LMRT Review 2024 QUESTIONS AND SOLUTIONS

LMRT Review 2024 QUESTIONS AND SOLUTIONS indicator number - Answer -how much radiation was absorbed into the phosphors image stitching - Answer -stitching together multiple images - useful for scoliosis studies of the spine, long bone studies or angiographic imaging of peripheral vasculature. - to view as a single image. image annotation - Answer -allow the technologist to inset preset text or manual text on the image contrast resolution (digital) - Answer -Ability to distinguish anatomic structures having similar subject contrast spatial resolution - Answer -Refers to the amount of detail present in any image.Phosphor layer thickness and pixel size determines resolution in CR. pixel - Answer -A single square within a matrix matrix - Answer -a series of very small boxes that form a digital image direct conversion - Answer -one step process in DR where flat panel detectors convert the x-ray energy directly to an electric signal using an amorphous selenium detector for immediate viewing charged coupled device - Answer -component which light enters and is converted into video or electronic signal thin film transistor - Answer -used to read charges collected during an exposure photodiode - Answer -A silicon solid state device sensitive to light. Converts light into an electrical signal. scintillator - Answer -Amorphous silicon requires a _____ such as cesium iodide or a rare earth intensifying screen composed of gadolinum and lanthanum with oxysulfides. This also converts x-rays to visible light. flat panel detector - Answer -a type of digital detector employing amorphous silicon or selenium detector material, bonded with thin-film transistor technology for digital image creation and amplification density - Answer -It is the degree of blackening of a radiograph resulting from radiation exposure and processing and one of the two photographic properties that com