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. 3.4 curies (Ci) is equal to: 3,400 microcuries (uCi) 0.0034 microcurie (uCi) 0.0000034 microcurie (uCi) 3,400,000 microcuries (uCi) 2. 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? 2.5 hours 7.5 hours 9.2 hours 6.4 hours 3. 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 6 days 2 days 10 days 4. Dose equivalency is being measured in units called: Curies Rems Becquerels Rads 5. 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? 162 uCi 173 uCi 185 uCi 250 uCi 6. At the time of preparation, a macroaggregated albumin (MAA) kit contained 30.5 mCi of Tc-99m. How much activity will remain after 5 hours and 30 minutes? 18.5 mCi 7.2 mCi 10.5 mCi 16.2 mCi 7. 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 21.2 mCi 11 mCi 46.6 mCi 8. 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? 15 mCi 3.8 mCi 30 mCi 0.7 mCi 9. 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 10. 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? 1.8 hours 0.5 hours 6.4 hours 0.2 hours 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-09-20T13:16:59+03:00April 15th, 2021|Radiation Safety| 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. Related Posts Quiz: Radiation Safety Quiz: Radiation Safety April 15th, 2021 | 0 Comments Leave a ReplyCancel reply
Leave a Reply