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. 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 None 2. 1 microcuries (uCi) is equal to: 1/100 millicurie (mCi) 1000 curies (Ci) 1/1000 millicurie (mCi) 1000 millicurie (mCi) None 3. 650 Microcuries (uCi) is equal to? 0.000065 curies (Ci) 0.00065 curies (Ci) 65 curies (Ci) 0.65 curies (Ci) None 4. 3.4 curies (Ci) is equal to: 3,400,000 microcuries (uCi) 0.0034 microcurie (uCi) 3,400 microcuries (uCi) 0.0000034 microcurie (uCi) 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? 0.5 hours 0.2 hours 6.4 hours 1.8 hours None 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? 33 mCi 42 mCi 35 mCi 37.4 mCi None 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? 19.5 mCi 15.7 mCi 17.3 mCi 18.7 mCi None 8. 850 milligrays (mGy) are equal to? 8,500,000 rads 0.850 rad 85 rads 85,000 rads None 9. 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 15 mCi 3.8 mCi 0.7 mCi None 10. Which of the following is the unit of Absorbed Dose? Curie Becquerel Gray Roentgen 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 اضف تعليقا إلغاء الردتعليق أعلمني بمتابعة التعليقات بواسطة البريد الإلكتروني. أعلمني بالمواضيع الجديدة بواسطة البريد الإلكتروني. Δ
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