NMTCB UPDATED ACTUAL Questions and CORRECT Answers

NMTCB UPDATED ACTUAL Questions and CORRECT Answers

5 rem/yr
Exposure Limit: Whole Body
50 mSv/yr
50 rem/yr
Exposure Limit: Skin
500 mSv/yr
50 rem/yr
Exposure Limit: Extremity
500 mSv/yr
50 rem/yr
Exposure Limit: Organ/Tissue
500 mSv/yr
15 rem/yr
Exposure Limit: Lens of Eye
150 mSv/yr
0.5 rem/yr
Exposure Limit: Fetus
5 mSv/yr
0.1 rem/yr
Exposure Limit: General Public
1 mSV/yr
Radioactive I Surface: 0.5 mR/h
White I 1 m: N/A
Radioactive II Surface: 50 mR/h
Yellow II 1 m: 1 mR/h
Radioactive III Surface: 200 mR/h
Yellow III 1 m: 10 mR/h
Posted where radioactive materials are stored and exceed
the limit:
Caution: Radioactive Materials
2 mR/h
0.02 mSv/h
Posted where one can receive more than this at 30 cm:
Caution: Radiation Area 5 mR/h
0.05 mSv/h

, Posted where one can receive more than this at 30 cm:
Caution: High Radiation Area 100 mR/hr
1 mSv/h
Posted in front of area where one can receive more than
this at 1 m:
Grave Danger: Very High Radiation Area
500 rads/h
5 grays/h
Reactor produced isotopes Mo-99, Tc-99m, I-131, I-125, Xe-133, Sr-89, Sm-153
Cyclotron produced radionuclides I-123, Ga-67, Tl-201, In-111, and all positron emitters
Molybdenum limits per millicurie of technetium d0.15 µCi Mo / 1 mCi Tc
10 - 90 µm
MAA particles
# in recommended dose: 200k - 700k
Sulfur colloid particles For liver/spleen scan: 0.01 - 1 µm
Tc-99m half life 6 hours
Tc-99m energy 140 keV
Tl-201 half life 73 hours
Tl-201 energy 68 kev, 81 kev
In-111 half life 2.83 days
In-111 energy 173 kev, 247 kev
Xe-133 half life 5.3 days
Xe-133 energy 81 keV
F-18 half life 110 minutes
F-18 energy 511 keV
Co-57 half life 270 days
Co-57 energy 122 keV