Radiation Quantities and Units A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 18 questions. More Questions You will get deferent questions every time you take the quiz. Correct AnswersThere could be more than one correct answer, select all that apply.Skip QuestionsYou are allowed to scroll backward and forward before submitting your answers.10 MinutesThe quiz has a time limit. Time's up You can still submit your answers after the allowed period of time has ended . When ready, click Next to start the quiz. Name (Required) Email (Optional) Twitter (Optional) 1. 3.4 curies (Ci) is equal to: 3,400,000 microcuries (uCi) 0.0000034 microcurie (uCi) 3,400 microcuries (uCi) 0.0034 microcurie (uCi) None 2. 650 Microcuries (uCi) is equal to? 65 curies (Ci) 0.000065 curies (Ci) 0.00065 curies (Ci) 0.65 curies (Ci) None 3. 1 microcuries (uCi) is equal to: 1/1000 millicurie (mCi) 1000 curies (Ci) 1000 millicurie (mCi) 1/100 millicurie (mCi) None 4. Which of the following is the unit of Absorbed Dose? Roentgen Curie Gray Becquerel None 5. If a 15 mCi of F-18 fluorodeoxyglucose (FDG) dose is needed for positron emission tomography (PET) scan at 1:00p.m., how much activity should be prepared at 10a.m.? 4.8 mCi 46.6 mCi 21.2 mCi 11 mCi None 6. A vial contains an unidentified radionuclide with an initial activity of 60 mCi at 6 p.m. Sunday. At 6 a.m. Monday, the activity decayed to 7.5 mCi. Which of the following is the physical half-life of this radionuclide in hours? 6 10 8 4 None 7. The initial activity of an isotope is 180 mCi and its half-life is 6 hours. Which of the following number of the activity will be present after 2 days? 30 mCi 15 mCi 0.7 mCi 3.8 mCi None 8. 850 milligrays (mGy) are equal to? 0.850 rad 8,500,000 rads 85 rads 85,000 rads None 9. If 300 uCi of I-123 is used for an adult dose, what is the pediatric dose according to Young’s formula for a child who is 14 years old and weighs 30 kg? 185 uCi 162 uCi 173 uCi 250 uCi None 10. A radionuclide with a physical T% of 10 days is taken up by the liver and eliminated with a biological T% of 15 days. Which of the following is its effective T%? 25 days 2 days 10 days 6 days None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-25T12:42:27+03:00March 25th, 2021| Share This Post With Others! FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave A Comment Cancel replyComment Δ
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