Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
1. Typically, people are more willing to accept a risk if they perceive that the | | | | | | | | | | | | |
potential benefit to be obtained is
| | | | | |
a. typically,people are not willing to accept risk no matter how great the benefit may
| | | | | | | | | | | | | |
be.
|
b. less than the risk involved.
| | | |
c. greater than the risk involved. | | | |
d. equal to the risk involved.: c. greater than the risk involved.
| | | | | | | | | |
2. Which of the following personnel dosimeters resembles an ordinary foun-
| | | | | | | | |
tain pen externally?
| | |
Select one: |
a. Personnel digital ionization dosimeter | | |
b. Optically stimulated luminescence dosimeter | | |
c. Pocket ionization chamber | |
d. Thermoluminescent dosimeter: c.Pocket ionization chamber | | | | |
3. The millisievert (mSv) is equal to
| | | | |
a. 1/100 of a sievert. | | |
b. 1/10,000 of a sievert. | | |
c. 1/10 of a sievert.
| | |
d. 1/1000 of a sievert.: d. 1/1000 of a sievert.
| | | | | | | |
4. Which of the following is a method of explaining radiation to the public?
| | | | | | | | | | | |
a. ALARA
b. NEXT
c. BERT
d. ORP: c. BERT | |
5. Thefront of the white paper packet of the optically stimulated luminescence
| | | | | | | | | | |
(OSL) dosimeter
| |
a. must never be exposed to ionizing radiation.
| | | | | |
b. must be radiopaque. | |
c. may be color coded tofacilitate correct usage andplacement of the dosime- ter
| | | | | | | | | | | | |
on the body of occupationally exposed personnel.
| | | | | | |
d. must not have any type of printing on it.
| | | | | | | |
Feedback: c.may be color coded to facilitate correct usage and placement of the
| | | | | | | | | | | | |
dosimeter on the body of occupationally exposed personnel.
| | | | | | | |
6. Which of the following results in all-directional scatter?
| | | | | | |
1 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
a. Classical interaction |
b. Photoelectric interaction |
c. Compton interaction |
d. Coherent interaction: c. Compton interaction | | | |
7. Within the energy range of diagnostic radiology (23 to 150 kVp), which
| | | | | | | | | | |
includes mammography, when kVp is decreased, the patient dose:
| | | | | | | | |
a. Doubles
b. Decreases
c. Increases
d. Remains the same: c. Increases | | | |
8. The advantages of the BERT method are1. 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. 2 and 3 only | | |
b. 1 and 2 only
| | | |
c. 1, 2, and 3 | | |
a.1 and 3 only: c. 1, 2, and 3 | | | | | | |
9. Of the two sources of ionizing radiation listed below, which source remains
| | | | | | | | | | |
fairly constant from year to year?
| | | | | |
a. Manmade
b. Natural: b. Natural | |
10. What is the maximum period of time that a thermoluminescent dosimeter
| | | | | | | | | |
(TLD) may be worn as a personnel device?
| | | | | | | |
a. 3 months |
b.1 hour
c.1 week
d.1 month: a. 3 months | | |
11. Alpha particles have a radiation weighting factor (WR) that is numerically
| | | | | | | | | |
equal to
| |
Select one: |
a. 5.
b. 1.
c. 20.
d. 10.: c. 20. | |
2 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
12. If two anatomic structures have the same density and atomic number but
| | | | | | | | | | |
one is twice as thick as the other, the thicker structure will absorb
| | | | | | | | | | | | |
a. eight times the number of x-ray photons.
| | | | | |
b. four times the number of x-ray photons.
| | | | | |
c. twice as many x-ray photons. | | | |
d. the same number of x-ray photons.: c. twice as many x-ray photons.
| | | | | | | | | | |
13. An effective radiation safety program requires a firm commitment to radi-
| | | | | | | | | |
ation safety by:
| | |
1. The Facilities providing imaging services
| | | |
2. Radiation workers |
3. Patients
a. 1, 2, and 3
| | |
b. 2 and 3 only
| | |
c.1 and 3 only | |
a.1 and 2 only: d. 1 and 2 only | | | | | | |
14. 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. Subatomic radiation |
b. Ultrasonic radiation |
c. Ionizing radiation |
d. Nonionizing radiation: c. Ionizing radiation | | | |
15. Terrestrial radiation includes which of the following sources? | | | | | | |
a. Radioactive fallout from nuclear weapons tests in which detonation oc- | | | | | | | | |
curred above ground
| | |
b. Airport surveillance systems and electron microscopes | | | | |
c. Long-lived radioactive elements such as uranium-238, radium-226, and | | | | | | |
thorium-232 that are present in variable quantities in the crust of the earth
| | | | | | | | | | | | |
d. The sun and beyond the solar system: c. Long-lived radioactive elements such as
| | | | | | | | | | | |
uranium-238, radium-226, and thorium-232 that are present in variable quantities in the
| | | | | | | | | | | |
crust of the earth
| | | |
16. What organization was founded in 2007 that continues their pursuit to raise
| | | | | | | | | | |
awareness of the need for dose reduction protocols by promoting pedi- atric-
| | | | | | | | | | | |
specified scan protocols to be used for both radiology and nonradiology users of
| | | | | | | | | | | |
CT?
