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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. What type of films need a lot more x-ray exposure and more time to expose them
non-screen
contrast
x-rays
false
2. An abdominal radiograph should be taken at the peak of expiration
true
fixer
mAs
double contrast
3. Is the most common artifact in radiography
anode
long scale of contrast
movement
aluminum
4. What needs to have high levels of x-ray absorbtion
kVp
screens (phosphor layer)
non-screen
white and black are reversed
5. MAs for extremities
scatter radiation
more light
line focus principle
5
6. Amount of radiation a person can recieve in a calendar year
screens (phosphor layer)
abnormalities
Maximum Permissible Dose
false
7. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
2
anode
medium or par
screen film
8. Is to the left - electrons bounce off it at a 20 degree angle
non-screen
anode
arthritis
mAs
9. Within the collimator outlines just how much is collimated
alopecia
kVp
light source
false
10. Has a positive charge
cathode filament
supercoat
more light
anode
11. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
sensitive cells
x-rays
pneumocystogram
higher mA
12. Gelatinous center of disk - pinches spinal cord to cause herniated disk
visible light
dosimeter
nucleus pulposis
genetic damage
13. If the kVp is too low
anode
silver halide
lead cone and adjustable lead shutters
no contrast
14. Is the measurement for the maximum energy available at that setting
peak kilovoltage
metallic silver
black
supercoat
15. MAs for bone views (pelvis - skull - spine) 2x =?
focal spot
1/30
heel effect
10
16. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
white
latent image
15% rule for kVp
lens
17. What type of film has the x-rays directly cause the latent image to be formed
SOP
fogging
cathode
non-screen
18. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
cassette
grid focus
focal spot
fluoroscopy
19. Radiograph of a dogs skeleton has a long scale of contrast
false
15
grid cutoff
electrons
20. X-ray machines come with a set one - we cannot adjust it
decrease scatter radiation
focal spot
genetic and somatic
increase density
21. Increase developing time and temp of developing fluid
increase density
diskospondylitis
back scatter
non-screen
22. Increased crystal size.....
potter-bucky diagram
lines per centimeter
more light
AgBr
23. Faster screens/less detail; slower screens/more detail
large crystals - small crystals
secondary
kVp or mAs
movement
24. Another result of the 20 degree angling
reflective layer
inverse square law
alopecia
heel effect
25. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
non-screen
medium or par
joint mouse
phosphor type
26. A type of electromagnetic radiation which have a shorter wavelength than visible light
stationary and rotating
film cassette
x-rays
fluoroscopy
27. These crystals will turn white/clear when processing film
whiter
unexposed AgBr
latent image
mAs
28. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
no contrast
silver halide
density
the higher the mA
29. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad
genetic damage
x-rays
double contrast
paresis
30. What spinal problem do doberman's get
back scatter
wobblers syndrome
focused and unfocused or parallel
intensifying screens
31. White against black - like the x-ray of a plain skeleton
2
mAs
iodine
short scale of contrast
32. X-ray gloves have to have....of lead equivalent
0.5mm
true
Maximum Permissible Dose
false
33. What are the 2 types of anodes
cassette
radiographic detail
focal spot
stationary and rotating
34. If the kVp is too high
kVp
black
increase scatter
rapidly dividing
35. AgBr + x-rays =
radiograph
non-screen film
quantum mottle
secondary
36. Measures the power of penetrability (quality) of the x-rays produced
wobblers syndrome
unexposed AgBr
grid cutoff
kVp
37. What specific part of the eye is cloudy with a cataract
lens
large crystals - small crystals
screens (phosphor layer)
double contrast
38. Aluminum filter
luxations
decrease scatter radiation
slow
focal spot
39. Is on the anode and is angled at approximately 20 degrees from vertical
medium or par
focal spot
white
hypaque
40. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)
grid cutoff
scatter radiation
focal film distance
increase density
41. Types of cell damage
genetic and somatic
stationary and rotating
non-screen
black
42. Extra vertebrae - scoliosis - fused vertebrae are all examples of
2.5
abnormalities
decrease scatter radiation
false
43. What is the term for a negative contrast cystogram where we inject air
mAs
supercoat
screens (phosphor layer)
pneumocystogram
44. The 2 types of collimators are
false
contrast
lead cone and adjustable lead shutters
visible light
45. Redness of the skin
2.5
grid cutoff
erythema
fast film
46. If there's no object in the way of an x-ray - the picture would be
non-screen film
santes' rule
pneumocystogram
black
47. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals
sensitive cells
increase scatter
screen film
phosphor layer
48. Has a filament made of tungsten - due to the high melting point
cathode and anode
mAs
1/30
false
49. 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)
calcium tungstate
10
slow
true
50. Is the source of electrons
rapidly dividing
paralysis
cathode
kVp
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