Quiz: 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. 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.? 46.6 mCi 21.2 mCi 11 mCi 4.8 mCi None 2. 3.4 curies (Ci) is equal to: 3,400 microcuries (uCi) 3,400,000 microcuries (uCi) 0.0034 microcurie (uCi) 0.0000034 microcurie (uCi) None 3. 850 milligrays (mGy) are equal to? 85,000 rads 0.850 rad 85 rads 8,500,000 rads None 4. Which of the following is its effective half-life if an isotope has a physical half-life of 18 hours and biological half-life of 10 hours? 6.4 hours 1.8 hours 0.2 hours 0.5 hours None 5. How much activity will be remaining at 2:30 p.m. if the dose of Tc-99m methylene diphosphonate (MDP) is calibrated to contain 25 mCi at 12:00 p.m. on the same day? 15.7 mCi 18.7 mCi 19.5 mCi 17.3 mCi None 6. What is the effective half-life of an isotope, that has a physical half-life of 18 hours and a biological half-life of 10 hours? 7.5 hours 2.5 hours 6.4 hours 9.2 hours None 7. 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 10 days 6 days 2 days None 8. Which of the following is the unit of Absorbed Dose? Curie Gray Roentgen Becquerel None 9. 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 3.8 mCi 0.7 mCi 15 mCi None 10. 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? 10 6 8 4 None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-09-20T13:16:59+03:00April 15th, 2021|Radiation Safety| شارك هذه الصفحة FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Related Posts Quiz: Radiation Safety Quiz: Radiation Safety April 15th, 2021 | 0 Comments Leave A Comment Cancel replyComment Notify me of follow-up comments by email. Notify me of new posts by email. Δ
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