Essentials of Radiographic Physics and Imaging chapter 1, 2, 1nd 3 Practice Questions & Answers 2024/2025

Essentials of Radiographic Physics and Imaging chapter 1, 2, 1nd 3 Practice Questions & Answers 2024/2025 Who discovered x-rays? - ANS-German physicist Wilhelm Roentgen discovered x-rays by accident while experimenting with the CROOKES tube Continues.... There were cases of electrocution of the operator because? - ANS-the equipment was not enclosed and shielded. Barium platinocyanide was the material in Dr. Roentgen's laboratory that - ANS-fluoresced when the cathode ray tube was energized Exposure times for very early radiographs ranged from: - ANS-20 minutes to 2 hours Acute radiodermatitis was: - ANS-the radiation burns resulting from excessive exposure common among early patients and operators a delayed reaction to excessive x-ray exposure An example of how x-rays were used for entertainment or business gain in a dangerous manner was the: - ANS-fluoroscopic shoe fitter Mass, length, and time are considered - ANS-fundamental quantities Velocity, acceleration, force, momentum, power and work are: - ANS-derived quantities Exposure, dose, radioactivity and dose equivalent are: - ANS-radiologic quantities The metric system is also known as the: - ANS-System International (SI) In the SI system the unit of measure for mass is: - ANS-Kilogram In the SI system the unit of measure for length is: - ANS-meter In the SI system the unit of measure for time is: - ANS-second In the British system the unit of measure for mass is: - ANS-pound In the British system the unit of measure for length is: - ANS-foot In the British system the unit of measure for time is: - ANS-second