Physics 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. An alpha particle is identical to the nucleus of a helium atom. Alpha particles: Are used for radionuclide therapy Are not charged Are smaller than beta particles Travel unlimited distances None 2. One of two or more different nuclides having the same mass number is called: Isobar Isomer Isotope Isotone None 3. The minimum amount of energy needed to overcome the forces holding the atom together is called: Binding energy Thermal energy Holding energy Kinetic energy None 4. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Gamma photons Neutrons X-rays Electrons None 5. Which of the following radionuclides has the highest kinetic energy of the positron? C-11. Rb-82. N-13. F-18. None 6. The nucleus is composed of two types of particles called: Neutrons and protons Protons and electrons Electrons and quarks Quarks and protons None 7. The ratio of net counts in the photopeak to net counts in the entire spectrum is called: Photopeak window Photopeak efficiency Energy constant Energy resolution None 8. Image representation of raw data obtained from projections of the object for image reconstruction is called: Uniformity projections Blank scan Star artifact Sinogram None 9. 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 10. Basic algorithms for reconstruction of tomographic images from projection figures include two analytic techniques known as: Filtered backprojection and volume rendering techniques Filtering and volume rendering techniques Inverse Fourier transform and filtering techniques Filtered backprojection and iterative techniques None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-31T11:37:09+03:00March 31st, 2021| شارك هذه الصفحة FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave A Comment Cancel replyComment Δ
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