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What is one approach to reducing noise in CT imaging?
What is one approach to reducing noise in CT imaging?
- Using large voxels or a smoothing filter (correct)
- Increasing the number of projections
- Decreasing radiation dose
- Using small voxels and edge-enhancing filters
What is the primary goal of any CT system?
What is the primary goal of any CT system?
- To accurately reproduce internal structures as two-dimensional images (correct)
- To filter the x-ray beam
- To display images in three dimensions
- To overcome superimposition of structures and demonstrate slight differences in tissue contrast
What role does heavy filtration of the x-ray beam play in CT image formation?
What role does heavy filtration of the x-ray beam play in CT image formation?
- It is not directly related to CT image formation (correct)
- It increases noise
- It improves tissue contrast
- It reduces superimposition of structures
Which of the following is true about voxels in CT imaging?
Which of the following is true about voxels in CT imaging?
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