chapter 9 radiology
Terms
undefined, object
copy deck
- define processor housing
- holds compartments
- define film feed slot
- opening outside where unwrapped film insert
- define film transport
- rollers move film through developer fixer water, drying compartments and remove excess solutions
- what are rollers propelled by
- motor driven gears and belts
- define developer compartment
- hold developer solution
- why does development occur quickly
- high temperatures
- are the liquids the same in botht the manuel film processing as the automatic processing
- no
- what does the fixer compartment do
- holds fixer solution
- do you need a rinsig step to transfer the developer solution into the fixer
- no
- what kind of fixer solutioin is used in automatic processing
- specialy formulated high concentrated chemical contain hardening agent
- what occurs to film in fixer solution
- rapidly fixed and hardened
- define water compartment
- holds circulating water to wash film
- define drying compartment
- holds heated air dries film
- define drying chamber
- holds heated air dries film
- define replenisher pump and replenshier solutioin
- maintain proper solution concentration and level antomaticaly
- define film recovery slot
- opening outside where film lay
- where should the processor be kept
- dark room
- define cleaning film
- cleans rollers of automatic processor
- how do we clean the rollers
- warm water soaked in 10-20 min
- what occurs if you do not add replenisher
- exhausted solutions and nondiagnostic radiographs
- define film duplicator
- making doubles of film for specialist teaching aids and insurance claims
- define film processing
- process dental x ray film
- why is automatic processing prefered over manuel
-
less time
time emp automatic
less equipment
less space required - what procedures high quality radiographs and less chance of operator error
- automioc processor
- how does the automatic processor work
- roller transport system move unwrapped dental x ray film through developer fixer water drying compartments
- define voltage
- measure electrical force cause electrons move from negative to positive
- what is volatage measured in
- volts or kilovolts
- define kilovoltage peak
- current passing from cathode to anode control
- define circuit
- path of electrical current
- define filament circuit
- regulate flow electrical current to filament x ray tube
- define transformer
- increase decrease voltage
- what are the two things the cathode includes
-
tungsten filament
molybdenum cup
- define tungsten filament
- tungsten coild wire produce electrons when heated