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. Technetium-99m and Technetium-99 are: Isotopes Isobars Isotones Isomers None 2. An alpha particle is identical to the nucleus of a helium atom. Alpha particles: Are not charged Travel unlimited distances Are used for radionuclide therapy Are smaller than beta particles None 3. The nucleus is composed of two types of particles called: Quarks and protons Electrons and quarks Protons and electrons Neutrons and protons None 4. 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 5. 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 6. The ratio of net counts in the photopeak to net counts in the entire spectrum is called: Photopeak window Energy resolution Energy constant Photopeak efficiency None 7. One of two or more different nuclides having the same mass number is called: Isotone Isotope Isobar Isomer None 8. Dual time-point imaging (DTPI) can improve accuracy of positron emission tomography (PET) imaging. DTPI technique is a specialized protocol in which: Two days delay imaging is performed Dual-isotope technique is applied Delay imaging is performed Flow study is performed followed by static imaging None 9. Which of the following radionuclides has the highest kinetic energy of the positron? F-18. Rb-82. C-11. N-13. None 10. 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 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-31T11:37:09+03:00March 31st, 2021| Share This Post With Others! FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave a ReplyCancel reply
Leave a Reply