Medical Science · Radiology
Why is a high grid ratio (10:1–12:1) recommended in cranial radiography?
- 1Significant quantum noise is produced by the skull
- 2Low kVp is used in skull radiography
- 3Compton interactions cause thick skull bone to produce high scatter radiation✓
- 4Low ratios result in underexposed images
Correct answer
Compton interactions cause thick skull bone to produce high scatter radiation
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