CAMRT Exam, Questions with Correct Answers (Grade A+)

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


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, 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




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