Chapter_013.rtf

Chapter_Bushong: Radiologic Science for Technologists, 10th Edition Chapter 13: Screen-Film Radiographic Technique Test Bank MULTIPLE CHOICE 1. What are the four primary exposure factors? a. kVp, mAs, filtration, and voltage ripple b. mA, time, distance, and filtration c. kVp, mAs, time, and SID d. mA, time, kVp controls, and focal spot size ANS: C The four primary exposure factors are kVp, mAs, time, and SID. DIF: Moderate REF: page 237 OBJ: List the four prime exposure factors. 2. Changes in kVp affect _____. a. optical density b. image contrast c. image noise d. all of the above ANS: D Changes in kVp affect optical density, image contrast, and image noise. DIF: Moderate REF: page 237 OBJ: Describe how changes in kVp affect the image. 3. An increase in mAs causes _____ in beam quality and _____ in beam quantity. a. an increase, a decrease b. an increase, no change c. an increase, an increase d. no change, an increase ANS: D This study source was downloaded by from CourseH on 08-19-2023 12:15:38 GMT -05:00 Harryson An increase in mAs causes no change in beam quality and an increa