Which of the following are radiation-shielding design consid…

Which of the following are radiation-shielding design considerations?1. The mean energy of the x-rays that will strike the barrier2. Whether the barrier is of a primary or secondary nature3. The workload of the unit4. The use factor of the unit5. The brand of the control panel behind the barrier

Which of the following x-ray procedures increases the radiog…

Which of the following x-ray procedures increases the radiographer’s risk of exposure to ionizing radiation compared to general diagnostic radiography performed in an x-ray room? 1. Mobile C-arm fluoroscopy 2. Interventional procedures that use high level control fluoroscopy 3. Mobile radiographic examinations