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 gamma-camera is the most widely used imaging piece of equipment in nuclear medicine. The performance parameters of a routine gamma-camera quality control (QC) program include all of the following EXCEPT: Energy resolution Flood uniformity Spatial resolution Peaking linearity None 2. 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.? 46.6 mCi 21.2 mCi 11 mCi 4.8 mCi None 3. Radiation Safety A radioactive source produces exposure of 30 millirem per hour (mR/h) at 2-m distance. If the distance is increased to 5-m what is the new exposure rate? 5.6 mR/h 6.1 mR/h 5.1 mR/h 4.8 mR/h None 4. Quality Control The maximum permissible limit of Al+3 in Tc-99m eluate is set by? Society of Nuclear Medicine (SNM) U.S. Pharmacopeia Nuclear Regulatory Commission (NRC) Food and Drug Administration (FDA) None 5. Physics Technetium-99m and Technetium-99 are: Isotopes Isomers Isotones Isobars None 6. Quantities and Units 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 7.5 hours 9.2 hours 2.5 hours None 7. Quantities and Units 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? 173 uCi 162 uCi 185 uCi 250 uCi None 8. 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 technologist. The absence of emission data. The absence of patient. The absence of any material in the field of view (FOV). None 9. Radiation Safety Which of the following tissues is the most radiosensitive? Nerve Muscle Lymph Cartilage None 10. Quality Control Co-57, Ge-68, and Ba-133 are sometimes called “mock” isotopes. Which of the following trios of isotopes do they imitate? Tc-99m, I-131, Co-60 Tc-99m, F-18, I-131 Xe-133, Ga-67, Sm-153 Co-60, Xe-133, F-18 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
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