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 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 250 uCi 162 uCi 173 uCi 2. Which of the following is the unit of Absorbed Dose? Gray Curie Becquerel Roentgen 3. 850 milligrays (mGy) are equal to? 85 rads 0.850 rad 8,500,000 rads 85,000 rads 4. 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? 3.8 mCi 15 mCi 0.7 mCi 30 mCi 5. 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? 9.2 hours 2.5 hours 6.4 hours 7.5 hours 6. 3.4 curies (Ci) is equal to: 0.0034 microcurie (uCi) 3,400 microcuries (uCi) 0.0000034 microcurie (uCi) 3,400,000 microcuries (uCi) 7. 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? 7.2 mCi 10.5 mCi 16.2 mCi 18.5 mCi 8. 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? 37.4 mCi 35 mCi 33 mCi 42 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? 4 8 10 6 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%? 2 days 10 days 6 days 25 days 1 out of 10 Time is Up! Time's up By Nasser AlMutairi|2021-09-20T13:16:59+03:00April 15th, 2021|Radiation Safety| 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. Related Posts Quiz: Radiation Safety Quiz: Radiation Safety April 15th, 2021 | 0 Comments Leave a Reply Cancel reply
Leave a Reply