Radiology Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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Filtration of the x-ray beam protects the patient by doing what?

Increasing beam intensity

Filtering out short wavelengths

Eliminating scatter radiation

Eliminating long wavelengths from the x-ray beam

Filtration of the x-ray beam plays a crucial role in enhancing patient safety during imaging procedures. It primarily works by removing lower energy (long wavelength) x-rays from the beam. These less energetic photons are not only less effective in producing diagnostic images but also contribute to unnecessary radiation exposure to the patient.

By filtering out these longer wavelengths, the quality of the x-ray beam is improved. This results in a higher proportion of higher-energy photons, which are more capable of penetrating tissues effectively and contributing to a clearer image, while simultaneously reducing patient dose. This process ultimately ensures that the radiation dose is minimized without compromising the diagnostic quality of the images produced.

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