contrast-DENH
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is contrast between film/object? | degrees of blackness between areas
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| what is high contrast(SHORT)? | black & white (KVP less than 65), NOT GOOD FOR PATHOLOGIES
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| WHAT IS LOW CONTRAST(LONG)? | SHADES OF GREY (KVP 90-100), GOOD FOR CARIES & BONE LOSS
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| WHAT IS CONTRAST: FILM/OBJECT DETERMINED BY? | THICKNESS OF OBJECT, DENSITY OF OBJECT, CHEMICAL COMPOSITION OF OBJECT, QUALITY OF BEAM (KVP), AND SCATTER RADIATION
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| WHAT IS CONTRAST: FILM? | SHOWS DIFFERENCES IN SUBJECT (DENSITY)
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| WHAT IS CONTRAST: FILM DETERMINED BY? | AMT OF RADIATION/EXPOSURE, PROPERTIES OF FILM, INTENSIFYING SCREENS, FILM PROCESSING,VIEWING CONDITIONS
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