausal women
10
Q
In what year was the bone measurement act passed by congress?
A
1997
11
Q
Is ‘tolerance of pain’ a contributing factor in needing to get a bone scan?
A
no
