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. A bone scan is scheduled to be performed with 25 mCi of Tc-99m methylene diphosphonate (MDP) at 12:30p.m. How much Tc-99m MDP should be placed in the syringe at 8:00a.m. on the same day? 33 mCi 37.4 mCi 42 mCi 35 mCi 2. 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%? 10 days 2 days 6 days 25 days 3. 850 milligrays (mGy) are equal to? 0.850 rad 85 rads 8,500,000 rads 85,000 rads 4. Xe-133, used during a ventilation/perfusion (VQ) scan has a physical half-life of 5.3 days and biological half-life is 0.37 min. What is the effective half-life of Xe-133? 3.7 min 0.37 min 5 s 5.3 min 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? 173 uCi 185 uCi 162 uCi 250 uCi 6. 3.4 curies (Ci) is equal to: 0.0000034 microcurie (uCi) 3,400 microcuries (uCi) 3,400,000 microcuries (uCi) 0.0034 microcurie (uCi) 7. Dose equivalency is being measured in units called: Rads Curies Rems Becquerels 8. 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? 18.7 mCi 15.7 mCi 17.3 mCi 19.5 mCi 9. 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? 3.6 ml 3.0 ml 2.64 ml 1.64 ml 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? 6 4 10 8 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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