|
3 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
a. American Registry of RadiologicTechnologists | | | |
b. The Joint Commission | |
c. U.S. Food and Drug Administration
| | | |
d. Alliance for Radiation Safety in Pediatric Imaging.: d. Alliance for Radiation
| | | | | | | | | |
Safety in Pediatric Imaging.
| | | |
17. The probability of occurrence of photoelectric absorption
| as | | | | | |
the energy of the incident photon decreases and the atomic number of the
| | | | | | | | | | | | |
irradiated atoms
| . | |
a. decreases markedly; increases | |
b. stays the same; increases | | |
c. increases markedly; decreases | |
d. increases markedly; increases: d. increases markedly; increases | | | | | |
18. What do radiation weighting factors take into consideration?1.The overall
| | | | | | | | |
risk of exposure to humans from ionizing radiation2. Both the internal and
| | | | | | | | | | | |
external dose measurements3.The fact that some types of radiation are more
| | | | | | | | | | | |
efficient at causing biologic damage than other types of radiation for a given
| | | | | | | | | | | | |
dose.
|
a.1 only
b.2 only
c. 3 only | |
d. 1, 2, and 3: c. 3 only
| | | | | |
19. The interactions of x-ray photons with any atoms of biologic matter are:
| | | | | | | | | | |
a. Unimportant in diagnostic radiology, thus making radiation protection un- | | | | | | | |
necessary
|
b. Random, so the effects of such interactions cannot be predicted with | | | | | | | | | |
certainty
|
c. Important only in therapeutic radiology | | | |
d. Able to be preplanned to selective atoms to limit radiation exposure to
| | | | | | | | | | |
those atoms: b. Random, so the effects of such interactions cannot be predicted
| | | | | | | | | | | | |
with certainty
| |
20. Which of the following radiation quantities use the same unit of measure?
| | | | | | | | | | |
1. Effective dose and equivalent dose | | | |
2. Exposure and effective dose | | |
3. Absorbed dose and equivalent dose | | | |
4 |/ |51
Study |online |at |https://quizlet.com/_a7j3sg
1. Typically, people are more willing to accept a risk if they perceive that the | | | | | | | | | | | | |
potential benefit to be obtained is
| | | | | |
a. typically,people are not willing to accept risk no matter how great the benefit may
| | | | | | | | | | | | | |
be.
|
b. less than the risk involved.
| | | |
c. greater than the risk involved. | | | |
d. equal to the risk involved.: c. greater than the risk involved.
| | | | | | | | | |
2. Which of the following personnel dosimeters resembles an ordinary foun-
| | | | | | | | |
tain pen externally?
| | |
Select one: |
a. Personnel digital ionization dosimeter | | |
b. Optically stimulated luminescence dosimeter | | |
c. Pocket ionization chamber | |
d. Thermoluminescent dosimeter: c.Pocket ionization chamber | | | | |
3. The millisievert (mSv) is equal to
| | | | |
a. 1/100 of a sievert. | | |
b. 1/10,000 of a sievert. | | |
c. 1/10 of a sievert.
| | |
d. 1/1000 of a sievert.: d. 1/1000 of a sievert.
| | | | | | | |
4. Which of the following is a method of explaining radiation to the public?
| | | | | | | | | | | |
a. ALARA
b. NEXT
c. BERT
d. ORP: c. BERT | |
5. Thefront of the white paper packet of the optically stimulated luminescence
| | | | | | | | | | |
(OSL) dosimeter
| |
a. must never be exposed to ionizing radiation.
| | | | | |
b. must be radiopaque. | |
c. may be color coded tofacilitate correct usage andplacement of the dosime- ter
| | | | | | | | | | | | |
on the body of occupationally exposed personnel.
| | | | | | |
d. must not have any type of printing on it.
| | | | | | | |
Feedback: c.may be color coded to facilitate correct usage and placement of the
| | | | | | | | | | | | |
dosimeter on the body of occupationally exposed personnel.
| | | | | | | |
6. Which of the following results in all-directional scatter?
| | | | | | |
1 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
a. Classical interaction |
b. Photoelectric interaction |
c. Compton interaction |
d. Coherent interaction: c. Compton interaction | | | |
7. Within the energy range of diagnostic radiology (23 to 150 kVp), which
| | | | | | | | | | |
includes mammography, when kVp is decreased, the patient dose:
| | | | | | | | |
a. Doubles
b. Decreases
c. Increases
d. Remains the same: c. Increases | | | |
8. The advantages of the BERT method are1. 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. 2 and 3 only | | |
b. 1 and 2 only
| | | |
c. 1, 2, and 3 | | |
a.1 and 3 only: c. 1, 2, and 3 | | | | | | |
9. Of the two sources of ionizing radiation listed below, which source remains
| | | | | | | | | | |
fairly constant from year to year?
