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RAD 201 EXAM1
| Question | Answer |
|---|---|
| What organization was founded in 2007 that continues their pursuit to raise awareness of the need for dose reduction protocols by promoting pediatric-specified scan protocols to be used for both radiology and non-radiology users of CT? | Alliance for Radiation Safety in Pediatric Imaging |
| The millisievert (mSv) is equal to | 1/1000 of a sievert. |
| Why should the selection of technical exposure factors for all medical imaging procedures always follow ALARA? | Because radiation-induced cancer does not appear to have a fixed threshold, that is, a dose level below which a person would have no chance of developing this disease. |
| The ALARA principle provides a method for comparing the amount of radiation used in various health care facilities in a particular area for specific imaging procedures. This information may be helpful to many | regulatory agencies |
| If a patient asks a radiographer a question about how much radiation he or she will receive from a specific x-ray procedure, the radiographer can | respond by using an estimation based on the comparison of radiation received from the x-ray to natural background radiation received. |
| Which of the following radiation quantities is intended to be the best overall measure of the biologic effects of ionizing radiation? | Effective dose |
| Typically, people are more willing to accept a risk if they perceive that the potential benefit to be obtained is | greater than the risk involved |
| The term as low as reasonable achievable (ALARA) is synonymous with the term | optimization for radiation protection (ORP). |
| In a hospital setting, which of the following professionals is expressly charged by the hospital administration with being directly responsible for the execution, enforcement, and maintenance of the ALARA program? | RSO |
| Regarding exposure to ionizing radiation, patients who are educated to understand the medical benefit of an imaging procedure are more likely to | suppress any radiation phobia and be willing to assume a small chance of possible biologic damage. |
| Which of the following statements below is true? | It appears that no safe dose level exists for radiation-induced malignant disease. |
| Which of the following is a form of radiation that is capable of creating electrically charged particles by removing orbital electrons from the atom of normal matter through which it passes? | ionizing radiation |
| What unit is used to measure radiation exposure in the metric International System of Units? | coulomb per kilogram |
| Which of the following provides the basis for determining whether an imaging procedure or practice is justified? | diagnostic efficacy |
| Which of the following is a method of explaining radiation to the public? | BERT |
| X-rays are a form of which of the following kinds of radiation? | Ionizing |
Created by:
rbats