RADIATION PROTECTION IN MEDICALRADIOGRAPHY 9TH EDITION
By Mary Alice Statkiewicz Sherer
, TABLEOF CONTENT
Chapter 1. Introduction to Radiation Protection
Chapter 2. Radiation: Types, Sources, and Doses Received ig
Chapter 3. Interaction of X-Radiation with Matter
Chapter 4. Radiation Quantities and Units ig
Chapter 5. Radiation Monitoring
Chapter 6. Overview of Cell Biology
Chapter 7. Molecular and Cellular Radiation Biology
Chapter 8. Early Tissue Reactions and Their Effects on Organ Systems Chapte
r 9. Stochastic Effects and Late Tissue Reactions of Radiation in Organ System ig
s
Chapter 10. Dose Limits for Exposure to Ionizing Radiation ig
Chapter 11. EquipmentDesign for Radiation Protection
Chapter 12. Management of Patient Radiation Dose During Diagnostic X-
RayProcedures
Chapter 13. Radiation Safety in Computed Tomography and Mammography ig
Chapter 14. Management of Imaging Personnel Radiation Dose During Diag
nostic X-Ray Procedures
Chapter 15. Radioisotopes and Radiation Protection
Chapter 01: Introduction to Radiation Protection
Sherer: Radiation Protection in Medical Radiography, 9th Edition
MULTIPLE CHOICE
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 producing subs
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tances 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: DT
,2. Which of the following is a form of radiation that is capable of creating electrically charged p
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articles by removing orbital electrons from the atom of normal matter through which it passes?
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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 medic
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al benefit of an imaging procedure are more likely to
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a. assume a small chance of biologic damage but not suppress any radiation phobia the y
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may have. T
b. cancel their scheduled procedure because they are not willing to assume
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asma ll chance of biologic damage. T gi T T T
c. suppress any radiation phobia but not risk a small chance of possible biologi
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c damage. ig
d. suppress any radiation phobia and be willing to assume a small chance ofpossibl
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e biologic damage.
ig T
ANS: D T
4. The millisievert (mSv) is equal to
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a. 1/10of asievert. 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 gi gi 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 receive fro m
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a specific x-ray procedure, the radiographer can
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a. respond byusing an estimation based on the comparison of radiation received from
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the x-ray to natural background radiation received.
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b. avoid the patient’s question bychanging 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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he referring physician.gi T
ANS: A T
7. Why should the selection of technical exposure factors for all medical imaging
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procedu res always follow ALARA? T ig T T
a. So that referring physicians ordering imaging procedures do not have to accept r
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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
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bel ow 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 individuals would 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 hospit
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al administration with being directly responsible for the execution, enforcement, and mainten
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ance of the ALARA program?
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a. Assistant administrator ofthe 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 aspecifi
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c x-ray procedure difficult to answer?
ig T T T T
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
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by a patien T gi T
t.
3. Because the patient should not receive anyinformation about radiation dose.
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a. 1 and 2 only T gi T
b. 1 and 3 only T gi T
c. 2 and 3 only gi gi T
d. All the options T T
ANS: A T
11. X-rays are a form of which ofthe 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 the
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need for dose reduction protocols by promoting pediatric-
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specified scan protocols to be used for both radiology and non-radiology users of CT?
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