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 not charged Are used for radionuclide therapy Travel unlimited distances Are smaller than beta particles 2. 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. 3. Technetium-99m and Technetium-99 are: Isotones Isotopes Isobars Isomers 4. 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: 1 in 10 cm Contact Half the collimator diameter 5. Elements with same atomic number and different atomic mass number are called? Isotones Isomers Isotopes Isobars 6. Which of the following is the principal decay mode of Tc-99m? Electron capture Beta minus Isomeric transition Pair production 7. 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 but opposite charge A particle having a mass equal to the proton and no charge A particle having a mass equal to the electron and no charge 8. In isomeric transition decay, the extra energy in the nucleus is released by the emission of: Gamma photons Electrons Neutrons X-rays 9. An atom with an unstable nucleus is called a: Radionuclide Radiopharmaceutical Radio wave Radiochemical 10. Which of the following radionuclides has the highest kinetic energy of the positron? Rb-82. C-11. F-18. N-13. 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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