Rad 3 Final Flashcards
Unprocessed rare earth film has usually what color?
a. orange
b. red
c. green
d. purple
purple
Calcium tungsten is GREEN
How should unexposed x-ray film be stored?
a. with the box flat
b. with the box on end
c. in a warm room
d. in a moist environment
with the box on end
Which of the following is the recommended intensifying screen for use in a chiropractic office?
a. calcium tungsten
b. direct exposure
c. single screen
d. rare earth
rare earth
Which of the following contain silver halide crystals?
a. film emulsion
b. intensifying screen phosphor layer
c. film base
d. intensifying screen reflective layer
film emulsion
How will dirt on the intensifying screen appear on the exposed film?
a. white branching streaks
b. black branching streaks
c. white specks
d. black specks
white specks
STATIC is BLACK
Determine which of the following problems could occur if your intensifying screen is warped?
a. scratches on the film from roughened crystals
b. film pressure marks from increased contact
c. a blurry area from bad contact
d. light leak from a bent cassette back
a blurry area from bad contact
Why should bad film that you have retaken not be destroyed?
a. they are protected by the statue of limitation law
b. they can be recycled by the film company
c. they contain poisonous material
d. they can be sold for silver
they can be sold for silver
With gradient screen, which of the following is true?
a. the cervical section has the fastest speed
b. the thoracic section has the fastest speed
c. the lumbar section has the fastest speed
d. the speed is the same throughout
the lumbar section has the fastest speed
CERVICALS have lowest
Which part of an automatic processor is responsible for removing excess fluid as the film exits a tank?
a. transport rollers
b. master rollers
c. squeegee rollers
d. splashgaurds
e. circulating system
squeegee rollers
Silver is usually recovered from which fluid?
a. fixer
b. developer
c. wash water
d. replenisher
fixer
Small WHITE specks on the processed film usually indicate which of the following?
a. static electricity
b. dirty intensifying screen
c. warped screens from bent cassettes
d. bending or crimping of the film
dirty intensifying screen
STATIC is black
How would your processed film appear if your developer temperature was above normal and it was developed at the normal time?
a. it would have a green tint
b. it would be too light
c. it would be too dark
d. it would have brown stains
it would be too dark
What is usually considered the optimal developing time for manual processing?
a. 2 min
b. 4 min
c. 5 min
d. 10 min
5 min
A film taken with a 1200 screen speed system will usually demonstrate which appearance?
a. the film will be grainy
b. the film will be fogged
c. the imaging will be darker
d. the film will demonstrate image blurring
the film will be grainy
Which color safelight filter is needed for most rare earth screens?
a. green
b. blue
c. orange
d. red
red
How long is a doctor required to keep the records of radiation exposure on a worker in his/her office?
a. 1 year
b. 7 years
c. during current employment
d. for the lifetime of the individual
for the lifetime of the individual
Of the following, where would an oil density normally be found on an x-ray?
a. outlining some muscles and organs
b. within the lumen of a blood vessel
c. in the medullary canal
d. in the colon
outlining some muscles and organs
The contrast of natural metal density and water density explains why we often see which of the following?
a. the spleen
b. the ear cartilages
c. an obstructed bowel
d. an atherosclerotic aorta
e. the large intestine with fecal material
an atherosclerotic aorta
Which of the following relates to a dosimeter?
a. measuring the density of the film
b. testing developer strength
c. a gonad shield
d. a film badge
a film badge
If you saw the support or hinges imaged on a film that you took in a Rad lab, what would you suspect the most common reason would be?
a. the cassette is old
b. you had too much kV
c. the grid malfunctioned
d. you put the cassette in backwards
e. you didn’t push the cassette in all the way
you put the cassette in backwards
Which United States government agency mandates the removal of silver from a processing fluid before disposal?
a. FDA
b. EPA
c. OSHA
d. NCRP
e. UDSA
EPA
In inches what is the lead equivalent thickness required for a ceiling of a single story building?
a. none
b. 1/32 inches
c. 1/16 inches
d/ 1/8 inches
none
Which statement is true about occupational dose limits?
a. it should not exceed 5 rems per year for the whole body
b. it should not exceed 5 mrems per year for the whole body
c. it should not exceed 15 rems per year for the whole body
d. it should not exceed 0.5 rems per year for the whole body
it should not exceed 5 rems per year for the whole body
** X-rays appear yellowish-brown which you determine is due to a loss of archival quality. What do you think went wrong?
a. rare earth film was used
b. drying cycle was too short
c. films were not washed long enough
d. orange safelight was used with rare earth film
films were not washed long enough
** How old, according to federal regulations do you have to be to take x-rays?
a. 16
b. 18
c. 21
d. 25
18