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. 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 10 cm Half the collimator diameter 1 in None 2. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Neutrons Gamma photons Electrons X-rays None 3. Basic algorithms for reconstruction of tomographic images from projection figures include two analytic techniques known as: Inverse Fourier transform and filtering techniques Filtered backprojection and iterative techniques Filtered backprojection and volume rendering techniques Filtering and volume rendering techniques None 4. Which of the following radionuclides has the highest kinetic energy of the positron? F-18. N-13. C-11. Rb-82. None 5. Which of the following is the principal decay mode of Tc-99m? Pair production Beta minus Isomeric transition Electron capture None 6. The minimum amount of energy needed to overcome the forces holding the atom together is called: Holding energy Binding energy Kinetic energy Thermal energy None 7. One of two or more different nuclides having the same mass number is called: Isobar Isotope Isotone Isomer None 8. Elements with same atomic number and different atomic mass number are called? Isomers Isotones Isobars Isotopes None 9. 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 protons, electrons and neutrons. Atoms with same number of neutrons and electrons but different number of protons. Atoms with same number of protons and neutrons but different number of electrons. None 10. 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 after collision with another particle or atom 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 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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