Digital Radiography and PACS: Chapter 4 Exam Questions And Answers 100% Verified

Digital Radiography and PACS: Chapter 4 Exam Questions And Answers 100% Verified What does the aluminum or lead do in a cassette? - answerAbsorbs back scatter x ray photons Felt; protects against static electricity buildup, dust collection and mechanical damage to plate. - answerWhat is the anti static material usually in PSP cassette and what's its functions? Image plate definition - answerThin sheet of plastic that records the image. What are the layers of the imaging plate? - answerProtective Phosphor reflective conductive color support backing Protective layer definition - answerThin, tough, clear plastic that protects the phosphor layer Phosphor layer definition - answerLayer that traps electrons during exposure. Also may contain a dye that deferentially absorbs the stimulating light to prevent as much spread as possible and functions much the same as dye added to conventional radiographic screens. What is the phosphor layer made up of? - answerPhotostimulable phosphor that is part of the barium fluorohalide family Reflective layer definition - answerLayer that sends light in a forward direction when released in the cassette reader. May be black to reduce the spread of stimulating light and the escape of emitted light. Some detail is lost in this process. Conductive Layer definition - answerMaterial that absorbs and reduces static electricity Color Layer definition - answerAbsorbs the stimulating light but reflects emitted light Where is the color layer located? - answerBetween the active and support layer