اختبار: فيزياء الطب النووي A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 20 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. Which of the following is the principal decay mode of Tc-99m? Electron capture Beta minus Pair production Isomeric transition None 2. The nucleus is composed of two types of particles called: Quarks and protons Neutrons and protons Protons and electrons Electrons and quarks None 3. Which of the following sentences correctly describes a positron? A particle having a mass equal to the proton and no charge A particle having a mass equal to the proton but opposite charge A particle having a mass equal to the electron but opposite charge A particle having a mass equal to the electron and no charge None 4. The ratio of net counts in the photopeak to net counts in the entire spectrum is called: Energy resolution Photopeak efficiency Photopeak window Energy constant None 5. Image representation of raw data obtained from projections of the object for image reconstruction is called: Uniformity projections Sinogram Blank scan Star artifact None 6. Which of the following is the half-life? Time taken for the number of radioactive nuclei to decrease by a factor of two. Reciprocal of the decay constant. Time taken for the number of radioactive nuclei to increase by a factor of two. Decay constant multiplied by the natural logarithm of two. None 7. Elements with same atomic number and different atomic mass number are called? Isobars Isotones Isotopes Isomers None 8. Technetium-99m and Technetium-99 are: Isobars Isotones Isotopes Isomers None 9. Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting ionizing radiation. The emission is described as spontaneous meaning: The nucleus decays without collision with shielding material The nucleus decays after collision with shielding material The nucleus decays without collision with another particle or atom The nucleus decays after collision with another particle or atom None 10. If the sample volume of a given activity is increased, the counting efficiency of the well counter will: Not change Approach 0 Increase Decrease None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-20T14:26:04+03:00أبريل 15th, 2021|معلومات عامة|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: أساسيات الطب النووي اختبار: أساسيات الطب النووي أبريل 15th, 2021 | لا توجد تعليقات اختبار: رعاية المريض اختبار: رعاية المريض مارس 10th, 2021 | لا توجد تعليقات اختبار: الصيدلة النووية اختبار: الصيدلة النووية مارس 10th, 2021 | لا توجد تعليقات اختبار: الإختصارات والمصطلحات الطبية اختبار: الإختصارات والمصطلحات الطبية مارس 8th, 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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