finals 3

when the x-ray tube is centered above the examination table at the standard SID, the x-ray tube is in a preferred _

when x-rays are produced, they are emitted _, that is, iwth equal intensity in all direction

x-rays emitted through the window are called _

x-rays that escape through protective housing are called

guards against excessive radiation exposure and electric shock

the protective housing also provides _ for the x-ray tube and protects the tube from damage caused by rough handling

the glass enclosure is made of _ to enable it to withstand the tremendous heat that is generated

is the negative side of the x-ray tube.

two primary parts of cathode

emits electrons when it is heated

atoms are boiled off and rejected from the filament

filaments are usually made of _

melting point of tungsten

filament is embedded in a metal shroud called the _

is negatively charged so that it electrostatically confines electron beam to a small area of the anode

electrostatic repulsion