Test Bank for Oral Radiology Principles and Interpretation, 6th Edition, Stuart C. White, Michael J. Pharoah.Test Bank for Oral Radiology Principles and Interpretation, 6th Edition, Stuart C. White, Michael J. Pharoah.Test Bank for Oral Radiology Principles and Interpretation, 6th Edition, Stuart C...
https://www.stuvia.com/ TEST BANK FOR ORAL R ADIOLOGY PRINCIPLES AND INTER PRETATION, 6TH EDITION, STUART C. W HITE, MICHAEL J. PHAROAH Test Bank https://www.stuvia.com/ 1-1 White: Oral Radiology, 6th Edition Chapter 1: Radiation Physics Test Bank Multiple Choice 1) According to the Standard Model: A. fundamental particles have an inner structure and can be divided. B. quarks exist only as solitary particles. C. electrons are made of quarks. D. all visible matter in the universe is made of up quarks, down quarks, or electrons. ANS: D According to the Standard Model , all visible matter in the universe is made of up quarks, down quarks, or electrons. Fundamental particles have no inner struct ure and cannot be divided. Quarks only exist in association with other quarks, never as solitary particles. Leptons exist only as solitary particles. Neutrons and protons are made of quarks. Electrons and neutrinos are stable leptons. REF: Page 2 2) When antimatter particles interact with matter , they: A. form leptons. B. form quarks. C. mutually annihilate into pure energy. D. create an antiparticle. ANS: C When antimatter particles interact with matter , they mutually annihilate into pure energy. Electrons and neutrinos are stable leptons. The universe is made of 24% matter and 76% dark energy. Only 5% of the matter is in the form of atoms and neutrinos. The nature of the rest of the matter, and of dark energy, is unknown. REF: Page 2 3) Which of the following types of force carrier particles mediates the strong nuclear force that binds nuclei together? A. Photons B. Bosons
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