(1)
University of Wisconsin Hospital and Clinics, Madison, WI, USA
(2)
University of Wisconsin-LaCrosse, LaCrosse, WI, USA
Keywords
ALARAHalf value layerInverse square lawNational Council on Radiation Protection and MeasurementOccupancy factorThermoluminescent dosimetersUse factorWorkloadQuestions
1.
What acronym represents the fundamental radiation safety principle used in radiation therapy?
A.
ALARA
B.
OAR
C.
DVH
D.
HVL
2.
The three principles of ALARA include:
A.
Personnel and facilities monitoring
B.
Time
C.
Neutron contamination
D.
Distance
E.
Shielding
3.
Regarding radiation protection for photon beams , which of the following would have the greatest effect to minimize dose?
A.
Double the shielding
B.
Double the time
C.
Double the distance
D.
All of the above would have an equal effect
4.
What organization sets the recommended dose limits for radiation workers and the general public?
A.
NRC
B.
NCR P
C.
ACR
D.
ASRT
5.
The annual dose equivalent limit for whole-body occupational exposure is:
A.
0.05 rem
B.
0.5 rem
C.
5 rem
D.
50 rem
6.
The annual dose equivalent limit for occupational exposure of the extremity is:
A.
0.05 rem
B.
0.5 rem
C.
5 rem
D.
50 rem
7.
Personnel must be monitored for radiation exposure if they are expected to receive ___% of the dose equivalent limit.
A.
10
B.
30
C.
50
D.
70
8.
What is not an advantage of the use of film badge dosimeters for personnel monitoring?
A.
Inexpensive
B.
Can be used for different types and energies of radiation
C.
Easy to use
D.
Accurate
9.
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Thermoluminescent dosimeters are commonly made of what material?
A.
Lithium fluoride
B.
Aluminum oxide
C.
Silver bromide
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