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