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? 6 4 8 10 None 2. 650 Microcuries (uCi) is equal to? 0.00065 curies (Ci) 0.65 curies (Ci) 0.000065 curies (Ci) 65 curies (Ci) None 3. 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? 162 uCi 250 uCi 185 uCi 173 uCi None 4. Dose equivalency is being measured in units called: Rads Becquerels Curies Rems None 5. 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? 6.4 hours 0.2 hours 0.5 hours 1.8 hours None 6. 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 16.2 mCi 18.5 mCi 10.5 mCi None 7. 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 3.6 ml 3.0 ml None 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? 42 mCi 35 mCi 33 mCi 37.4 mCi None 9. 1 microcuries (uCi) is equal to: 1000 curies (Ci) 1/1000 millicurie (mCi) 1/100 millicurie (mCi) 1000 millicurie (mCi) None 10. 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 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. اضف تعليقا إلغاء الردتعليق Δ
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