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Compensating Filters

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Question
Answer
show AP Thoracic spine, Lateral Hip & Lateral Cervicothoracid spine (swimmer's)  
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show Absorption of low-energy photons (decreasing dose to patient)  
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show Compensating filters  
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T/F: Without the use of a compensating filer, images of anatomy with varying tissue thickness would require 2 exposures or be of suboptimal quality?   show
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What is the simplest and most common filter shape?   show
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show Clear leaded plastic (Clear-Pb)  
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show C. Between the tube and the patient  
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The trough is made of what material?   show
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show B. Contact  
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show Disadvantage of aluminum filters  
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Which compensating filter is used for AP projections of the thoracic spine?   show
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Which compensating filer is used for AP projections of the hips, knees, ankles, and long axis of T-spine, foot, & upright abdomen?   show
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show Shoulder and facial bones  
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The _________filter has 2 models for lateral and oblique projection use   show
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show Leaded plastic  
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show Silicon rubber  
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show Shape, Composition & placement  
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show Body part  
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What filter is used on body parts that vary in thickness along the long axis?   show
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Numerous special shapes have been designed for more technically challenging exams, which filters are these?   show
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What are the 2 categories of filer placement?   show
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What 2 places can contact filters be placed?   show
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T/F: When placed on patient, the filter decreases skin entrance exposure?   show
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What filter is used on parts that are thin (less dense) on the edges & thick (more dense) in the center?   show
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show Ferlic  
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show Convex and concave conical-shaped filters  
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CT uses what shape filter to compensate for the rounded shape of head?   show
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What 2 ways is exposure reduced?   show
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show C. reducing patient dose  
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Filters placed under the patient may cause ______, which can be objectionable to the radiologist?   show
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show B. Contact  
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show False  
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T/F: Placement of a compensating filter between the anatomy of interest and the IR can produce objectionable artifacts   show
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show True  
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show False  
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T/F: Filters are specifically designed to be used with only one body part or radiographic exam   show
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T/F: Pediatric patients rarely require the use of compensating filters   show
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show True  
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show False  
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show True  
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show False  
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Created by: swisscheese
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