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60 Cards in this Set
- Front
- Back
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What is the name for steps that are taken to make sure a dental office will produce consistently high quality radiographs?
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quality assurance
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True or False, quality assurance has nothing to do with ensuring optimal & consistent operation
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False, it is!
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What are the two categories of quality assurance?
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quality control, administration
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True or False, when doing quality control, you should keep a log of everything
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True.
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(Quality control, administration) is the aspect of quality assurance dealing with performance of x-ray units, lead shields, the darkroom, software, etc.
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quality control
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What three things should you test annially?
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calibrate x-ray macines, check lead apron, check thyroid collar for cracks
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What 7 things should you check monthly?
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intensifying screens and cassettes, viewing conditions and view boxes, safelight (coin test) test, exposure charts at each machine, rotate film stock, assess digital receptors
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What 7 things should you check daily?
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maintain darkroom, automatic processor check (clean film, step wedge test), image quality (compare later image to reference), fill out radiograph retake log, replenish processing solutions, check temp. and time of processing
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Tue or False, reference film is taken soon after processing solutions changed and mounted n a view box
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True.
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What device is used as an indicator of processing solution and image quality?
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step wedge
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When should you change a solution after looking at a step wedge test?
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when the step wedge become one full step lighter
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What wattage should a darkroom bulb be and how far away is it?
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15 watts, 4 feet away
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A Kodak GBX-2 is safe for how long?
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5 to 8 minutes
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What test do we use to test the safe light?
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coin test
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True or False, it is ok to use manual solutions for an automatic processor
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False. Do not!
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How often should you check the solution temperature in a manual processor?
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once/day
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Change solutions in a manual processor every ?? Days
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15
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What are the two reasons we keep manual processing tanks covered?
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to prevent oxidation and evaporation
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What are the two MAIN differences between auto and manual processing?
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auto is higher temperature and doesn't require rinsing
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How is time controlled in an auto processor?
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speed of the rollers
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What do we have to do first with concentrated solutions before use?
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mix with water
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To clean an automatic processor, you must warm it up and run what type of film through?
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8 by 10 Kodak Roller Transport Cleanup
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True or False, do not remove the cover on an automatic processor
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False, we need to remove the cover so it can aerate
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Cleaning processors, replenishing solutions daily, checking time and temp or processor, and performing what else will help you avoid processing errors?
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performing quality control every morning
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Films should be stored in a (cool, warm) and (dry, wet) place
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cool, dry
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What is the ideal storage temperature for film storage?
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50-70 degrees F
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What should the relative humidity be for film storage?
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30-50%
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high temperature will (increase, decrease) contrast and (increase, decrease) fog
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decrease, increase
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True or False, cassettes are the one aspect of radiography that are so rigid they never need to be checked
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False!! They can leak and cause fuzzy images and fog
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What types of radiographic items sould be checked for stained areas, residues and scratches?
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intensifying screens
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What should be used to dry intensifying screens when you're done cleaning it?
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dry cotton gauze
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True or False, you should apply an antistatic solution to intensifying screens
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True.
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How often should you check your xray machines?
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yearly
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What 5 things should be checked on an X-ray machine?
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output (mA and timer), machine quality (kVp), focal spot, collimator and beam alignment, stability of tube head/arm
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In the quality control kit, what is the purpose of the sensitometer and densitometer?
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quantify fog, assess differences between contrast and density
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In the quality control kit, what is the purpose of the dosimeter?
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measure radiation output
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In the quality control kit, what is the purpose of the kVp test device?
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test kVp meter
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In the quality control kit, what is another name for the electronic timer meter?
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brass spinning top
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In the quality control kit, what is the purpose of the focal spot testing
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resolution test object
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True or False, the quality control kit does not include a collimator checker or a step-wedge
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False, it has both!
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What should be the diameter of the exposed area when testing collumation?
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2.75 inches or less than (or = to) 7 centimeters
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Which tester puts a small dot on a film for each impulse?
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timer meter or brass spinning top
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How many lines pairs is considered excellent resolution? Poor resolution?
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11 to 12; 7 or less
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What is a patient paying for when they have a radiograph done?
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dentist's ability to interpret radiographs and arive at diagnostic opinion
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Who owns the radiograph after it's taken?
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dentist (not the patient!)
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True or False, radiographic laws are the same for every state
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False. They are different
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How long should a dentist keep radiographs?
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indefinitely
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What is the greatest protection against a possible claim of negligence?
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radiiographs
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What are a common cause ot malpractice suits?
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lack of radiographs
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What two things can be done if a patient refuses radiographs?
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have patient sign off, dentist can offer free radiographs (or not treat patient at all)
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Who is responsible for procedures performed by people other than the dentist?
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that person AND the dentist!
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True or False, only the person performing a procedure can be sued
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False, that person and the dentist can be sued
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True or False, good quality radiographs are considered factual evidence
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True.
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What are two legal reasons that poor radiographs should be retaken?
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won't be good evidence, will reflect poorly on the dentist's abilities
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When ordering images, how many should you get?
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Only those that will benefit diagnosis
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You should order images (before, after) clinical exam
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after
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When are two cases that previos images from a patient may be useful?
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if it's recent, it could help right now; if it's older, you can take a new one and see changes
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True or False, only take a radiograph if the resulting image will benefit the patient care
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True.
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What re two situations that mandate an image be taken?
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clinical evidence of abnormality, high disease probability
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True or False, the ADA has no recommendation on how much a patient is exposed to x-ray, as long as the dentist is doing it
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False! They discourage unnecessary radiographs and overexposure
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