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CR/DR Exam Questions & Answers 2024/2025 $8.99   Add to cart

Exam (elaborations)

CR/DR Exam Questions & Answers 2024/2025

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CR/DR Exam Questions & Answers 2024/2025 Exposure indicators may be miscalculated due to: 1) Exposure field recognition errors 2) Unexpected attenuators in the collimated field 3) Increased or decreased radiation exposure a) 1, 2 and 3 b) 1 and 3 c) 1 and 2 d) 2 and 3 - ANSWERSc) 1 and ...

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  • November 22, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CR/DR
  • CR/DR
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CR/DR Exam Questions & Answers
2024/2025

Exposure indicators may be miscalculated due to:

1) Exposure field recognition errors

2) Unexpected attenuators in the collimated field

3) Increased or decreased radiation exposure

a) 1, 2 and 3

b) 1 and 3

c) 1 and 2

d) 2 and 3 - ANSWERSc) 1 and 2



The data used by the computer during an a priori histogram analysis is termed:

a) Discrete values

b) Standardized Values

c) Values of interest

d) Quantized values - ANSWERSb) Standardized Values



Which of the following exposure indicators have a logarithmic relationship to the exposure level?

a) Agfa LgM

b) Cannon rex

c) Siemens EXI

d) Fuji/Kodak/Philips S number - ANSWERSa) Agfa LgM



A DAP readout depends on:

a) Part thickness

b) Generator type

, c) Receptor type

d) Beam size - ANSWERSd) Beam size



To use a CAD system properly, radiologists should:

a) Look at the CAD results before interpreting a mammogram

b) Use the CAD to "spot-check" random mammograms

c) Never be told the results of the CAD interpretation

d) Interpret the mammogram before looking at the CAD results - ANSWERSd) Interpret the mammogram
before looking at the CAD results.



The optimal value ranges for exposure indicators are best determined by evaluating the noise level. This
evaluation is best determined by a:

a) Neural analysis

b) Radiography manager

c) DAP meter

d) Radiologist - ANSWERSd) Radiologist



The process that assigns discrete values to signal samples from the image receptor is called?

a) Bit depth

b) Rescaling

c) Amplification

d) Quantization - ANSWERSd) Quantization



Which type of system is more likely to use a line scanning image extraction?

a) CCD

b) Flat-panel DEL

c) Cassette-based PSP

d) Cassette-less PSP - ANSWERSd) Cassette-less PSP

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