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Test your basic knowledge |
Radiology
Start Test
Study First
Subjects
:
health-sciences
,
radiology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Weakness
2.5
paresis
screen film
grid cutoff
2. White against black - like the x-ray of a plain skeleton
focused and unfocused or parallel
medium film
short scale of contrast
non-screen
3. In which processing solution do unionized (green) AgBr crystals get removed from the film
light source
true
fixer
focused and unfocused or parallel
4. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
2
kVp
SOP
40
5. MAs for bone views (pelvis - skull - spine) 2x =?
10
true
higher mA
grey
6. The efficiency of this reflects light made by phosphors back towards the film
hypaque
reflective layer
adjustable lead shutters
speed
7. A layer of intensifying screen that reflects the light from the phosphor layer toward the film
non-screen film
fluoroscopy
reflective layer
stationary anode
8. When a body part is greater than or equal to.....you should use a grid
false
screen film
10 cm
false
9. Film that is more sensitive to ionizing radiation than to fluorescent light
mAs
non-screen film
non-screen
cathode
10. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
screen film
primary
wide latitude film
cathode
11. The smaller the focal spot
fogging
sensitive cells
stops peristalsis
the sharper the radiograph
12. This stage of pregnancy is the most dangerous for the fetus
inflammation an granuloma
first trimester
fogging
screen film
13. A type of electromagnetic radiation which have a shorter wavelength than visible light
x-rays
no contrast
screens (phosphor layer)
10
14. Distance from the grid to the x-ray tube (36-40 inches)
grid focus
focal spot
lens
grid efficiency
15. Outer layer of disk ( dries out and cracks and causes disk to herniate)
decrease scatter radiation
film cassette
density
annulus fibrosis
16. We should always try and stay How many feet from our x-ray machine
6 ft
caudal border of scapula
highest mA and smallest time fraction
hyperesthesia
17. These crystals will turn white/clear when processing film
grid cutoff
kVp
unexposed AgBr
primary
18. These cells are the most sensitive to radiation
joint mouse
rapidly dividing
latent image
x-rays
19. Sheets of luminescent phorphor crystals on a cardboard or plastic base
mAs
black
fluoroscopy
intensifying screens
20. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
increase density
5
silver halide
focal spot
21. To double the density
increase density
fast film
focal spot
double mAs
22. If there's bone in the way of an x-ray -. those parts would be
true
whiter
pneumocystogram
abnormalities
23. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad
focal spot
density
10 cm
genetic damage
24. Increased crystal size.....
15% rule for kVp
more light
back scatter
potter-bucky diagram
25. What specific part of the eye is cloudy with a cataract
grid focus
whiter
lens
non-screen
26. Radiograph of a dogs skeleton has a long scale of contrast
metallic silver
false
afterglow
latent image
27. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
6 ft
1/30
false
kVp
28. What is the term for the spotty appearance on the film due to the large crystals in the screens
intensifying screens
0.5mm
reflective layer
quantum mottle
29. Less forgiving - high contrast - cannot tolerate changes in exposure or processing
diskospondylitis
fluoroscopy
scatter radiation
narrow latitude film
30. What is the term for a negative contrast cystogram where we inject air
cathode
cervical
grid
pneumocystogram
31. When this is exposed to x-rays - it will absorb photons (quanta) and give off photons of visible light which the film is sensitive to (give off blue light)
somatic damage
calcium tungstate
5
hyperesthesia
32. Dislocations or separations
inverse square law
luxations
increase density
electrons
33. Hairloss or baldness
inversely proportional
first trimester
alopecia
electrons
34. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
somatic damage
grid focus
grid cutoff
electrons
35. NYSVMS Facility Accreditation Standards
increase scatter
wobblers syndrome
NYS Public Health Law #225
back scatter
36. Grid helps reduce the amount of......
scatter radiation
density
screens (phosphor layer)
indirect relationship
37. Why do we not give atropine with a contrast radiograph
intensifying screens
intensifying screens
stops peristalsis
anode
38. The exact area of the anode that the electrons hit
5
film cassette
focal spot
rotating anode
39. MAs for abdomen (standard mAs) x=?
latent image
double mAs
5
heel effect
40. Is on the anode and is angled at approximately 20 degrees from vertical
focal spot
black
non-screen film
0.25mm
41. When.....collide with the anode - 99% of energy is released in the form of heat - and 1% of energy is in the form of x-rays
stationary anode
grey
sensitive cells
electrons
42. Loss of movement in legs (front and/or back)
highest mA and smallest time fraction
decrease scatter radiation
0.5mm
paralysis
43. Film with: high detail - minimal graininess - increased exposure
slow film
arthritis
grid cutoff
reflective layer
44. The layer of the film where the action occurs
increase density
AgBr
secondary
focal spot
45. The mAs has to do with the power of the x-rays produced
latent image
false
line focus principle
40
46. Lead equivalent for thyroid sheild
false
x-rays
0.5mm
nucleus pulposis
47. Size film we use here
santes' rule
14 x 17
potter-bucky diagram
non-screen
48. Radiographic signs dont always agree with what
fluoroscopy
clinical signs
white
true
49. Within the collimator outlines just how much is collimated
inverse square law
light source
wide latitude film
screens (phosphor layer)
50. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
aluminum
potter-bucky diagram
non-screen
black