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. 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 Filtering and volume rendering techniques Filtered backprojection and volume rendering techniques None 2. Which of the following best defines isotopes of an element? Atoms with same number of protons, electrons and neutrons. 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 and neutrons but different number of electrons. None 3. If the sample volume of a given activity is increased, the counting efficiency of the well counter will: Not change Increase Approach 0 Decrease None 4. Elements with same atomic number and different atomic mass number are called? Isomers Isobars Isotones Isotopes 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 but opposite charge A particle having a mass equal to the electron and no charge None 7. The nucleus is composed of two types of particles called: Neutrons and protons Quarks and protons Electrons and quarks Protons and electrons None 8. An atom with an unstable nucleus is called a: Radiochemical Radio wave Radiopharmaceutical Radionuclide None 9. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Gamma photons Electrons X-rays Neutrons None 10. Image representation of raw data obtained from projections of the object for image reconstruction is called: Star artifact Sinogram Blank scan Uniformity projections 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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