ARRT Radiography Exam Review (200-300)Questions & Answers

A ________ is used to measure radiation in an area, storage areas for radioisotopes, doses traveling through barriers, and patients who have radioactive sources within them. - answer-Handheld Ionization Chamber Handheld ionization chambers can measure exposure rates as low as ________ per hour. - answer-10 µGyᵃ A ________ is used to detect radioactive particles in nuclear medicine facilities. - answer-Geiger-Mueller Detector Geiger-Mueller detectors read in ________ per minute. - answer-Counts An autotransformer is also known as a ________ transformer. - answer-Variable An autotransformer is constructed with: - answer-A single coil of wire with an iron core. The autotransformer is the source for selecting ________. - answer-kVp Autotransformers operate on the principle of ________. - answer-Self-Induction The ________ is in the x-ray circuit to indicate the voltage that is selected. - answer-Prereading Voltmeter