TEST BANK
RADIATION PROTECTION IN MEDICALRADIOGRAPHY 9TH EDITION
By Mary Alice Statkiewicz Sherer
, TABLE OF CONTENT gi gi
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 OrganSystem
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s
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
ig
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
gi gi
Chapter 15. Radioisotopes and Radiation Protection
gi gi gi gi gi
Chapter 01: Introduction to Radiation Protection
g i gi g i gi g i
Sherer: Radiation Protection in Medical Radiography, 9th Edition
g i gi gi gi g i g i g i
MULTIPLE CHOICE gi
1. Consequences of ionization in human cells include gi gi g i gi g i g i
1. creation of unstable atoms. gi gi gi
2. production of free electrons. g i gi gi
3. creation of highly reactive free molecules (called free radicals) capable of producingsubs
gi gi gi gi gi gi gi gi gi gi gi i
g
tances poisonous to the cell.
g i g i gi gi
4. creation of new biologic molecules detrimental to the living cell.
gi gi gi g i g i gi gi gi gi
5. injury to the cell that may manifest itself as abnormal function or loss of function.
gi gi gi gi gi gi g i g i gi g i g i gi gi gi
6. production of low-energy x-ray photons. gi gi gi gi
a. 1, 2, 3, and 4 only
gi gi gi gi gi
b. 2, 3, 4, and 5 only
gi gi gi gi gi
c. 3, 4, 5, and 6 only
gi gi gi gi gi
d. All the options gi gi
ANS: D gi
,2. Which of the following is a form of radiation that is capable of creating electrically chargedp
gi gi gi gi gi gi gi gi gi gi gi gi gi gi gi i
g
articles by removing orbital electrons from the atom of normal matter through which it passes?
gi gi gi gi gi gi gi gi gi gi gi gi gi gi
a. Ionizing radiation gi
b. Nonionizing radiation gi
c. Subatomic radiation gi
d. Ultrasonic radiation gi
ANS: A gi
3. Regarding exposure to ionizing radiation, patients who are educated to understand the medic
gi gi gi g i gi gi gi gi gi gi g i gi
albenefit of an imaging procedure are more likely to
i
g g i gi gi g i gi gi gi g i
a. assume a small chance of biologic damage but not suppress any radiation phobiathe
gi gi gi gi gi gi gi gi gi gi gi gi i
g
y may have. gi gi
b. cancel their scheduled procedure because they are not willing to assume a sma
gi g i gi gi g i gi gi gi gi gi g i gi
llchance of biologic damage.
i
g gi gi gi
c. suppress any radiation phobia but not risk a small chance of possible biologi
gi gi gi g i gi gi gi gi g i gi gi gigi
cdamage. i
g
d. suppress any radiation phobia and be willing to assume a small chance of possibl
gi gi gi gi gi gi gi gi g i gi gi g i gi
ebiologic damage.
gi gi
ANS: D gi
4. The millisievert (mSv) is equal to
gi gi gi gi gi
a. 1/10 of a sievert. gi gi gi
b. 1/100 of a sievert. gi gi gi
c. 1/1000 of a sievert. gi gi gi
d. 1/10,000 of a sievert. gi gi gi
ANS: C gi
5. The advantages of the BERT method are
gi gi gi gi gi gi
1. BERT does not imply radiation risk; it is simply a means for comparison.
gi gi gi gi g i gi gi gi g i gi g i gi
2. BERT emphasizes that radiation is an innate part of the environment.
gi g i gi g i gi gi g i gi gi gi
3. BERT provides an answer that is easy for the patient to comprehend.
g i g i gi gi gi gi gi gi gi g i gi
a. 1 and 2 only gi gi gi
b. 1 and 3 only gi gi gi
c. 2 and 3 only gi gi gi
d. All the options gi gi
ANS: D gi
6. If a patient asks a radiographer a question about how much radiation he or she will receivefro
gi gi gi gi gi gi gi gi gi gi gi gi gi gi gi gi i
g
m a specific x-ray procedure, the radiographer can
gi gi gi gi gi gi g i
a. respond by using an estimation based on the comparison of radiation received from
gi gi gi gi gi gi gi gi g i gi gi g i i
g
the x-ray to natural background radiation received.
