RAD 370 Final study guide Solutions Updated 2024

RAD 370 Final study guide Solutions Updated 2024 Question 1 = - ANSWER-Histogram Histogram - ANSWER-A graphic representation of a digital image, assigns values in reference to PSP image capture, to release the latent image, which of the following devices is scanned over the phosphor plate? -photomultiplier tube -fluorescent light -focused laser light -lithium crystal - ANSWER-Focused laser light The acronym RIS stands for - ANSWER-Radiology Information System ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/13 Process of joining two or more images into one continuous image is known as image - ANSWER- stitching Window width - ANSWER-controls contrast Which of the following best describes the sequence for PSP image capture - ANSWER-Phosphor plate, focused laser light scanner, photomultiplier, analog-digital converter, review station The more light spread, the _______ the MTF - ANSWER-lower image matrix - ANSWER-Consists of pixels arranged into rows and columns Pixel - ANSWER-short for "picture element", the fundamental unit of a digital image, typically a tiny square or dot that contains a single point of color of a larger image. Dot pitch - ANSWER-The amount of space between pixels, which affects the display quality of images shown on a monitor. Resolution - ANSWER-number of pixels contained on a display Modulation Transfer Function (MTF) - ANSWER-The ability of a system to record available spatial frequencies Image acquisition is tested through the use of - ANSWER-Phantoms ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/13 Thin client computer - ANSWER-a device that requests services and resources from a server: could be another computer or printer; not enough power to run multiple systems Device used to measure luminescence of areas on the monitor - ANSWER-photometer Which of the following information might be found in the DICOM header of an image? 1. Patient name 2. Laboratory test results 3. Ordering physician - ANSWER-Patient name and ordering physician Local area network (LAN) - ANSWER-is a small area networked with a series of cables or wireless access points that allow computers to share information and devices on the same network Wide area network (WAN) - ANSWER-is a network that spans a large area: city, nation, continent, or the world. It is used to connect computers that are not physically attached Windowing - ANSWER-the process of selecting some segment of the total pixel value range (the wide dynamic range of the receptors) and then displaying the pixel values within that segment over the full brightness (shades of gray) range from white to black.