HESI RN EXIT EXAM QUESTIONS AND REVISED CORRECT ANSWERS
HESI RN EXIT EXAM QUESTIONS AND REVISED CORRECT ANSWERS Who judges radiographic images for quality? (Select the four that apply.) - ANSWER : Radiographers Ordering physicians Radiologists Quality control technologists How can magnification of the heart be reduced when performing a chest x-ray? - ANSWER : Use a 72-inch source-image-receptor-distance (SID). What is the function of a rectifier? - ANSWER : Convert alternating current to pulsating direct current. Which change in technical factors is most likely to result in decreased exposure to the image receptor (IR)? - ANSWER : Increased grid ratio Which technique produces a 2 milliroentgens (mR) exposure to an image receptor plate if 70 kilovolts peak (kVp) at 25 milliampere-seconds (mAs) produces 1.6 mR? - ANSWER : 70 kVp at 31.25 mAs Consider this anteroposterior (AP) mobile chest image. What will improve the photographic quality of this image? - ANSWER : Using a grid
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