Test Bank for Radiation Protection in Medical Radiography 8th Edition Sherer
Table of Contents
Chapter 01: Introduction to Radiation Protection .................................................................................. 2 Chapter 02: Radiation: Types, Sources, and Doses Received .............
Test Bank for Radiation Protection in Medical Radiography 8th Edition Sherer
Table of Contents
Chapter 01: Introduction to Radiation Protection .................................................................................. 2
Chapter 02: Radiation: Types, Sources, and Doses Received ............................................................. 6
Chapter 03: Interaction of X-Radiation with Matter ............................................................................. 11
Chapter 04: Radiation Quantities and Units ....................................................................................... 15
Chapter 05: Radiation Monitoring....................................................................................................... 19
Chapter 06: Overview of Cell Biology ................................................................................................. 24
Chapter 07: Molecular and Cellular Radiation Biology ........................................................................ 28
Chapter 08: Early Tissue Reactions and Their Effects on Organ Systems.......................................... 32
Chapter 09: Stochastic Effects and Late Tissue Reactions of Radiation in OrganSystems ................. 37
Chapter 10: Dose Limits for Exposure to Ionizing Radiation .............................................................. 41
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,Chapter 01: Introduction to Radiation Protection
MULTIPLE CHOICE
1. 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
thecell.
4. creation of new biologic molecules detrimental to the living cell.
5. injury to the cell that may manifest itself as abnormal function or loss of function.
a. 1, 2, and 3 only
b. 2, 3, and 4 only
c. 3, 4, and 5 only
d. 1, 2, 3, 4, and 5
ANS: D
2. 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
ANS: A
3. Regarding exposure to ionizing radiation, patients who are educated to understand the
medicalbenefit of an imaging procedure are more likely to
a. assume a small chance of biologic damage but not suppress any radiation
phobiathey may have.
b. cancel their scheduled procedure because they are not willing to assume a
smallchance of biologic damage.
c. suppress any radiation phobia but not risk a small chance of possible
biologicdamage.
d. suppress any radiation phobia and be willing to assume a small chance of
possiblebiologic damage.
ANS: D
4. 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.
ANS: C
5. 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
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, c. 2 and 3 only
d. 1, 2, and 3
ANS: D
6. If a patient asks a radiographer a question about how much radiation he or she will
receivefrom a specific x-ray procedure, the radiographer can
a. respond by using an estimation based on the comparison of radiation
receivedfrom 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
thereferring physician.
ANS: A
7. Why should the selection of technical exposure factors for all medical imaging
proceduresalways follow ALARA?
a. So that referring physicians ordering imaging procedures do not have to
acceptresponsibility for patient radiation safety.
b. So that radiographers and radiologists do not have to accept responsibility
forpatient radiation safety.
c. Because radiation-induced cancer does not appear to have a dose level
belowwhich individuals would have no chance of developing this disease.
d. Because radiation-induced cancer does have a dose level at which
individualswould have a chance of developing this disease.
ANS: C
8. The cardinal principles of radiation protection include which of the following?
1. Time
2. Distance
3. Shielding
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3
ANS: D
9. 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
ANS: C
10. 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 radiation dose are normally not comprehensible by a patient
3. Because the patient should not receive any information about radiation dose
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, a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: A
11. X-rays are a form of which of the following kinds of radiation?
a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: B
12. 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
ANS: A
13. 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
usedfor 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
ANS: B
14. 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
ANS: C
15. Which of the following is a method of explaining radiation to the public?
a. ALARA
b. BERT
c. ORP
d. NEXT
ANS: B
16. Radiology departments or individual radiologic technologists can “pledge” to image gently.
The pledge includes which of the following?
1. Make the image gently message a priority in staff communications each year.
2. Review the protocol recommendations and, when necessary, implement adjustments
topractice processes.
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