Rad 3 Summer 08 Final Flashcards
BLACK branching streaks randomly placed on the film is usually do to what?
a. light leak
b. static electricity
c. bending the film
d. cracks in the screen
e. too high of a kV setting
static electricity
Dirt = white
Which type of film is preferred in a chiropractic office?
a. single emulsion
b. double emulsion
c. direct exposure
d. par speed exposure
double emulsion
single for extremities
Which of the following advantage does a single screen cassette have?
a. increased image detail
b. increased speed
c. decreased exposure
d. decreased image latitude
increased image detail
An arbitrary number of 100 speed screens is referred to as _______
a. par
b. fast
c. high
d. rare earth
par
“Rare earth” screen have which effect?
a. allows more patient motion due to increased time
b. less ration dose to the patient
c. eliminates the need for gonad shielding
d. higher x-ray exposure to the patient
less radiation dose to the patient
Which of the following would produce the most grain (noise) on the film?
a. using no screens
b. using par speed screens
c. using detail screens
d. using fast speed screens
using fast speed screens
With intensifying screens which would give better detail?
a. larger crystals
b. thicker phosphor layer
c. a reflective layer
d. a single screen system
a single screen system
Which color light is preferred from the intensifying screen crystals today?
a. blue
b. green
c. violet
d. blue-green
blue-green
A 100 speed rare earth dual screen system are often used for which of the following?
a. chest
b. wrist
c. cervical spine
d. lumbo-sacral spot
wrist
What would oxidized developer look like?
a. clear
b. yellow
c. orange
d. brown
brown
Which of the following is true about manual processing?
a. fixing is twice as long as developing
b. washing is twice as long as developing
c. rinsing is twice as long as fixing
d. developing is twice as long as fixing
fixing is twice as long as developing
With processing equipment, which tank contains an acidic solution?
a. developer tank
b. master tank
c. fixing tank
d. rinse tank
e. wash tank
fixing tank
Four inches of concrete is equivalent to how much lead?
a. 1/32 of an inch
b. 1/16 of an inch
c. 1/8 of an inch
d. 1/4 of an inch
1/16 of an inch
A primary barrier needs to be how thick when using lead?
a. 1/32 of an inch
b. 1/16 of an inch
c. 1/8 of an inch
d. 1/4 of an inch
1/16 of an inch
Which of the following has been established DL for occupational exposure of the extremities?
a. 5 rads/year
b. 15 rads/year
c. 50 rads/year
d. 500 rads/year
50 rads/year
Whole body - 5
Eyes - 15
Extremities - 50
Fetus - 0.5
