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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. Longer wavelengths of electromagnetic radiation have more penetrating power
heel effect
false
fogging
phosphor type
2. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
phosphor type
electrons
whiter
thoracic(caudal) and lumbar
3. When a body part is greater than or equal to.....you should use a grid
10 cm
slow film
spondylosis
Maximum Permissible Dose
4. Outer layer of disk ( dries out and cracks and causes disk to herniate)
reflective layer
4 ft
annulus fibrosis
increase density
5. If there's bone in the way of an x-ray -. those parts would be
whiter
more light
santes' rule
mAs
6. With the heel effect - more x-rays tend to be produced toward the cathode end
true
cathode
light source
wide latitude film
7. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?
non-screen
dosimeter
sensitive cells
screens (phosphor layer)
8. This is used to take 'real-time' radiographs - used a lot in horses
fluoroscopy
alopecia
2
heel effect
9. Rotating anode
decrease scatter radiation
15
pneumocystogram
aluminum
10. Lead equivalent for apron
line focus principle
radiographic detail
0.25mm
2
11. This number in santes' rule refers to the distance the x-ray tube is from the x-ray film
inflammation an granuloma
40
radiographic detail
0.5mm
12. The effective focal spot is approximately 1/3 the size of the actual focal spot
higher mA
true
nucleus pulposis
caudal border of scapula
13. Size film we use here
cassette
movement
14 x 17
luxations
14. Means more electrons will be released from the filament and directed at the anode
cervical
potter-bucky diagram
higher mA
intensifying screens
15. Amount of radiation a person can recieve in a calendar year
increase density
true
rapidly dividing
Maximum Permissible Dose
16. Another result of the 20 degree angling
phosphor layer dyes
heel effect
pneumocystogram
black
17. If there's far or muscle in the way of an x-ray - those parts would be
grey
true
nucleus pulposis
calcium tungstate
18. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
reflective layer
potter-bucky diagram
adjustable lead shutters
rapidly dividing
19. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)
non-screen film
cassette
osteomyelitis
focal film distance
20. The x-ray machine we've been using has a rotating anode
alopecia
screens (phosphor layer)
true
increase density
21. NYSVMS Facility Accreditation Standards
first trimester
x-rays
NYS Public Health Law #225
more x-rays produced
22. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
latent image
focused and unfocused or parallel
short scale of contrast
fluoroscopy
23. Is the electrical current that heats the filament
false
phosphor layer dyes
increase density
milliamperage
24. Lung tissue appears black (radiolucent) on a radiograph
grid focus
true
0.5mm
5
25. Within the collimator outlines just how much is collimated
more x-rays produced
radiographic detail
light source
radiograph
26. Is located in a focusing cup made of molybdenum which has a high melting point and helps to direct the electrons produced toward the cathode
black
cathode filament
15
false
27. Crystals + x-rays = ?
screens (phosphor layer)
visible light
potter-bucky diagram
anode
28. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
supercoat
1/30
silver halide
alopecia
29. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
intussusception
rapidly dividing
focal spot
cathode
30. Is determined by the ratio of the height of the lead strips to the distance between them
4 ft
cathode filament
unexposed AgBr
grid efficiency
31. Between density and mAs
fast
mAs
direct relationship
double contrast
32. Extra pain is also called
phosphor layer dyes
mAs
hyperesthesia
anode
33. This stage of pregnancy is the most dangerous for the fetus
the sharper the radiograph
paralysis
stationary and rotating
first trimester
34. Increase what value to penetrate thick body parts
false
unexposed AgBr
kVp
mAs
35. What type of bone tumors started in the location they were first found
10 cm
primary
true
adjustable lead shutters
36. The shorter the wavelength of the x-ray - the more powerful the x-ray is
focal spot
true
phosphor layer dyes
milliamperage
37. Must be radiolucent
4 ft
luxations
fixer
film cassette
38. The electrical current sent through the filament to cause this electron release is called
radiograph
milliamperage
kVp or mAs
peak kilovoltage
39. If the kVp is increased by 15% - the density is doubled
false
15% rule for kVp
focal spot
5
40. Does move - has disks that rotate at high speeds - this helps spread out the heat that's produced as the electrons hit the focal spot
secondary
anode
more x-rays produced
rotating anode
41. Calcium 'bridges' between adjacent vertebrae
pneumocystogram
spondylosis
false
fluoroscopy
42. In which processing solution do unionized (green) AgBr crystals get removed from the film
fogging
non-screen film
fixer
increase scatter
43. DJD is also called
3cc/#
arthritis
2
focal film distance
44. General purpose film - forgiving
genetic damage
secondary
fast
wide latitude film
45. What must have little or no 'afterglow'
screens (phosphor layer)
diskospondylitis
AgBr
luxations
46. Sheets of luminescent phorphor crystals on a cardboard or plastic base
no contrast
osteomyelitis
reflective layer
intensifying screens
47. These cells are the most sensitive to radiation
movement
joint mouse
rapidly dividing
0.5mm
48. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?
joint mouse
1/30
peak kilovoltage
stops peristalsis
49. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc
focal spot
false
aluminum
clinical signs
50. Film with: high detail - minimal graininess - increased exposure
slow film
false
cathode
fluoroscopy