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1-56.
Beta particles have poor
penetrating ability but their
ionizing power is about 100 times
that of gamma rays.
1.
True
2.
False
1-57.
When ingested with food, inhaled,
or admitted into the body through
cuts or open wounds, what specific
type of radiation becomes
particularly destructive if it is
retained in the body for a lengthy
time?
1.
Neutron
2.
Gamma
3.
Beta
4.
Alpha
1-58.
Radioactivity can only be removed
by using what process?
1.
Chemical neutralization
2.
Physical removal
3.
Sterilization
4.
Cooking
1-59.
Contaminated food items should be
monitored in their dry states
because dilution with water yields
what result?
1.
Lowers the beta readings
2.
Raises the alpha readings
3.
Damages the radiac instruments
4.
Provides additional
contamination
1-60.
The method of gross decontamination
is limited to removing radioactive
material from which of the
following sources?
1.
Food contact surfaces
2.
The galley deck
3.
Galley personnel
4.
Canned food items
1-61.
In what case, if any, may you use
water already contaminated by
radioactivity in the process of
decontamination?
1.
It can be used only to wash
decks
2.
It can be used for all gross
decontamination procedures
3.
It can be used to wash surfaces
more heavily contaminated than
the water
4.
None; it cannot be used for any
decontamination purposes
1-62.
Which of the following cleaning
solutions may you use in
radiological decontamination if you
do not have a cleaning agent
specifically designed for
decontaminating galley surfaces?
1.
Citric acid, trisodium
phosphate, and hot water
2.
General-purpose detergent,
trisodium phosphate, and hot
water
3.
Chlorine bleach,
general-purpose detergent, and
hot water
4.
Vinegar, general-purpose
detergent, and hot water
1-63.
In what order should the steps used
in decontaminating spaces and
equipment be performed?
1.
Flush with water, scrub with
alkaline detergents, rinse with
water, and apply acid solution
2.
Flush with water, scrub with
alkaline detergents, apply acid
solution, and rinse with water
3.
Apply acid solution, rinse with
water, scrub with alkaline
detergents, and flush with
water
4.
Scrub with alkaline detergents,
flush with water, apply acid
solution,
and rinse with water
7
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