Oct 4, 2021 A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 105 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 (Required) 1. Quality Control The dose calibrator’s ability to measure accurately a range of low-activity doses to high-activity doses is called: Constancy Accuracy Geometry Linearity None 2. Quantities and Units A radionuclide with a physical T% of 10 days is taken up by the liver and eliminated with a biological T% of 15 days. Which of the following is its effective T%? 6 days 25 days 10 days 2 days None 3. Quality Control The shield and the decay method are two different approaches to evaluate: Half-value layer thickness Gamma Camera linearity Dose calibrator linearity Effective dose measurement None 4. Quantities and Units 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 15.7 mCi 19.5 mCi 18.7 mCi None 5. Quality Control The blank scan is performed daily on Positron Emission Tomography (PET) scanners using a Ge-68 transmission source. The term blank scan reflects: The absence of emission data. The absence of patient. The absence of any material in the field of view (FOV). The absence of technologist. None 6. Quantities and Units 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 46.6 mCi 4.8 mCi None 7. Radiation Safety Which of the following is the dose quantity used to measure the overall risk of exposure to ionizing radiation? Equivalent Effective Absorbed Average None 8. Physics Technetium-99m and Technetium-99 are: Isomers Isotopes Isobars Isotones None 9. Quantities and Units Dose equivalency is being measured in units called: Becquerels Rems Curies Rads None 10. Quantities and Units 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 s 3.7 min 0.37 min 5.3 min None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-30T11:15:34+03:00سبتمبر 30th, 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
اضف تعليقا