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. If the sample volume of a given activity is increased, the counting efficiency of the well counter will: Increase Approach 0 Not change Decrease None 2. 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 3. Basic algorithms for reconstruction of tomographic images from projection figures include two analytic techniques known as: Filtered backprojection and iterative techniques Inverse Fourier transform and filtering techniques Filtered backprojection and volume rendering techniques Filtering and volume rendering techniques None 4. One of two or more different nuclides having the same mass number is called: Isotone Isotope Isomer Isobar None 5. Which of the following is the half-life? Decay constant multiplied by the natural logarithm of two. Reciprocal of the decay constant. Time taken for the number of radioactive nuclei to increase by a factor of two. Time taken for the number of radioactive nuclei to decrease by a factor of two. 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 and no charge A particle having a mass equal to the electron but opposite charge None 7. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Neutrons Electrons Gamma photons X-rays None 8. Which of the following radionuclides has the highest kinetic energy of the positron? Rb-82. F-18. C-11. N-13. None 9. An alpha particle is identical to the nucleus of a helium atom. Alpha particles: Travel unlimited distances Are smaller than beta particles Are used for radionuclide therapy Are not charged None 10. Which of the following best defines isotopes of an element? Atoms with same number of protons and neutrons but different number of electrons. Atoms with same number of neutrons and electrons but different number of protons. Atoms with same number of protons and electrons but different number of neutrons. Atoms with same number of protons, electrons and neutrons. 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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