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. Elements with same atomic number and different atomic mass number are called? Isomers Isotopes Isotones Isobars None 2. Dual time-point imaging (DTPI) can improve accuracy of positron emission tomography (PET) imaging. DTPI technique is a specialized protocol in which: Delay imaging is performed Dual-isotope technique is applied Flow study is performed followed by static imaging Two days delay imaging is performed None 3. An atom with an unstable nucleus is called a: Radiochemical Radio wave Radionuclide Radiopharmaceutical None 4. 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 5. Technetium-99m and Technetium-99 are: Isomers Isobars Isotopes Isotones None 6. Which of the following is the principal decay mode of Tc-99m? Isomeric transition Electron capture Pair production Beta minus None 7. Which of the following radionuclides has the highest kinetic energy of the positron? N-13. F-18. Rb-82. C-11. None 8. 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: 10 cm Half the collimator diameter 1 in Contact None 9. 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 10. Basic algorithms for reconstruction of tomographic images from projection figures include two analytic techniques known as: Filtered backprojection and volume rendering techniques Inverse Fourier transform and filtering techniques Filtering and volume rendering 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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