1. As a broad generalization, ionizing radiation effects tend to be reversible and non-ionizing radiation tends to have irreversible effects. True False
1. As a broad generalization, ionizing radiation effects tend to be reversible and non-ionizing radiation tends to have irreversible effects.
True
False
2. The term “activity” in the compound word “radioactivity” refers to:
the intensity of radioactive decay from the isotope or radioactive material in question
Curies or Becquerels
how many particles or emissions happen in a unit of time
all of the above
3. Alpha decay:
results in a nuclide with Z-2 and A-2
results in a nuclide with Z unchanged
presents primarily an internal hazard
both A and C
4. The driving concept behind US regulations aimed at radiation exposure limits is:
ALARA, or as low as reasonably achievable
primary containment
redundancy of engineering controls
both B and C
5. The key element(s) for the practice of radiation protection is:
time
distance
shielding
all of the above
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