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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. MAs for extremities
5
intensifying screens
stops peristalsis
no contrast
2. When processing film - the black areas are made of
inversely proportional
medium film
metallic silver
10 cm
3. These screens have increased definition/detail - need to have increased radiation exposure
thoracic(caudal) and lumbar
short scale of contrast
slow
false
4. Within the collimator outlines just how much is collimated
stationary and rotating
light source
scatter radiation
Maximum Permissible Dose
5. Between density and kVp
focal spot
false
grid focus
indirect relationship
6. Outer layer of disk ( dries out and cracks and causes disk to herniate)
14 x 17
annulus fibrosis
2
clinical signs
7. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
false
6 ft
spondylosis
screen film
8. AgBr + light =
decrease scatter radiation
x-rays
stationary and rotating
screen film
9. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
alopecia
stationary anode
thoracic(caudal) and lumbar
narrow latitude film
10. Has a filament made of tungsten - due to the high melting point
scatter radiation
cathode and anode
fast
non-screen
11. A...is a series of lead strips on edge which only allow the primary x-rays - which are traveling in straight lines - reach the film
grid
true
x-rays
long scale of contrast
12. What is the term for the spotty appearance on the film due to the large crystals in the screens
paralysis
non-screen film
quantum mottle
genetic and somatic
13. 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
visible light
thoracic(caudal) and lumbar
electrons
reflective layer
14. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
santes' rule
white
false
radiograph
15. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
intensifying screens
cathode
5
2
16. The focused grid is upside down - is one reason for
false
grid cutoff
first trimester
narrow latitude film
17. Hairloss or baldness
10 cm
black
alopecia
radiographic detail
18. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
false
intensifying screens
phosphor layer
heel effect
19. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
milliamperage
intussusception
latent image
clinical signs
20. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
calcium tungstate
potter-bucky diagram
thoracic(caudal) and lumbar
mAs
21. Dislocations or separations
focal spot
luxations
fixer
paresis
22. X-ray machines come with a set one - we cannot adjust it
screens (phosphor layer)
focal spot
silver halide
true
23. Extra pain is also called
whiter
milliamperage
hyperesthesia
14 x 17
24. For bladder cystography - we use what contrast material instead of barium
speed
hypaque
15
x-rays
25. Screens are classified according to
short scale of contrast
no contrast
osteomyelitis
speed
26. What are the 2 types of anodes
potter-bucky diagram
lines per centimeter
stationary and rotating
genetic and somatic
27. Extra vertebrae - scoliosis - fused vertebrae are all examples of
idiopathic
abnormalities
narrow latitude film
15 cm
28. Types of cell damage
slow
genetic and somatic
fixer
alopecia
29. These screens are the most common type - they give good resolution with relatively low exposure
10 cm
medium or par
osteomyelitis
mAs
30. Is on the anode and is angled at approximately 20 degrees from vertical
focal spot
true
reflective layer
non-screen
31. What type of bone tumors started in the location they were first found
primary
AgBr
direct relationship
somatic damage
32. Areas on film that should be black but come out grey - due to storage
0.25mm
fogging
alopecia
mAs
33. Is the density difference between 2 adjacent areas on a radiograph
contrast
white and black are reversed
false
slow
34. Types of grids
sensitive cells
unexposed AgBr
true
focused and unfocused or parallel
35. X-ray gloves have to have....of lead equivalent
0.5mm
grid focus
spondylosis
rapidly dividing
36. If barium leaks into the abdomen or lungs - it can cause what
inflammation an granuloma
increase scatter
rapidly dividing
cathode
37. Calcium tungstate - rare earth elements
phosphor type
back scatter
film cassette
false
38. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
quantum mottle
silver halide
high contrast
15 cm
39. Film with: high detail - minimal graininess - increased exposure
calcium tungstate
slow film
high contrast
intensifying screens
40. Is determined by the ratio of the height of the lead strips to the distance between them
double mAs
0.5mm
grid efficiency
fluoroscopy
41. MAs for chest 1/2x =?
milliamperage
3cc/#
focal spot
2.5
42. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?
1/30
anode
reflective layer
non-screen film
43. Sheets of luminescent phorphor crystals on a cardboard or plastic base
intensifying screens
true
clinical signs
quantum mottle
44. Size film we use here
14 x 17
false
stationary anode
2.5
45. With what kind of typical film do we get 95% exposure due to visible light and 5% is due to the x-rays directly
0.5mm
thoracic(caudal) and lumbar
screen film
mAs
46. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
white
FFD
mAs
radiographic detail
47. Bone infection - also known as spondylitis
osteomyelitis
phosphor layer dyes
kVp
double contrast
48. Amount of radiation a person can recieve in a calendar year
black
Maximum Permissible Dose
cassette
joint mouse
49. Must be radiolucent
visible light
film cassette
fluoroscopy
screens (phosphor layer)
50. The smaller the focal spot
5
grid focus
decrease scatter radiation
the sharper the radiograph
Sorry!:) No result found.
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