REHS/RS Radiation Uses and Protection Quiz
A principle(s) for effecting external radiation protection is d. all of the above
(are):
a.distance
b.time of exposure
c. shielding
Plutonium 239 has a half-life of______years. d. 24,400 years
In assessing hazard, the sum total of all exposures should a. True
be considered.
To produce thermal effects, microwave energy D. heat
is converted to__in the body or organism.
A CT scanner is a combination computer and X-ray a. True
machine
Gamma rays come from the nucleus of an atom; x-rays a. True
come from the electrons around the nucleus and are
produced by electron bombardment.
Everyone is subject to natural background radiation a. True
Beta particles can be a health hazard either as internal or a. True
external radiation because of the ionization in tissues.
Microwaves are reflected by a. Metals
The nature of all electromagnetic radiation is the same, a. True
and the difference lies only in the frequency and
wavelength
Neutrons are charged, high-energy particles b. False
______has the responsibility for internal housekeeping and A. Industry
for monitoring all waste discharges in terms of types and
quantities.
High-level, long-lived liquid wastes are commonly d. all of the above
concentrated by:
a.evaporation filtration
b.precipitation of a soluble material
c. ion exchange
Excpossure of the gonads (ovaries or testes) is necessary a. True
to cause genetic effects from ionizing radiation.
, A concentration of X-ray machines in one building will not b. False
affect scatter radiation
A principle(s) for effecting external radiation protection is d. all of the above
(are):
a.distance
b.time of exposure
c. shielding
Plutonium 239 has a half-life of______years. d. 24,400 years
In assessing hazard, the sum total of all exposures should a. True
be considered.
To produce thermal effects, microwave energy D. heat
is converted to__in the body or organism.
A CT scanner is a combination computer and X-ray a. True
machine
Gamma rays come from the nucleus of an atom; x-rays a. True
come from the electrons around the nucleus and are
produced by electron bombardment.
Everyone is subject to natural background radiation a. True
Beta particles can be a health hazard either as internal or a. True
external radiation because of the ionization in tissues.
Microwaves are reflected by a. Metals
The nature of all electromagnetic radiation is the same, a. True
and the difference lies only in the frequency and
wavelength
Neutrons are charged, high-energy particles b. False
______has the responsibility for internal housekeeping and A. Industry
for monitoring all waste discharges in terms of types and
quantities.
High-level, long-lived liquid wastes are commonly d. all of the above
concentrated by:
a.evaporation filtration
b.precipitation of a soluble material
c. ion exchange
Excpossure of the gonads (ovaries or testes) is necessary a. True
to cause genetic effects from ionizing radiation.
, A concentration of X-ray machines in one building will not b. False
affect scatter radiation
