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Artifacts-Basic
| Question | Answer |
|---|---|
| Negative density artifact appears... | Dark |
| Positive density artifact appears... | Light |
| In Film-Associated with how tech conducts the exam... | Exposure Artifacts |
| In Film-Improper positioning, pt motion, dbl exposure, incorrect technique, poor screen-film contact, and pt preparation are types of... | Exposure Artifacts |
| In Film-Roller marks, dirty rollers, chemical fog, wet-pressure sensitization are types of.. | Processing Artifacts |
| ...are due to guide shoe errors | Guide shoe marks |
| ...are found on the leading or trailing edge of film, parallel to the direction of film travel | Guide shoe marks |
| ...occur at 3.1416 inch intervals due to dirt or chemical stain on a roller | Pi lines |
| Pressure-type artifacts in emulsion appear as.. | high density artifacts |
| Scrape-type artifacts that remove emulsion appear as... | low density artifacts |
| A special type of chemical fog, meaning "two colors" is called... | dichroic stain |
| ...is caused by a dichroic stain or when chemistry runs up or down the film edge. | Curtain effect |
| Light or radiation fog, kink marks, static, and hypo retention are... | handling & storage artifacts |
| ...are usually caused from handling before processing. | Kink marks |
| ...is caused by build up of e-'s in emulsion, is the most common artifact | Static |
| Crown, tree, and smudge are types of | static artifacts |
| classifications of CR artifacts... | image receptor, software, object |
| Rough handling, dust, scratches, incomplete erasure, and faulty construction are types of... | image receptor artifacts |
| Pre-processing errors and image compression errors are types of.. | software artifacts |
| ...caused by dead pixels | Preprocessing artifacts |
| ..fixes preprocessing artifacts | flatfielding |
| 2 types of compression techniques.. | lossless and lossy |
| improper histogram use, improper collimation and partition are types of... | object artifacts |
| Classifications of film/screen artifacts... | Exposure, processing, handling and storage |