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img crit mid 3

image critique midterm - QA QC detail and distortion

QuestionAnswer
Compared to quality control, a quality assurance program does what? deals with people
Radiographic kVp should be evaluated how often? annually
Focal spot size should be evaluated how often? annually
What might be used to evaluate focal spot size? slit camera
What QC test is used to evaluate total filtration of the primary beam? half value layer
What kind of FSS causes the least amount of focal spot blur? low FSS
What kind of SID causes the least amount of focal spot blur? high SID
What kind of OID causes the least amount of focal spot blur? low OID
The tolerance for FSS is: +/- 50%
The tolerance for exposure linearity is: +/- 10%
The tolerance for exposure reproducibility is: +/- 5%
The tolerance for the accuracy of kVp is: +/- 4 kVp
Protective apparel should be checked for defects how often? annually
The level of the tomographic section (fulcrum) and the actual level of the tomographic section should be within: +/- 5mm
For angles less than 30 degrees, how much can the angle readout be off? +/- 5 degrees
Created by: annaluz87