When the Voxel Is Large Enough to Contain Different Types

question 19

Multiple Choice

When the voxel is large enough to contain different types of tissues, the CT number will be an average of the various tissues' attenuation characteristics. This produces a ____________________

• A) streak artifact
• B) ring artifact
• C) partial-volume artifact
• D) beam-hardening artifact

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Definitions:

Blind Spot

An area in the visual field that lacks light-detecting photoreceptor cells, making it insensitive to light.

Ganglion Cells

Specialized neurons located in the retina that play a critical role in the visual system by transmitting image information from the photoreceptors to the brain.

Photoreceptor Cells

Specialized cells in the retina of the eye that respond to light, enabling vision by converting light into electrical signals.

Pupil

The opening in the center of the iris of the eye that controls how much light enters the eye.