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Radiation Safety Exam NMTCB Questions and Answers 100% Correct $13.49   Add to cart

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Radiation Safety Exam NMTCB Questions and Answers 100% Correct

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  • NMTCB

Radiation Safety Exam NMTCB

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  • October 20, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NMTCB
  • NMTCB
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julianah420
Radiation Safety Exam NMTCB

accelerator produced radionuclides - answerI-123
Ga-67
Tl-201
In-111

Reactor produced radionuclides - answerMo-99/Tc-99m
I-131
I-125
Xe-133
Cr-51
Sr-89
Sm-153
P-32

Total radiation dose based on length of exposure - answer Total dose=(dose rate)(time)

Inverse Square Law - answer(Intensity 1)(Distance 1)^2=(Intensity 2)(Distance 2)^2

Half-value layer HVL - answer Thickness of material required to reduce radiation
intensity to half its original value.

Equation for exposure after HVL added - answer Intensity=intensity(original)e^-(0.693)
(x/HVL)
x = the thickness of the shielding material

NRC Regs are based on - answer Risk-informed, performance-based approach in
which the NRC will not, for the most part, specify exactly what methods must be used or
how frequently radiation safety procedures must be performed. The licensee must
develop policies and procedures that ensure NRC requirements are met.

Whole-body TEDE - answer5rem or 50mSv per year

Lens of eye - answer15rem or 150mSv per year

Organ Tissue dose - answer50rem or 500mSv per year

General public dose - answer0.1rem or 1mSv per year

Embryo/fetal dose - answer0.5rem or 5mSv for entire pregnancy

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