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CT Spatial Resolution Factors

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Questions and Answers

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?

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?

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?

<p>A smaller FOV provides finer resolution.</p> Signup and view all the answers

What is the relationship between pixel size and spatial resolution?

<p>Smaller pixel sizes improve spatial resolution.</p> Signup and view all the answers

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.