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Unformatted text preview: ow high, low high, high A and C 4 8. Which of the following is the kind of filtration attributed to the xray tube envelope? A. B. C. D. 9. The ______________ filtration tends to increase slightly as the tungsten filament and target are vaporized and deposited on the inner surface of the glass envelope. A. B. C. D. E. 10. 0.5 1.0 2.5 3.0 3.5 mm mm mm mm mm The thickness of a specific interposed substance that reduces the original exposure by half describes: A. B. C. D. E. 12. Coherent Added Inherent Aluminum Collimating How much aluminum must be used on procedures that use above 70 kVp? A. B. C. D. E. 11. Inherent Added Aluminum Collimation Collimator A wedge filter Half Value Layer Radioactive half life Square Law The relationship between filtration and radiographic density? A. B. C. None Direct Inverse 5 13. ________________ filters are most commonly constructed of an acrylic type plastic with small quantities of lead crystals. A. B. C. D. E. 14. With less filtration the beam is much mo...
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