| | | | | |
a. Manmade
b. Natural: b. Natural | |
10. What is the maximum period of time that a thermoluminescent dosimeter
| | | | | | | | | |
(TLD) may be worn as a personnel device?
| | | | | | | |
a. 3 months |
b.1 hour
c.1 week
d.1 month: a. 3 months | | |
11. Alpha particles have a radiation weighting factor (WR) that is numerically
| | | | | | | | | |
equal to
| |
Select one: |
a. 5.
b. 1.
c. 20.
d. 10.: c. 20. | |
2 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
12. If two anatomic structures have the same density and atomic number but
| | | | | | | | | | |
one is twice as thick as the other, the thicker structure will absorb
| | | | | | | | | | | | |
a. eight times the number of x-ray photons.
| | | | | |
b. four times the number of x-ray photons.
| | | | | |
c. twice as many x-ray photons. | | | |
d. the same number of x-ray photons.: c. twice as many x-ray photons.
| | | | | | | | | | |
13. An effective radiation safety program requires a firm commitment to radi-
| | | | | | | | | |
ation safety by:
| | |
1. The Facilities providing imaging services
| | | |
2. Radiation workers |
3. Patients
a. 1, 2, and 3
| | |
b. 2 and 3 only
| | |
c.1 and 3 only | |
a.1 and 2 only: d. 1 and 2 only | | | | | | |
14. 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. Subatomic radiation |
b. Ultrasonic radiation |
c. Ionizing radiation |
d. Nonionizing radiation: c. Ionizing radiation | | | |
15. Terrestrial radiation includes which of the following sources? | | | | | | |
a. Radioactive fallout from nuclear weapons tests in which detonation oc- | | | | | | | | |
curred above ground
| | |
b. Airport surveillance systems and electron microscopes | | | | |
c. Long-lived radioactive elements such as uranium-238, radium-226, and | | | | | | |
thorium-232 that are present in variable quantities in the crust of the earth
| | | | | | | | | | | | |
d. The sun and beyond the solar system: c. Long-lived radioactive elements such as
| | | | | | | | | | | |
uranium-238, radium-226, and thorium-232 that are present in variable quantities in the
| | | | | | | | | | | |
crust of the earth
| | | |
16. What organization was founded in 2007 that continues their pursuit to raise
| | | | | | | | | | |
awareness of the need for dose reduction protocols by promoting pedi- atric-
| | | | | | | | | | | |
specified scan protocols to be used for both radiology and nonradiology users of
| | | | | | | | | | | |
CT?
|
3 |/ |51
, Radiation Protection & Biology (Exam 1, 2, & 3) | | | | | | | |
Study |online |at |https://quizlet.com/_a7j3sg
a. American Registry of RadiologicTechnologists | | | |
b. The Joint Commission | |
c. U.S. Food and Drug Administration
| | | |
d. Alliance for Radiation Safety in Pediatric Imaging.: d. Alliance for Radiation
| | | | | | | | | |
Safety in Pediatric Imaging.
| | | |
17. The probability of occurrence of photoelectric absorption
| as | | | | | |
the energy of the incident photon decreases and the atomic number of the
| | | | | | | | | | | | |
irradiated atoms
| . | |
a. decreases markedly; increases | |
b. stays the same; increases | | |
c. increases markedly; decreases | |
d. increases markedly; increases: d. increases markedly; increases | | | | | |
18. What do radiation weighting factors take into consideration?1.The overall
| | | | | | | | |
risk of exposure to humans from ionizing radiation2. Both the internal and
| | | | | | | | | | | |
external dose measurements3.The fact that some types of radiation are more
| | | | | | | | | | | |
efficient at causing biologic damage than other types of radiation for a given
| | | | | | | | | | | | |
dose.
|
a.1 only
b.2 only
c. 3 only | |
d. 1, 2, and 3: c. 3 only
| | | | | |
19. The interactions of x-ray photons with any atoms of biologic matter are:
| | | | | | | | | | |
a. Unimportant in diagnostic radiology, thus making radiation protection un- | | | | | | | |
necessary
|
b. Random, so the effects of such interactions cannot be predicted with | | | | | | | | | |
certainty
|
c. Important only in therapeutic radiology | | | |
d. Able to be preplanned to selective atoms to limit radiation exposure to
| | | | | | | | | | |
those atoms: b. Random, so the effects of such interactions cannot be predicted
| | | | | | | | | | | | |
with certainty
| |
20. Which of the following radiation quantities use the same unit of measure?
| | | | | | | | | | |
1. Effective dose and equivalent dose | | | |
2. Exposure and effective dose | | |
3. Absorbed dose and equivalent dose | | | |
4 |/ |51
