What minimum distance should the operator maintain from the patient and away from the useful beam?

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Multiple Choice

What minimum distance should the operator maintain from the patient and away from the useful beam?

Explanation:
Minimizing occupational exposure relies on distance from the source. The useful beam interacting with the patient creates scatter radiation, and increasing distance reduces dose according to the inverse-square law. Therefore, the operator should stay at least six feet (about 1.8 meters) away from the patient and outside the path of the primary beam during exposure. This distance, used with shielding and minimizing exposure time, keeps doses as low as reasonably achievable. Being closer than six feet markedly increases exposure from scatter; distances farther away are safer, but six feet is the minimum guideline.

Minimizing occupational exposure relies on distance from the source. The useful beam interacting with the patient creates scatter radiation, and increasing distance reduces dose according to the inverse-square law. Therefore, the operator should stay at least six feet (about 1.8 meters) away from the patient and outside the path of the primary beam during exposure. This distance, used with shielding and minimizing exposure time, keeps doses as low as reasonably achievable. Being closer than six feet markedly increases exposure from scatter; distances farther away are safer, but six feet is the minimum guideline.

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