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What is the purpose of an intensifying screen?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:17| Question number:21

waelhammad

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2022-10-21

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What is the purpose of an intensifying screen?

It converts a small number of x-ray photons into a large number of visible light photons.
It converts low energy x-ray photons into high energy visible light photons.
It improves the absorption efficiency of x-rays
It protects the radiologist’s eyes from the damage that would be caused by x-rays.

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waelhammad

2022-10-21

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A: it converts x-rays (which have high energies but are invisible) into visible light photons. Because visible light photons have low energy, an x-ray photon can be made to produce lots of them.

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