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VET 246 Week 2
Optimizing the image
Question | Answer |
---|---|
Motion | Unwanted movement or restlessness of the patient during an x-ray exposure. |
Blur | Results from patient motion. |
Distortion | Foreshortening or elongation due to angulation of the body, cassette, or the tube. |
Magnification | An equal/even distortion of an entire body part. |
Parallel Grid | Absorbs the radiation at the edges of the image. |
Focused Grid | Allows the X-rays to pass through, even at the edge of the image. |
Illuminators | Transmits light evenly throughout the image on film. |
Filtration | A mirror inside the collimator attenuates the x-ray beam. |