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Bone density registry review Ch 1 Exam Questions and Answers
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Bone density registry review Ch 1 Exam Questions and Answers
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Bone density registry review Ch 1Exam Questions and Answers
What are the 4 skeletal classifications that apply to the calcaneus? - -
Appendicular, peripheral, predominantly trabecular, and weight-bearing
-What percentage of trabecular bone is found in the PA lumbar spine as
measured by dual energy X-ray absorptiometry? - -66
-The standardized BMD (sBMD) reduces the differences in BMD between
manufacturers at the PA lumbar spine or total femur to what percentage
range? - -3 to 6%
-The sBMD for a PA spine value of 0.932 g/cm^2 obtained using a Borland
dual energy X-ray (DXA) densitometer is? - -1003 mg/cm^2
-The average bone density for 3 or 4 vertebrae is preferred to the bone
density of only 1 vertebrae for diagnosing osteoporosis and monitoring
therapy because: - -
-In densitometry the T-score indicates the number of standard deviations
(SDs) above or below the predicted value for the patient's age that the
patient's value actually lies. - -False
-The %-Young Adult comparison indicates the amount of bone loss that a
patient has experienced. - -False
-In the Z-score scale, the average value is assigned what Z-score? - -0
-A Z-score of 1.5 is equivalent to what AGCT score? - -130
-What year did the NHANES III proximal femur reference database first
replace or supplement the proximal femur reference databases supplied by
the manufacturers of bone density devices? - -1997
-The proximal femur, forearm, pelvis, and scapulae all belong to which
skeletal classification? - -Appendicular
-Two bones with identical volumetric densities may have different densities
when measured by DXA because: - -They differ in size
-How many decimal places to the right of the decimal point does the
International Society for Clinical Densitometry recommend be used in
reporting the T-score? - -1
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