CAMRT Exam, Questions with Correct Answers (Grade A+)
Question 1: half-life and energy of Tc-99m
Answer: T= 6hrs 140keV
Question 2: half-life and energy of Mo-99
Answer: T=66hrs 740keV and 778keV
Question 3: half-life and energy of I-131
Answer: T=8 days 364keV
Question 4: half-life and energy of I-123
Answer: T=13hrs 159keV
Question 5: half-life and energy of In-111
Answer: T=67hrs 171keV and 245keV
Question 6: Half life and energy of Xenon-133?
Answer: 5 days. 81 keV.
Question 7: half-life and energy of Tl-201
Answer: T=3 days 69-82keV (Hg x-rays), 135keV, 167keV
Question 8: half-life and energy of Ga-67
Answer: T=3.26days 92keV, 185keV, 300keV, 394keV
Question 9: half-life and energy of Y90
Answer: 64hrs Beta
Question 10: half-life and energy of 18-F
Answer: T=110mins 511keV
Question 11: half-life and energy of C-11
Answer: T=20mins 511
Page 1
, Question 12: half-life and energy of N-13
Answer: T=10min
Question 13: half-life and energy of O-15
Answer: T=2 min
Question 14: half-life and energy of Ga-68
Answer: 68mins
Question 15: half-life and energy of Rb-82
Answer: 76sec
Question 16: half-life and energy of Cs-137
Answer: 30years 662keV
Question 17: half-life and energy of Co-57
Answer: 272days 122keV and 136keV
Question 18: 1mCi = ? Bq
Answer: 37MBq
Question 19: 100 REM = __________ Sv
Answer: 1 Sv
Question 20: 100 Rad = _____ Gray
Answer: 1 Gy
Question 21: Exposure Rate Equation
Answer: Exposure Rate = Activity x Exposure Rate Constant x 1/d^2 units are cm^2mR/mCihr
Question 22: inverse square law
Answer: i1d1^2 = i2d2^2
Page 2
Question 1: half-life and energy of Tc-99m
Answer: T= 6hrs 140keV
Question 2: half-life and energy of Mo-99
Answer: T=66hrs 740keV and 778keV
Question 3: half-life and energy of I-131
Answer: T=8 days 364keV
Question 4: half-life and energy of I-123
Answer: T=13hrs 159keV
Question 5: half-life and energy of In-111
Answer: T=67hrs 171keV and 245keV
Question 6: Half life and energy of Xenon-133?
Answer: 5 days. 81 keV.
Question 7: half-life and energy of Tl-201
Answer: T=3 days 69-82keV (Hg x-rays), 135keV, 167keV
Question 8: half-life and energy of Ga-67
Answer: T=3.26days 92keV, 185keV, 300keV, 394keV
Question 9: half-life and energy of Y90
Answer: 64hrs Beta
Question 10: half-life and energy of 18-F
Answer: T=110mins 511keV
Question 11: half-life and energy of C-11
Answer: T=20mins 511
Page 1
, Question 12: half-life and energy of N-13
Answer: T=10min
Question 13: half-life and energy of O-15
Answer: T=2 min
Question 14: half-life and energy of Ga-68
Answer: 68mins
Question 15: half-life and energy of Rb-82
Answer: 76sec
Question 16: half-life and energy of Cs-137
Answer: 30years 662keV
Question 17: half-life and energy of Co-57
Answer: 272days 122keV and 136keV
Question 18: 1mCi = ? Bq
Answer: 37MBq
Question 19: 100 REM = __________ Sv
Answer: 1 Sv
Question 20: 100 Rad = _____ Gray
Answer: 1 Gy
Question 21: Exposure Rate Equation
Answer: Exposure Rate = Activity x Exposure Rate Constant x 1/d^2 units are cm^2mR/mCihr
Question 22: inverse square law
Answer: i1d1^2 = i2d2^2
Page 2