اختبار: وحدات و كميات الأشعة الأساسية 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. 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? 18.5 mCi 10.5 mCi 16.2 mCi 7.2 mCi None 2. 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? 0.37 min 3.7 min 5 s 5.3 min None 3. 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 0.2 hours 1.8 hours 6.4 hours None 4. 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? 17.3 mCi 19.5 mCi 15.7 mCi 18.7 mCi None 5. Which of the following is the unit of Absorbed Dose? Becquerel Roentgen Gray Curie None 6. 650 Microcuries (uCi) is equal to? 0.65 curies (Ci) 65 curies (Ci) 0.000065 curies (Ci) 0.00065 curies (Ci) None 7. 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? 8 6 4 10 None 8. 3.4 curies (Ci) is equal to: 0.0000034 microcurie (uCi) 0.0034 microcurie (uCi) 3,400,000 microcuries (uCi) 3,400 microcuries (uCi) None 9. Dose equivalency is being measured in units called: Rads Becquerels Rems Curies None 10. 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? 2.64 ml 1.64 ml 3.0 ml 3.6 ml None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-20T14:26:37+03:00أبريل 15th, 2021|السلامة من الإشعاع|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. منشورات متعلقة اختبار: الحماية من الأشعة اختبار: الحماية من الأشعة أبريل 15th, 2021 | لا توجد تعليقات اترك تعليقاًإلغاء الرد
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