exposure errors
processing errors
misc.
digital radiography
PPE and safety
100

decribe cone cutting. 

when the x-ray beam is not lined up right and the radiation does not hit the film causing it not to develop. 

100

if dental films continue to turn out lighter than the one before then you should. 

replinish the developer

100

what setting on a control panel should you increase for more penetrating power? 

kilovoltage

100

direct digital imaging uses _____ instead of film? 

sensors

100

what PPE is needed to take an X-ray? 

mask, gloves, and a scrub jacket. 

200

what causes overlap? 

improper horizontal angulation

200

if the developer temp is higher than normal the X-ray will appear? 

dark

200

minimum distance to place a 7-watt safe light? 

4ft 

200

true or false: digital radiography has less radiation than normal film mounting. 

true

200

what should lead aprons be inspected for annually? 

cracks 

300

what causes a blurred X-ray image. 

movement of the tube head, patient, or the film during exposure. 

300

what would happen to the film if it was left in Fixer overnight? 

it would turn completely clear 

300

The four types of radiation are? 

primary, secondary, leakage, scatter
300

true or false: phosphor plates cannot be used in indirect digital imaging. 

false

300

you should not take X-rays on pregnant women because? 

a fetus is more sensitive due to rapidly reproducing cells 

400

when teeth on an X-ray are smaller than normal, you need to decrease the ______?

verticle angulation 

400

If the duplicating film was exposed to light it would? 

appear light 

400

what needs to be affixed on an extraoral radiograph? 

patient name, date of exposure, R and L orientation 

400

what does MRI stand for? 

magnetic resonance imaging 

400

the lead apron has a cervical collar to protect what? 

the thyroid 

500

what causes squiggly lines on an X-ray film after processing? 

static electricity 

500

What scent is produced when the fixer gets in with the  developer? 

ammonia  

500

Who invented the first dental x-ray unit? 

Dr. William Rollins 

500

what are the 2 types of sensors used in digital dental radiology? 

CCD and CMOS 

500

pregnant women can only have _______ sieverts of radiation per year. 

.005 SV