The purpose of the lead foil in the film packet is to absorb back-scattered x-rays to reduce film fog.

Name: The purpose of the lead foil in the film packet is to absorb back-scattered x-rays to reduce film fog.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The lead foil in the film packet helps to absorb back-scattered x-rays, which can cause the film to become foggy and reduce image sharpness. This enhances the quality of the resulting radiographic image.

The Purpose of the Lead Foil in the Film Packet