DXA Module 11 Flashcards
1
Q
How many Americans have low bone mass or osteoporosis?
A
54 million
2
Q
What is considered the “gold standard” for analyzing bone density?
A
DXA ofd the spine and femur
3
Q
Total skeletal mass is made up of approximately _____% cortical bone and _____% trabecular bone?
A
80% cortical - 20% trebecular
4
Q
The area of the femoral neck most affected by early bone loss is?
A
Ward’s area
5
Q
To position the hip for a DXA scan, the entire leg is rotated inward for what reason?
A
to place the femoral neck parallel to the table
6
Q
According to the World Health Organization classification system, a DXA scan reporting a T-score of -2.5 or less would suggest what?
A
osteoporosis