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. 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 10.5 mCi 7.2 mCi 16.2 mCi 2. 1 microcuries (uCi) is equal to: 1000 millicurie (mCi) 1/1000 millicurie (mCi) 1/100 millicurie (mCi) 1000 curies (Ci) 3. A nuclear medicine department receives 375 mCi of Tc-99m in 4.5 ml bulk vial. If the macroaggregated albumin (MAA) kit is to be reconstituted with 30 mCi in 3 ml, how much saline should be added to the kit? 2.64 ml 3.0 ml 1.64 ml 3.6 ml 4. 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 8 4 10 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? 19.5 mCi 18.7 mCi 17.3 mCi 15.7 mCi 6. 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 173 uCi 250 uCi 162 uCi 7. Dose equivalency is being measured in units called: Curies Becquerels Rems Rads 8. 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%? 2 days 10 days 25 days 6 days 9. Which of the following is the unit of Absorbed Dose? Gray Becquerel Roentgen Curie 10. 650 Microcuries (uCi) is equal to? 0.000065 curies (Ci) 0.65 curies (Ci) 65 curies (Ci) 0.00065 curies (Ci) 1 out of 10 Time is Up! Time's up By Nasser AlMutairi|2021-03-25T12:42:27+03:00March 25th, 2021| Share This Post With Others! FacebookTwitterLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Member of SSNMMI Executive Committee. Leave a Reply Cancel reply
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