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 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 6 8 10 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? 6.4 hours 9.2 hours 2.5 hours 7.5 hours 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.? 4.8 mCi 11 mCi 21.2 mCi 46.6 mCi 4. 1 microcuries (uCi) is equal to: 1000 millicurie (mCi) 1/1000 millicurie (mCi) 1/100 millicurie (mCi) 1000 curies (Ci) 5. 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? 1.64 ml 2.64 ml 3.0 ml 3.6 ml 6. 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? 42 mCi 35 mCi 33 mCi 37.4 mCi 7. 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? 15.7 mCi 18.7 mCi 19.5 mCi 17.3 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? 3.8 mCi 30 mCi 15 mCi 0.7 mCi 9. 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? 0.5 hours 1.8 hours 6.4 hours 0.2 hours 10. 650 Microcuries (uCi) is equal to? 0.65 curies (Ci) 0.00065 curies (Ci) 0.000065 curies (Ci) 65 curies (Ci) 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-03-25T12:42:27+03:00مارس 25th, 2021|لا توجد تعليقات شارك هذه الصفحة, واترك رأيك حول الموضوع باستخدام وسيلة التواصل التي تناسبك FacebookXLinkedInWhatsAppPinterestEmail عن: ناصر المطيري كبير أخصائيي الطب النووي في مستشفى حفر الباطن المركزي و مؤسس موقع نيوكليرمد. اترك تعليقاًCancel reply
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