Chapter 11 - Filtration
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| Any filtration that occurs outside the tube and housing before the image receptor | added filtration
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| Used to even out unequal densities | compensating filter
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| The use of two or more materials to complement one another in their absorbing abilities; also known as K-edge filters. | compound filter
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| Any material designed to effectively absorb photons from the x-ray beam | filter
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| The amount of absorbing material that will reduce the intensity of the primary beam to one-half its original value. | half-value layer (HVL)
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| Results from the composition of the tube and housing | inherent filtration
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| The use of two or more materials to complement one another in their absorbing abilities; also known as compound filters. | K-edge filter
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| A type of compound filter consisting of tin, copper, and aluminum, in that order, typically used in radiation therapy. | thoraeus filter
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| The sum of inherent and added filtration | total filtration
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| A type of compensating filter used to even out densities such as the mediastinum | trough filter
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| A type of compensating filter used to even out densities such as in the foot or lower extremities | wedge filter
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| The process of eliminating undesirable low-energy x-ray photons by the insertion of absorbing materials into the primary beam? | Filtration
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| What is the standard filter material used in diagnostic radiography? | Aluminum
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| What are the two most common compensating filters? | wedge filter and trough filter (sometimes called a double wedge)
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| Exposure Factors Chapter 11 - Filtration |
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