ARRT Radiography Exam Review (300-400)Questions And Answers 2024/2025 Latest Update Graded A+

ARRT Radiography Exam Review (300-400)Questions And Answers 2024/2025 Latest Update Graded A+ Elongation (body part appears longer than normal) is caused by angulation along the ________ axis of the part being imaged. - Answer Long Foreshortening (body part appears shorter than normal) is caused by angulation against the ________ axis of the part being imaged. - Answer Main Grids are constructed of ________ strips separated by ________ interspacers. - Answer 1) Lead 2) Aluminum The height of the lead strips divided by the distance between the lead strips is known as: - Answer Grid Ratio Grid Ratio Formula: - Answer H/D The number of lead strips in a grid per inch (or centimeter) is known as: - Answer Grid Frequency The measure of the ability of a grid to increase contrast is the ________. - Answer Contrast Improvement Factor The ratio of primary radiation transmitted through the grid to secondary radiation transmitted through the grid is the ________. - Answer Grid Selectivity Grid conversion factor (GCF) is the amount of exposure ________ necessary to compensate for the ________ of image-forming x-rays and scatter in the cleanup process. - Answer 1) Increase 2) Absorption