gi gi gi g i g i g i
b. avoid the patient’s question by changing the subject.
gi gi gi gi gi gi gi
c. tell the patient that it is unethical to discuss such concerns.
gi gi gi gi gi gi gi gi gi gi
d. refuse to answer the question and recommend that he or she speak with t
g i gi g i gi g i gi gi gi gi gi gi gi gi
hereferring physician. gi g i
ANS: A gi
7. Why should the selection of technical exposure factors for all medical imaging procedu
gi g i gi gi gi g i gi g i gi gi g i g i
resalways follow ALARA?
i
g g i gi
a. So that referring physicians ordering imaging procedures do not have to acceptr
gi gi gi gi gi gi gi gi gi gi gi i
g
esponsibility for patient radiation safety. g i gi g i g i
b. So that radiographers and radiologists do not have to accept responsibility for
gi gi gi gi g i gi gi gi gi gi g i
, patient radiation safety. gi gi
c. Because radiation- gi
induced cancer does not appear to have a fixed threshold, that is,a dose level bel
gi gi gi gi gi gi gi gi gi g i g i gi i gi
g gi gi
ow which a person would have no chance of developing this disease.
gi gi gi gi gi gi gi gi gi gi gi
d. Because radiation- gi
induced cancer does have a dose level at which individualswould have a c
gi gi gi gi g i gi gi g i gi g i i
g g i gi gi
hance of developing this disease. g i gi g i g i
ANS: C gi
8. The cardinal principles of radiation protection include which of the following?
gi gi gi gi gi gi g i gi gi gi
a. Time
b. Distance
c. Shielding
d. All the options gi gi
ANS: D gi
9. In a hospital setting, which of the following professionals is expressly charged by the hospit
gi gi g i gi g i gi g i gi gi gi g i g i gi gi
aladministration with being directly responsible for the execution, enforcement, and mainten
i
g gi gi gi gi gi gi gi gi gi gi
ance of the ALARA program?
gi gi gi gi
a. Assistant administrator of the facility gi g i gi gi
b. Chief of staff gi gi
c. Radiation Safety Officer gi gi
d. Student radiologic technologist gi gi
ANS: C gi
10. Why is a question concerning the amount of radiation a patient will receive during a specifi
gi gi gi gi gi gi g i gi gi gi g i g i g i gi gi
cx-ray procedure difficult to answer?
i
g gi gi gi gi
1. Because the received dose is specified in a number of different units of measure.
gi gi g i gi gi gi gi gi g i gi g i g i gi
2. Because the scientific units for radiation dose are normally not comprehensible by a patien
gi gi gi g i gi g i gi gi g i gi g i gi gi
t.
3. Because the patient should not receive any information about radiation dose.
gi gi gi g i gi g i gi g i gi g i
a. 1 and 2 only gi gi gi
b. 1 and 3 only gi gi gi
c. 2 and 3 only gi gi gi
d. All the options gi gi
ANS: A gi
11. X-rays are a form of which of the following kinds of radiation?
gi gi gi gi gi g i gi gi g i gi gi
a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: B gi
12. What unit is used to measure radiation exposure in the metric International System of Units?
gi gi gi gi gi g i g i gi gi gi g i g i gi gi
a. Coulomb per kilogram gi gi
b. Milligray
c. Millisievert
d. Sievert
ANS: A gi
13. What organization was founded in 2007 that continues their pursuit to raise awareness of the
gi gi gi gi gi gi gi gi gi gi gi gi gi gi i
g
need for dose reduction protocols by promoting pediatric-
gi gi gi gi gi gi gi
specified scan protocols to be usedfor both radiology and non-radiology users of CT?
gi gi gi gi gi i
g gi gi g i gi g i gi gi
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