Exam-style question
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Define spatial resolution and contrast resolution in the context of X-ray imaging.
Model answer
What a good answer should say
- Spatial resolution refers to the ability of an imaging system to distinguish between two closely spaced objects, while contrast resolution is the ability to differentiate between varying shades of gray in an image.
- Spatial resolution is crucial for identifying small structures, whereas contrast resolution is important for visualizing differences in tissue density.
Explanation
Why this works
This question tests the understanding of key image quality factors in X-ray imaging. By defining both terms and highlighting their differences, students demonstrate their grasp of how these factors influence image quality.
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