Rad 3 Final

Question 1

Unprocessed rare earth film has usually what color?

a. orange
b. red
c. green
d. purple

Answer 1

purple

Calcium tungsten is GREEN

Question 2

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

Answer 2

with the box on end

Question 3

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

Answer 3

rare earth

Question 4

Which of the following contain silver halide crystals?

a. film emulsion
b. intensifying screen phosphor layer
c. film base
d. intensifying screen reflective layer

Answer 4

film emulsion

Question 5

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

Answer 5

white specks

STATIC is BLACK

Question 6

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

Answer 6

a blurry area from bad contact

Question 7

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

Answer 7

they can be sold for silver

Question 8

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

Answer 8

the lumbar section has the fastest speed

CERVICALS have lowest

Question 9

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

Answer 9

squeegee rollers

Question 10

Silver is usually recovered from which fluid?

a. fixer
b. developer
c. wash water
d. replenisher

Answer 10

fixer

Question 11

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

Answer 11

dirty intensifying screen

STATIC is black

Question 12

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

Answer 12

it would be too dark

Question 13

What is usually considered the optimal developing time for manual processing?

a. 2 min
b. 4 min
c. 5 min
d. 10 min

Answer 13

5 min

Question 14

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

Answer 14

the film will be grainy

Question 15

Which color safelight filter is needed for most rare earth screens?

a. green
b. blue
c. orange
d. red

Answer 15

red

Question 16

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

Answer 16

for the lifetime of the individual

Question 17

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

Answer 17

outlining some muscles and organs

Question 18

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

Answer 18

an atherosclerotic aorta

Question 19

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

Answer 19

a film badge

Question 20

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

Answer 20

you put the cassette in backwards

Question 21

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

Answer 21

EPA

Question 22

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

Answer 22

none

Question 23

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

Answer 23

it should not exceed 5 rems per year for the whole body

Question 24

** 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

Answer 24

films were not washed long enough

Question 25

** How old, according to federal regulations do you have to be to take x-rays?

a. 16
b. 18
c. 21
d. 25

Answer 25

18