xray production Flashcards
What three things are needed to produce xrays?
source of electrons
acceleration of electrons
deceleration of electrons
What is the production of electrons at the cathode end of the xray tube?
thermionic emission
How do you control xray photons?
ma
time
mAs
What creates increase negative charge and positive charge causing free electrons to travel to anode at high velocity?
kVp
What determines the energy of the xray photons and the amount of photons?
kVp
What determines the photon production?
mAs
Cathode is what charge?
negative
Anode is what charge?
positive
Filament is what charge?
negative
What is connected to the cathode and housed in the focusing cup?
filament
Electrons are produced at?
filament
What is the measurement of tube current?
ma
What is a controller of xray intensity (quantity)?
mAs
What is a controller of photon penetrability (energy)?
kVp
