Podcast
Questions and Answers
How does the size of the focal spot affect CT spatial resolution?
How does the size of the focal spot affect CT spatial resolution?
- Larger focal spots improve resolution.
- Smaller focal spots improve resolution. (correct)
- Smaller focal spots decrease resolution.
- Smaller focal spots have no effect on resolution.
What effect does slice thickness have on CT images?
What effect does slice thickness have on CT images?
- Slice thickness has no impact on image sharpness.
- Thicker slices produce sharper images.
- Thicker slices improve spatial resolution.
- Thinner slices produce sharper images. (correct)
Which of the following statements about detector size is true?
Which of the following statements about detector size is true?
- Smaller detector widths decrease resolution.
- Wider detectors increase spatial resolution.
- Smaller detector sizes lead to improved resolution. (correct)
- Detector size does not influence spatial resolution.
How does field of view (FOV) size relate to spatial resolution in CT?
How does field of view (FOV) size relate to spatial resolution in CT?
What is the relationship between pixel size and spatial resolution?
What is the relationship between pixel size and spatial resolution?
Flashcards
Focal Spot Size
Focal Spot Size
A smaller focal spot produces sharper images with higher spatial resolution.
Detector Size
Detector Size
A smaller detector width leads to higher spatial resolution, resulting in sharper images.
Slice Thickness
Slice Thickness
Thinner slices provide finer detail and higher spatial resolution in CT images.
Field of View (FOV)
Field of View (FOV)
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Pixel Size
Pixel Size
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Study Notes
CT Spatial Resolution Factors
- Focal Spot Size: Smaller focal spots lead to higher spatial resolution.
- Detector Size: Smaller detector widths yield higher spatial resolution.
- Slice Thickness: Thinner slices create sharper, higher-resolution images.
- Field of View (FOV): A smaller FOV produces finer resolutions.
- Pixel Size: Smaller pixel sizes improve resolution.
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Description
Explore the key factors that influence spatial resolution in CT imaging. Understanding elements such as focal spot size, detector width, slice thickness, field of view, and pixel size can greatly enhance image quality. Test your knowledge and learn how these variables impact the clarity of CT scans.
