what contacts tungsten target Correct Answer: electrons
xrays are between Correct Answer: UV and gamma rays
attenuation Correct Answer: xrays weakens at it travels thru matter
receptor Correct Answer: film that is processed
two types of ionizing radiation Correct Answer: electromagnetic
particulate
electromagnetic radiation Correct Answer: movement of energy as a
combo of electrical and magnetic fields
shorter wavelength Correct Answer: higher energy
particulate radiation Correct Answer: alpha and beta particles from
radioactive decay
atomic nuclei or subatmoic particles moving at high velocity
two types of xray production Correct Answer: bremsstrahlung
bremsstrahlung Correct Answer: primary source of xray photons
electron strikes target and brakes giving off energy
generates continous spectrum of energy
characteristic Correct Answer: seconday source of xray photons
emits photon of specific energy
, accidentally knocks into another electron and drops into lower orbital
level
cathode Correct Answer: produces electrons
negative
anode Correct Answer: converts electros to xray photons
copper stem dissipates heat
electrons are Correct Answer: 99% heat and 1% photon
copper steam dissipates heat
glass is for Correct Answer: insulation
aluminum for Correct Answer: filtration
lead for Correct Answer: collimation
intensity of xray Correct Answer: quantity of electrons
number of photons
density is reflected by Correct Answer: the intensity of the xray
the density is the Correct Answer: darkness of the image
energy is the Correct Answer: quality of electrons
energy of photons
energy is based on Correct Answer: contrast = difference among gray
values
exposure time affects Correct Answer: intensity