Answers 2025/2026
bone densitometry - is a general term used to describe the __ and __ of measuring __ __ __ and
__ of specific skeletal sites or the whole body - ANSWERSart, science, bone mineral content,
density
bone densitometry is used to (4) - ANSWERSassess bone strength, diagnose disease associated
with low bone density, monitor therapy, predict fracture risk
the purpose of bone densitometry
measure __
detect __ __
establish the diagnosis of __
assess the individual's risk of __
assess the response to __ __
perform __ __ __ (VFA) - ANSWERSBMD, bone loss, osteoporosis, fracture, osteoporosis
therapy, vertebral fracture assessment
the 2 techniques used for bone densitometry are - ANSWERSultrasound, ionizing radiation
most commonly used for bone densitometry is - ANSWERSdual energy x-ray absorptiometry
DXA is a __ technique
it is BMD without soft tissue - ANSWERSsubtraction
, DXA uses __ different x-ray photon energies that are passed through the patient
then the detectors __ and __ the low and high energy photons received from the patient -
ANSWERS2, separate, measure
machines from different manufacturers operate differently and yield __ __
they are not comparable without __ - ANSWERSdifferent values, standardization
original scanners used a __ __ and a __ detector - ANSWERSpencil beam, single
the new detectors use a __ __ with a __ __ detector = reduced scan time - ANSWERSfan beam
(array beam), multi element
z-score standard compares the patient with an _____ - ANSWERSaverage individual of the same
age and sex
t-score compares the patient with an ______ - ANSWERSaverage young healthy individual of the
same sex with peak bone mass
(t-score/z-score) compares a patient with an average individual of the same age and sex -
ANSWERSz-score
(t-score/z-score) compares a patient with an average young healthy individual of the same sex
with peak bone mass - ANSWERSt-score
t-score classification
Normal = __
osteopenia = __
osteoporosis = __