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Review NMTCB 1.001-1.027 Questions and Answers 2024
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Review NMTCB 1.001-1.027
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Review NMTCB 1.001-1.027D. is correct.
Minimizing the amount of time spent in a radioactive area, increasing the distance from
a radiation source, and using a shielding material such as lead, are three practical
methods for reducing exposure from radiation. - answer1) The three most important
factors to be considered when handling radioactive materials are:
A. activity, distance, type of emission
B. organ sensitivity, type of emission, distance
C. type of emission, shielding, area of exposure
D. time of exposure, distance, shielding
D. is correct.
ALARA stands for "As Low As Reasonably Achievable" which is a philosophy to
increase awareness and reduce radiation exposure incorporating reasonable cost in
effort to reduce exposure - answer2)The ALARA concept in radiation protection refers
to:
A. as long as radiation is around
B. personnel can accumulate up to the maximum amount permitted
C. personnel should be notified by the radiation safety officer if radiation exposure
exceeds the maximum permitted
D. keeping personnel exposure to radiation as low as reasonably achievable
A. is correct.
The Inverse Square Law - answer3) If the intensity of radiation is 10 mrem/hour at 2
meters from the source, the intensity at 8 meters from the source
is___________mrem/hour.
A. 0.625
B. 2.5
C. 40
D. 160
D. is correct.
The Department of Transportation controls the packaging and transportation of
materials containing radioactivity. A category II yellow label is less than or equal to 50
mrem/hr at the surface of the package and less than or equal to 1 mrem/hr measured at
1 meter distance. - answer4) Upon arrival, a package containing radioactive material
with a DOT Category II yellow label must have a dose rate which at the surface does
not exceed:
A. .5 mrem/hour
, B. 5 mrem/hour
C. 25 mrem/hour
D. 50 mrem/hour
B. is correct.
Nuclear Regulatory Commission (NRC), Title 10, Code of Federal Regulations -
answer5) If you work in an area where a major part of your body could receive greater
than 5 mrem in any one hour or more than 100 mrem in five consecutive days, the sign
posted would be:
A. Caution: Radiation Materials
B. Caution: Radiation Area
C. Caution: High Radiation Area
D. no signage is necessary
A. is correct.
Personnel radiation exposure records should be kept indefinitely. - answer6) Personnel
radiation exposure records should be kept:
A. indefinitely
B. 2 years
C. 3 years
D. 5 years
B. is correct
Rules regarding the production, use, and disposal of radioactive materials and
supporting documentation must be adhered to. - answer7) Aspects of radioactive
materials which are under strict federal regulations include all of the following EXCEPT:
A. production
B. price
C. possession
D. use
E. disposal
C. is correct.
Avoid hot water and strong soaps; a mild soap and warm water should be used to clean
the skin. - answer8) The best way for a technologist to decontaminate a 99mTc
pertechnatate spill to the hands is by the use of:
A. decay
B. alcohol
C. soap and water
D. an alkaline cleanser
D. is correct.
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