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When increasing Filtration, What happens to the Scale of Contrast?

A) Increases the scale.
B) Decreases the scale.
C) No change in scale.
D) Inverts the scale.

User Prgao
by
8.5k points

1 Answer

4 votes

Final answer:

Increasing filtration decreases the scale of contrast as it removes low-energy photons from the X-ray beam, reducing the differences in tissue densities in the resulting image. Option B is correct.

Step-by-step explanation:

When increasing filtration, the scale of contrast typically decreases. This outcome occurs because filtration tends to remove low-energy photons from the X-ray beam, which are responsible for creating contrast in the resulting image.

Without these lower-energy photons, the differences between tissues of slightly different densities become less apparent, leading to a reduction in contrast. In radiologic terms, this means we would observe a longer or 'grayer' scale of contrast. Thus, the correct answer is B) Decreases the scale.

User Arp
by
8.5k points
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