The principle of DXA scanning relies upon the
A) attenuation of two discrete photon energy levels through soft tissue and bone.
B) measurement of scatter energy from the patient at two energy levels.
C) measurement of scatter photon energy subtracted from primary photon energy.
D) ratio of Bremsstrahlung and characteristic radiation production.
Correct Answer:
Verified
Q21: Match the following choices with the correct
Q22: Proper patient positioning for DXA scans of
Q23: DXA scanning systems
A)are classified as fan beam
Q24: Quality control procedures with DXA systems
A)are done
Q25: Match the following choices with the correct
Q27: A modern DXA scanning system consists of
1)workstation
2)x-ray
Q28: The BMD values of a DXA phantom
A)change
Q29: Match the following choices with the correct
Q30: The radiation dose during DXA studies
A)is less
Q31: Match the following choices with the correct
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