The Principle of DXA Scanning Relies Upon the

question 21

Multiple Choice

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.

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