chapter 2 radiology
Terms
undefined, object
copy deck
- what is the appearance of x rays
- no sense detected and invisible
- what is the x rays mass
- dont have one
- what is a xrays charge
- doesnt have
- what is an xrays speed
- speed of light
- what is a xrays wave lenght
- in short waves high frequency
- what is the xrays path of travel
- straight lines deflected and scattered
- what is the xrays focussing capability
- no focus to point and diverge
- what is an x rays penetrating power
- penetrate liquids solids and gases the composition of the x ray tells it to penterate through the substance
- what is the x rays absorption
- by matter depends on automic structure of matter and wavelenght of x ray
- what is a x rays ionization
- interact with material pentetrate and ionize
- what is x rays flouresence
- substance to flourecence or emit radiation in long wave lengths
- what is the effect on film x rays have
- produce image
- what is the effect x rays have on living cells
- biological changes
- define step down transformer
- used to decrease voltage used by filament circuit
- what is a step up transformer
- increase voltage
- define electricity
- energy used to make x rays
- what is electrical current
- electrons pass through conductor
- define direct current
- electrons flow one way through conductor
- define alternating current
- electrical current in which electrons flow in 2 opposite directions
- define rectification
- conversion alternating current to direct current
- define amperage
- measurement number of electrons through conductor
- define amperes and milliamperes
- measurement of current
- define voltage
- measure electrical force cause electrons move from negative to positive pole
- what is voltage measured in
- volts and kilovolts
- define kilovoltage
- current passing from cathode to anode control
- define circuit
- path of electrical current
- define filament circuit
- regulate flow electrical current to fliament x ray
- define high voltage circuit
- accelerate electrons and generates x rays into x ray tube
- define transformer
- increase decrease voltage
- what the three transformers that alter electrical circuits
-
step down
step up
auto transformer - what is a step down transformer
- used to decrease voltage
- step up transformer
- increases voltage