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. One of two or more different nuclides having the same mass number is called: Isotone Isomer Isobar Isotope 2. Technetium-99m and Technetium-99 are: Isobars Isotones Isotopes Isomers 3. Dual time-point imaging (DTPI) can improve accuracy of positron emission tomography (PET) imaging. DTPI technique is a specialized protocol in which: Flow study is performed followed by static imaging Delay imaging is performed Dual-isotope technique is applied Two days delay imaging is performed 4. 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 protons and electrons but different number of neutrons. Atoms with same number of neutrons and electrons but different number of protons. Atoms with same number of protons, electrons and neutrons. 5. Which of the following is the half-life? Time taken for the number of radioactive nuclei to decrease by a factor of two. Time taken for the number of radioactive nuclei to increase by a factor of two. Reciprocal of the decay constant. Decay constant multiplied by the natural logarithm of two. 6. Image representation of raw data obtained from projections of the object for image reconstruction is called: Blank scan Uniformity projections Star artifact Sinogram 7. An atom with an unstable nucleus is called a: Radiochemical Radionuclide Radio wave Radiopharmaceutical 8. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Neutrons X-rays Gamma photons Electrons 9. Which of the following sentences correctly describes a positron? 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 A particle having a mass equal to the proton and no charge 10. The ratio of net counts in the photopeak to net counts in the entire spectrum is called: Photopeak window Energy constant Photopeak efficiency Energy resolution 1 out of 10 Time is Up! Time's up By Nasser AlMutairi|2021-03-31T11:37:09+03:00March 31st, 2021| Share This Post With Others! FacebookTwitterLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Member of SSNMMI Executive Committee. Leave a Reply Cancel reply
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