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. 650 Microcuries (uCi) is equal to? 65 curies (Ci) 0.00065 curies (Ci) 0.000065 curies (Ci) 0.65 curies (Ci) None 2. 3.4 curies (Ci) is equal to: 3,400 microcuries (uCi) 3,400,000 microcuries (uCi) 0.0000034 microcurie (uCi) 0.0034 microcurie (uCi) None 3. 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.? 11 mCi 21.2 mCi 4.8 mCi 46.6 mCi None 4. Which of the following is the unit of Absorbed Dose? Curie Roentgen Becquerel Gray None 5. 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? 35 mCi 33 mCi 42 mCi 37.4 mCi None 6. 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 19.5 mCi 17.3 mCi 15.7 mCi None 7. 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? 5.3 min 5 s 3.7 min 0.37 min None 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? 30 mCi 3.8 mCi 15 mCi 0.7 mCi None 9. 850 milligrays (mGy) are equal to? 0.850 rad 8,500,000 rads 85 rads 85,000 rads None 10. 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 6.4 hours 9.2 hours 7.5 hours None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-25T12:42:27+03:00March 25th, 2021| شارك هذه الصفحة FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave A Comment Cancel replyComment Δ
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