DR & PACS ch5 Word Scramble
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Question | Answer |
Why is the size of the IP important? | If the cassette is too big the image will have less detail. By using the smallest IP the image will turn out having a higher sampling rate. |
How is the grid selected for an exam? | Based on frequency, ratio, focus, and size. |
Why is collimation important? | The more tissue that is being exposed results in more scatter and radiation to the patient and it reduces grid cleanup. |
How could lack of collimation affect the image? | The image will have decreased contrast. |
What is it important to use left and right markers on every image? | It identifies the side being examined and the tech who preformed the exam. |
What happens to an image if it has insufficient photons? | The image will be noisy. |
What is the purpose of algorithms? | Determine collimation borders and histogram formation. |
What are the four common types of artifacts? | Plate, plate reader, imaging processing, and printer. |
Created by:
jenny.dvorak
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