Test Bank for Radiation Safety and Radiobiology In Medical Imaging 10th Edition by Mary Alice Statkiewicz Sherer |All Chapters (1-16) | Expert Verified Answers | Graded A+

, TABLE OF CONTENT +t +t




Chapter 1. Introduction to Radiation Protection
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Chapter 2. Radiation: Types, Sources, and Doses Received
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Chapter 3. Interaction of X-Radiation with Matter
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Chapter 4. Radiation Quantities and Units
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Chapter 5. Radiation Monitoring
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Chapter 6. Overview of Cell Biology
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Chapter 7. Molecular and Cellular Radiation Biology
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Chapter 8. Early Tissue Reactions and Their Effects on Organ Systems Chapte
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r 9. Stochastic Effects and Late Tissue Reactions of Radiation in OrganSyste
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ms
Chapter 10. Dose Limits for Exposure to Ionizing Radiation
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Chapter 11. Equipment Design for Radiation Protection
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Chapter 12. Management of Patient Radiation Dose During Diagnostic X-
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RayProcedures
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Chapter 13. Radiation Safety in Computed Tomography and Mammography
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Chapter 14. Management of Imaging Personnel Radiation Dose During Diag
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nostic X-Ray Procedures
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Chapter 15. Radioisotopes and Radiation Protection
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Chapter 01: Introduction to Radiation Protection
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Sherer: Radiation Protection in Medical Radiography, 10th Edition
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MULTIPLE CHOICE +t




1. Consequences of ionization in human cells include +t +t + t +t + t + t


1. creation of unstable atoms. +t +t +t


2. production of free electrons. + t +t +t


3. creation of highly reactive free molecules (called free radicals) capable of producingsub
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t


stances poisonous to the cell.
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4. creation of new biologic molecules detrimental to the living cell.
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5. injury to the cell that may manifest itself as abnormal function or loss of function.
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6. production of low-energy x-ray photons. +t +t +t +t


a. 1, 2, 3, and 4 only
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b. 2, 3, 4, and 5 only
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c. 3, 4, 5, and 6 only
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d. All the options +t +t



ANS: D +t

,2. Which of the following is a form of radiation that is capable of creating electrically charged
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particles by removing orbital electrons from the atom of normal matter through which it passe
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s?
a. Ionizing radiation +t


b. Nonionizing radiation +t


c. Subatomic radiation +t


d. Ultrasonic radiation +t




ANS: A +t




3. Regarding exposure to ionizing radiation, patients who are educated to understand the medi
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calbenefit of an imaging procedure are more likely to
t
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a. assume a small chance of biologic damage but not suppress any radiation phobiathe
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t


y may have. +t +t


b. cancel their scheduled procedure because they are not willing to assume a sm
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allchance of biologic damage.
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c. suppress any radiation phobia but not risk a small chance of possible biolog
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icdamage. +
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d. suppress any radiation phobia and be willing to assume a small chance of possibl
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ebiologic damage.
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ANS: D +t




4. The millisievert (mSv) is equal to
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a. 1/10 of a sievert. +t +t +t


b. 1/100 of a sievert. +t +t +t


c. 1/1000 of a sievert. +t +t +t


d. 1/10,000 of a sievert. +t +t +t



ANS: C +t




5. The advantages of the BERT method are
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1. BERT does not imply radiation risk; it is simply a means for comparison.
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2. BERT emphasizes that radiation is an innate part of the environment.
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3. BERT provides an answer that is easy for the patient to comprehend.
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a. 1 and 2 only +t +t +t


b. 1 and 3 only +t +t +t


c. 2 and 3 only +t +t +t


d. All the options +t +t



ANS: D +t




6. If a patient asks a radiographer a question about how much radiation he or she will receivefro
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m a specific x-ray procedure, the radiographer can
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a. respond by using an estimation based on the comparison of radiation received fro
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mthe x-ray to natural background radiation received.
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b. avoid the patient’s question by changing the subject.
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c. tell the patient that it is unethical to discuss such concerns.
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d. refuse to answer the question and recommend that he or she speak with t
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hereferring physician. +
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ANS: A +t




7. Why should the selection of technical exposure factors for all medical imaging procedu
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resalways follow ALARA?
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a. So that referring physicians ordering imaging procedures do not have to acceptr
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esponsibility for patient radiation safety. + t +t + t + t


b. So that radiographers and radiologists do not have to accept responsibility for
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, patient radiation safety. +t +t


c. Because radiation- +t


induced cancer does not appear to have a fixed threshold, that is,a dose level be
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low which a person would have no chance of developing this disease.
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d. Because radiation- +t


induced cancer does have a dose level at which individualswould have a c
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hance of developing this disease. + t +t + t + t




ANS: C +t




8. The cardinal principles of radiation protection include which of the following?
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a. Time
b. Distance
c. Shielding
d. All the options +t +t




ANS: D +t




9. In a hospital setting, which of the following professionals is expressly charged by the hospi
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taladministration with being directly responsible for the execution, enforcement, and mainte
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nance of the ALARA program?
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a. Assistant administrator of the facility +t + t +t +t


b. Chief of staff +t +t


c. Radiation Safety Officer +t +t




d. Student radiologic technologist +t +t




ANS: C +t




10. Why is a question concerning the amount of radiation a patient will receive during a specifi
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cx-ray procedure difficult to answer?
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1. Because the received dose is specified in a number of different units of measure.
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2. Because the scientific units for radiation dose are normally not comprehensible by a patie
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nt.
3. Because the patient should not receive any information about radiation dose.
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a. 1 and 2 only+t +t +t


b. 1 and 3 only+t +t +t


c. 2 and 3 only+t +t +t


d. All the options +t +t




ANS: A +t




11. X-rays are a form of which of the following kinds of radiation?
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a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: B +t




12. What unit is used to measure radiation exposure in the metric International System of Units?
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a. Coulomb per kilogram +t +t


b. Milligray
c. Millisievert
d. Sievert
ANS: A +t




13. What organization was founded in 2007 that continues their pursuit to raise awareness of th
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eneed for dose reduction protocols by promoting pediatric-
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specified scan protocols to be usedfor both radiology and non-radiology users of CT?
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