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DOH Mammography (DOH-Mamm) Practice Tests & Test Prep by Exam Edge

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DOH Mammography Sample Test

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Another term used to identify compound filters are:

Correct Answer:

k-edge filter

the correct answer to the question about another term used to identify compound filters is "k-edge filter." compound filters are distinct in that they use multiple types of materials to absorb photons effectively. these types of filters are also referred to as k-edge filters due to their design and functionality.

the design of a k-edge filter involves arranging the materials in layers based on their atomic numbers. the material with the highest atomic number is placed closest to the x-ray tube. this arrangement is crucial as it helps in maximizing the absorption of higher-energy photons. conversely, the material with the lowest atomic number is positioned closer to the patient or the individual undergoing the imaging procedure. this setup minimizes the radiation exposure to the patient while ensuring effective imaging.

an exemplary implementation of a compound filter is the thoraeus filter, which is commonly utilized during radiation therapy. this particular filter comprises layers of tin, copper, and aluminum. the strategic placement of these materials in descending order of their atomic numbers helps in achieving a gradient of photon absorption, which is essential for producing high-quality radiographic images.

therefore, understanding the terminology and the structure of compound filters, specifically k-edge filters, is critical in fields that involve radiographic imaging and radiation therapy. these filters play a vital role in enhancing image quality while simultaneously reducing unnecessary radiation exposure to patients.