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. Technetium-99m and Technetium-99 are: Isotones Isomers Isotopes Isobars None 2. Which of the following is the half-life? Time taken for the number of radioactive nuclei to decrease by a factor of two. Decay constant multiplied by the natural logarithm of two. Time taken for the number of radioactive nuclei to increase by a factor of two. Reciprocal of the decay constant. None 3. Which of the following is the principal decay mode of Tc-99m? Electron capture Beta minus Pair production Isomeric transition None 4. Which of the following radionuclides has the highest kinetic energy of the positron? Rb-82. N-13. F-18. C-11. None 5. Which of the following best defines isotopes of an element? Atoms with same number of protons and electrons but different number of neutrons. Atoms with same number of neutrons and electrons but different number of protons. Atoms with same number of protons, electrons and neutrons. Atoms with same number of protons and neutrons but different number of electrons. None 6. 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 7. Basic algorithms for reconstruction of tomographic images from projection figures include two analytic techniques known as: Filtered backprojection and iterative techniques Filtered backprojection and volume rendering techniques Inverse Fourier transform and filtering techniques Filtering and volume rendering techniques None 8. The minimum amount of energy needed to overcome the forces holding the atom together is called: Kinetic energy Binding energy Holding energy Thermal energy None 9. Dual time-point imaging (DTPI) can improve accuracy of positron emission tomography (PET) imaging. DTPI technique is a specialized protocol in which: Dual-isotope technique is applied Delay imaging is performed Flow study is performed followed by static imaging Two days delay imaging is performed None 10. When only image quality is considered, the best possible distance between the collimator and the patient’s body for a gamma-camera equipped with HRES collimator is: Contact Half the collimator diameter 10 cm 1 in 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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