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Bushong Chapter 1

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  • 1 inch = ? cm, 1 kg =? lbs
    2.54 cm, 2.2 lbs
  • What percentage of our dose is contributable to medical imaging?
    50%
  • What makes up an ion pair?
    a negative ion, positive ion ---- BOTH electrons
  • Three types of electromagnetic radiation?
    x-rays and gamma rays and UV light
  • Thermal radiation is a transfer of heat by what radiation ?
    infrared
  • What are the units of derived quantities?
    volume, mass density and velocity
  • What 2 forms of mechanical energy are often used in radiologic science?
    Kinetic and potential
  • absorbed dose = effective dose? True or false ? What SI is used ?
    yes, Sv
  • What are Newton's three laws?
    Inertia, Force and Action
  • For every action, there is an equal and opposite reaction. What law is this?
    Newton's Third Law of Motion
  • What does a target atom hit by ionizing radiation, split into?
    positive and negative ion
  • What makes up all things in the universe?
    Matter, molecules, atoms and energy
  • Air Kerma is the kinetic energy transferred from photons to electrons during what process?
    Excitation and ionization
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