Radiation Protection in Medical Radiography UPDATED Exam Questions and CORRECT Answers
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Radiation Protection in Medical Radiography
Institution
Radiation Protection In Medical Radiography
Radiation Protection in Medical
Radiography UPDATED Exam Questions
and CORRECT Answers
Consequences of ionization in human cells include
1. creation of unstable atoms.
2. production of free electrons.
3. creation of highly reactive free radicals capable of producing substances poisonous to ...
Radiation Protection in Medical Radiography UPDATED Exam Questions and CORRECT Answers Consequences of ionization in human cells include 1. creation of unstable atoms. 2. production of free electrons. 3. creation of highly reactive free radicals capable of producing substances poisonous to the cell. 4. creation of new biologic molecules detrimental to the living cell. 5. injur y to the cell that may manifest itself as abnormal function or loss of function. - CORRECT ANSWER - 1, 2, 3, 4, & 5 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? a. Ionizing radiation b. Nonionizing radiation c. Subatomic radiation d. Ultrasonic radiation - CORRECT ANSWER - a. Ionizing Radiation Regarding exposure to ionizing radiation, patients who are educated to understand the medical benefit of an imaging procedure are more likely to... a. assume a small chance of biologic damage but not suppress any radiation phobia they may have. b. cancel their scheduled procedure because they are not willing to assume a smal l chance of biologic damage. c. suppress any radiation phobia but not risk a small chance of possible biologic damage. d. suppress any radiation phobia and be willing to assume a small chance of possible biologic damage. - CORRECT ANSWER - D. Suppress any r adiation phobia and be willing to assume a small chance of possible biologic damage. The millisievert (mSv) is equal to a. 1/10 of a sievert. b. 1/100 of a sievert. c. 1/1000 of a sievert. d. 1/10,000 of a sievert. - CORRECT ANSWER - C. 1/1000 of a sievert The advantages of the BERT method are 1. it does not imply radiation risk; it is simply a means for comparison. 2. it emphasizes that radiation is an innate part of our environment. 3. it provides an answer that is easy for the patient to comprehend. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 - CORRECT ANSWER - D. 1, 2, & 3 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 a. respond by u sing an estimation based on the comparison of radiation received from the x -ray to natural background radiation received. b. avoid the patient's question by changing the subject. c. tell the patient that it is unethical to discuss such concerns. d. refuse to answer the question and recommend that he or she speak with the referring physician. - CORRECT ANSWER - A. Respond by using an estimation based on the comparison of radiation received. Why should the selection of technical exposure factors for all medic al imaging procedures always follow ALARA? a. So that referring physicians ordering imaging procedures do not have to accept responsibility for patient radiation safety. b. So that radiographers and radiologists do not have to accept responsibility for pat ient radiation safety. c. Because radiation -induced cancer does not appear to have a dose level below which individuals would have no chance of developing this disease. d. Because radiation -induced cancer does have a dose level at which individuals would h ave a chance of developing this disease. - CORRECT ANSWER - C. Because radiation -induced cancer does not appear to have a dose level below which individuals would have no chance of developing this disease. What are the cardinal principles of radiation prot ection? - CORRECT ANSWER - Time Distance Shielding 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? a. Assistant administrator of the facility b. Chief of staff c. Radiation Safety Officer d. Student radiologic technologist - CORRECT ANSWER - C. Radiation Safety Officer Why is a question concerning the amount of radiation a patient will receive during a specific x-ray procedure difficult to answer? 1. Because the received dose is specified in a number of different units of measure 2. Because the scientific units for radia tion dose are normally not comprehensible by a patient 3. Because the patient should not receive any information about radiation dose a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 - CORRECT ANSWER - A. 1 & 2 only X-rays are a form of which of the following kinds of radiation? a. Environmental b. Ionizing c. Internal d. Nonionizing - CORRECT ANSWER - B. Ionizing What unit is used to measure radiation exposure in the metric International System of Units? a. Coulomb per kilogram b. Milligray c. Millisievert d. Sievert - CORRECT ANSWER - A. Coulomb per Kilogram 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 nonradiology users of CT? a. U.S. Food and Drug Administration b. Alliance for Radiation Safety in Pediatric Imaging. c. American Registry of Radiologic Technologists d. The Joint Commission - CORRECT ANSWER - B. Alliance for Radiation Safety in Pediatric Imaging Which of the following provides the basis for determining whether an imaging procedure or practice is justified? a. ALARA concept b. BERT method c. Diagnostic efficacy d. NEXT program - CORRECT ANSWER - C. Diagnostic Efficacy Which of the following is a method of explaining radiation to the public? a. ALARA b. BERT c. ORP d. NEXT - CORRECT ANSWER - B. BERT
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