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Questions and Answers
What is the effect of higher grid ratio on contrast?
What is the effect of higher grid ratio on contrast?
- Decreases the image contrast
- Causes severe grid cutoff
- Has no impact on image contrast
- Increases the image contrast (correct)
What happens when intensifying screens are used with x-ray photons?
What happens when intensifying screens are used with x-ray photons?
- X-ray photons are scattered
- X-ray photons are converted into visible light (correct)
- X-ray photons are converted into heat energy
- X-ray photons are absorbed by the cassette
What are the causes of scatter radiation?
What are the causes of scatter radiation?
- Low kVp levels, small field size, large tissue thickness
- Low kVp levels, large field size, small tissue thickness
- High kVp levels, large field size, large tissue thickness (correct)
- High kVp levels, small field size, small tissue thickness
What is included in the image receptor (IR)?
What is included in the image receptor (IR)?
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What is the result of improper placement of the grid?
What is the result of improper placement of the grid?
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