The light field and radiation field of a radiographic unit must be congruent to within ____ of the SID.
A)±1%
B)±2%
C)±3%
D)±5%

Name: The light field and radiation field of a radiographic unit must be congruent to within ____ of the SID. A)±1% B)±2% C)±3% D)±5%
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Question

Quizplus · Accepted Answer

The light field and radiation field of a radiographic unit must be congruent to within ±2% of the Source-to-Image Distance (SID) to ensure accurate alignment and minimize patient exposure.

The Light Field and Radiation Field of a Radiographic Unit