Rad 3 Exams Test 3 Flashcards
The sheet of lead in a cassette serves what purpose?
a. to filer the beam
b. to protect the patient
c. to act as a reflective layer
d. to prevent back scatter
to prevent back scatter
Using an “extremity” cassette will have which effect?
a. it will decrease patient exposure
b. it will increase patient exposure
c. it will decrease exposure time
d. it will increase mottle
it will increase patient exposure
If your cassette was incompletely closed, what would the film probably look like?
a. it would have branching black lines
b. it would have a white strip at the edge
c. it would have branching white lines
d. it would have a black strip at the edge
it would have a black strip at the edge
What exists on a film after you have exposed the patient but before processing it?
a. a light image
b. a latent image
c. a dark image
d. a well exposed image
a latent image
Too high of a kV will have which effect on the film?
a. quantum mottle
b. high contrast
c. blurry images
d. increased penumbra
quantum mottle
too HIGH kV, too LOW mAs, too FEW photons
Which of the following is the reason why many recommend that you NOT use an extremity screen system in an office that performs mainly spine films?
a. the extremity film is too expensive
b. the extremity film will demonstrate more unsharpness
c. the extremity film increases the radiation to the patient
d. the extremity film may get mixed with the spine cassettes and require retakes
the extremity film may get mixed with the spine cassettes and require retakes
Which of the following is a problem when storing x-ray films flat instead of upright?
a. fogging
b. light leak
c. static electricity
d. pressure marks
pressure marks
About how often should you clean intensifying screens?
a. 3 months
b. 1 year
c. 10 years
d. whenever they get dirty
3 months
How would your processed film appear if you decreased the recommended developing time and maintained the recommended temperature?
a. it would have a green tint
b. it will be too light
c. it will be too dark
d. it will have brown stains
it will be too light
What is the usual recommended optimal developing temperature for manual processing?
a. 98 degrees
b. 90 degrees
c. 68 degrees
d. 60 degrees
68 degrees
In which phase of processing does the latent image become the manifest image?
a. developing
b. rinsing
c. fixing
d. drying
developing
A high intensity lamp is usually used for which of the following?
a. to allow for greater versatility in the x-ray technique
b. to better see under-exposed areas on a film
c. to better see over-exposed areas on a film
d. to see through a very thin patient
e. to better see the entire film
to better see the over-exposed areas on the film
Which of the following is the proper arrangement of the five subject densities seen on the radiograph from MOST dense to LEAST dense?
a. water, oil, heavy metal, metal, air
b. air, oil, water, metal, heavy metal
c. heavy metal, metal, water, oil, air
d. metal, oil, air, water, heavy metal
heavy metal, metal, water, oil, air
Why are the renal shadows often seen on an A-P lumbar film?
a. due to contrast between water and air densities
b. due to contrast between metal and water densities
c. due to contrast between oil and water densities
d. due to contrast between air and oil densities
due to contrast between oil and water densities
The thickness of lead that is needed for primary and secondary protective barriers for an x-ray facility are used for which of the following?
a. 1/32 and 1/64
b. 1/16 and 1/32
c. 1/8 and 1/16
d. 1/4 and 1/8
1/16 and 1/32
