A grid improves the quality of a diagnostic x-ray primarily by attenuating ____.A、 Primary photonsB、 Compton scattered photonsC、 PhotoelectronsD、 Coherent scattered photons-易过题库-题库最全的搜题网站

A grid improves the quality of a diagnostic x-ray primarily by attenuating ____.

A Primary photons

B Compton scattered photons

C Photoelectrons

D Coherent scattered photons

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