RCIS Written Questions and Accurate Answers

RCIS Written Questions and Accurate Answers 0.5 mm lead equivalent ANSWER Provides 95 % shielding from x-ray Color badges ANSWER Give a good measure of eye exposure Catheters wt high take off ANSWER Amplatz, JL5 X- ray beam that controls amount os electrons boiled off -- effects patient dose/ pt exposure ANSWER Milliamperage (mAs) X-ray beam that controls quality of pictures ANSWER Kilovoltage potential (kVp) Attenuation ANSWER Energy from x-ray that interact wt tissue & change energy level or direction and exits as scatter. Remnant beam ANSWER X-ray that exits the pt unaltered & creates an image Lower image intensifier? ANSWER 3. Reduces pt exposure. 2. Reduces pt exposure 3. Improves image quality Smaller the FIeld of View (FOV)= ANSWER Greater emission of radiation Maximum annual Radiation exposure ANSWER 5 REM (0.05 Sv) Maxi cumulative rad exposure ANSWER 1 REM x current age (0.01 Sv x age) Highly radiosensitive tissues? ANSWER 1. Lymph tissues 2. Bone Marrow 3. Gonads 4. Lung tissue Optimal lead thickness? ANSWER 0.5 mm