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WorksheetsBONE DENSITOMETRY (DEXA) - HY
Total questions: 10
Worksheet time: 5mins
The Lateral Vertebral Assessment (LVA) may be recommended for older patients, especially in what (3) conditions?
Have lost more than an inch of height
suspicious cysts on the lumbar vertebrae
DEXA scan gives borderline readings
Unexplained back pain
Weight-bearing exercises such as high impact aerobics are recommended for women with low bone density.
True
False
Patients should not take calcium supplements for at least how many hours before DEXA examination?
24 hours
8 hours
6 hours
12 hours
There are two types of DEXA equipment: a central device and a peripheral device. Which of the statement below is false?
The pDEXA device is much smaller than the Central DEXA device (weighing only about 60 pounds).
Peripheral devices measure bone density in the wrist, heel or finger.
Central devices have a large, flat table and an "arm" suspended overhead.
Central DEXA devices measure bone density in the hip and spine.
None of above.
According to T score, a score between -1 and -2.5 is classified as x (low bone mass) and a score below -2.5 is defined as y. What is x and y?
x = osteopenia , y = osteoporosis
y = osteoporosis , x = osteopenia
x = osteoarthritis , y = osteoporosis
x = osteopenia , y = osteomalacia
Central DEXA devices are less sensitive than pDEXA devices but they are also somewhat cheaper.
True
False
DEXA is used to evaluate for osteoporosis due to calcium loss which is a silent progressive disease. Which is NOT the common cause of calcium loss?
Thin and small framed
Endocrine treatment for prostate cancer
Late menopause
Treatments for obesity in adults and children
If you recently had a barium examination or have been injected with a contrast material for a computed tomography (CT) scan or radioisotope scan. How many days you have to wait before undergoing a DEXA test?
10 to 14 days
3 to 5 days
1 to 2 days
within a month
After menopause, a woman’s risk of suffering a spine or femur fracture is X times that of a man. What is the value of X?
2
3
4
0
Bone density testing is strongly recommended if you have type 1 (formerly called juvenile or insulin-dependent) diabetes, liver disease, kidney disease or a family history of osteoporosis.
True
False
