Radiation Health
Safety Foss questions
& answers
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 - answer D
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 - answer D
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 - answer A
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 - answer D
If you work in an area where a major part of your body could
receive greater than S mrem in anyone 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 needed - answer B
Personal radiation exposure should be kept:
A. indefinitely
B. 2 years
C. 3 years
Safety Foss questions
& answers
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 - answer D
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 - answer D
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 - answer A
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 - answer D
If you work in an area where a major part of your body could
receive greater than S mrem in anyone 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 needed - answer B
Personal radiation exposure should be kept:
A. indefinitely
B. 2 years
C. 3 years
