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RAD 110 Final Exam

Part 6

QuestionAnswer
Decreasing collimation will result in? 1.increased image scatter 2. decreased contrast 3. increased patient dose
Select all that a tech could do/use to correct unsharpness of edges in a digital image 1. Use supportive devices to minimize motion 2. Decrease OID 3. Use a smaller focal spot
Select all that a tech could do to fix poor contrast in a digital image 1. Use a grid 2. Increase collimation 3. Adjust window width
What are advantages of collimation? 1. Less patient dose 2. Improved Spatial Resolution 3. Less scatter
Which of the following can affect the radiographic contrast present on the manifested image? 1. Beam restriction 2. OID 3. Tissue density 4. Pathology
Brightness in film is controlled by? mAs
Brightness in digital is controlled by? 1. Automatic rescaling 2. Window level 3. Brightness of monitor
Contrast in film is controlled by? kVp
Contrast in digital is controlled by? 1. Bit depth 2. LookUp Table 3. Window Width
What controls Sharpness of edges? 1. SID 2. OID 3 FSS 4 Motion
What controls Loss of detail? Type of system/IR
What controls distortion? 1. SID 2. OID
What controls shape? Alignment of IR, CR and body part
Image ID requirements 1. Date 2. Patient’s name or ID number 3. Right or left side marker 4. Institution
Created by: user-2016295
 

 



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