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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 abdomen (standard mAs) x=?
calcium tungstate
5
40
hyperesthesia
2. 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
screens (phosphor layer)
rapidly dividing
rotating anode
1/30
3. Is the most common artifact in radiography
reflective layer
phosphor layer dyes
inverse square law
movement
4. What specific part of the eye is cloudy with a cataract
the higher the mA
lens
osteomyelitis
double mAs
5. What is one of the most common area of occurance for spinal problems (15% dobermans)
narrow latitude film
cervical
osteomyelitis
5
6. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
black
latent image
true
cathode
7. The smaller the focal spot
non-screen film
intensifying screens
the sharper the radiograph
x-rays
8. Calcium 'bridges' between adjacent vertebrae
true
spondylosis
AgBr
arthritis
9. Longer wavelengths of electromagnetic radiation have more penetrating power
nucleus pulposis
alopecia
false
rotating anode
10. Has a positive charge
anode
5
x-rays
scatter radiation
11. Give a 25% barium solution for upper GI series - and give At what dose?
3cc/#
inversely proportional
15
10 cm
12. What is the term for a negative contrast cystogram where we inject air
pneumocystogram
radiographic detail
clinical signs
3cc/#
13. Extra pain is also called
screens (phosphor layer)
hyperesthesia
anode
1/30
14. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
joint mouse
black
non-screen
genetic damage
15. MAs for bone views (pelvis - skull - spine) 2x =?
back scatter
density
increase density
10
16. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
heel effect
screens (phosphor layer)
anode
afterglow
17. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
somatic damage
non-screen film
rare earth elements
spondylosis
18. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
intensifying screens
arthritis
caudal border of scapula
slow
19. Must be radiolucent
intensifying screens
film cassette
long scale of contrast
direct relationship
20. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used
grid cutoff
radiograph
screens (phosphor layer)
grid cutoff
21. For bladder cystography - we use what contrast material instead of barium
false
hypaque
10
non-screen
22. They don't move - they're found in dental units and portable units - cannot withstand the heat produced from large units
scatter radiation
stationary anode
contrast
grid cutoff
23. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton
14 x 17
somatic damage
false
silver halide
24. Has a filament made of tungsten - due to the high melting point
2
15 cm
cathode and anode
rotating anode
25. What spinal problem do doberman's get
wobblers syndrome
grid efficiency
focal spot
15% rule for kVp
26. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
collimator
aluminum
nucleus pulposis
non-screen
27. A type of electromagnetic radiation which have a shorter wavelength than visible light
alopecia
cathode
x-rays
kVp or mAs
28. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
paresis
collimator
silver halide
somatic damage
29. Incorrect grid focus is one reason for
grid cutoff
lens
secondary
screens (phosphor layer)
30. Dislocations or separations
higher mA
false
luxations
supercoat
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)
electrons
2
calcium tungstate
mAs
32. An abdominal radiograph should be taken at the peak of expiration
hypaque
supercoat
6 ft
true
33. Less forgiving - high contrast - cannot tolerate changes in exposure or processing
potter-bucky diagram
back scatter
narrow latitude film
quantum mottle
34. These screens have increased definition/detail - need to have increased radiation exposure
slow
scatter radiation
supercoat
santes' rule
35. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
intussusception
pneumocystogram
false
15
36. Hairloss or baldness
alopecia
true
3cc/#
latent image
37. What type of cystogram uses air and hypaque
speed
double contrast
metallic silver
decrease scatter radiation
38. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
2.5
unexposed AgBr
rapidly dividing
2
39. The efficiency of this reflects light made by phosphors back towards the film
somatic damage
reflective layer
nucleus pulposis
2
40. What type of films need a lot more x-ray exposure and more time to expose them
non-screen
lines per centimeter
3cc/#
screens (phosphor layer)
41. Weakness
anode
paresis
inversely proportional
phosphor type
42. With the heel effect - more x-rays tend to be in the beam toward this end of the tube
thoracic(caudal) and lumbar
NYS Public Health Law #225
medium or par
cathode
43. Increased crystal size.....
focal spot
more light
false
wide latitude film
44. If the grid is stationary - more lines that are finer are less apt to show up on a radiograph - this is called....
SOP
pneumocystogram
cathode
lines per centimeter
45. This is used to take 'real-time' radiographs - used a lot in horses
fluoroscopy
movement
silver halide
focal spot
46. Film with: high detail - minimal graininess - increased exposure
collimator
slow film
fluoroscopy
5
47. Faster screens/less detail; slower screens/more detail
large crystals - small crystals
intensifying screens
non-screen film
cathode
48. Is the source of electrons
potter-bucky diagram
electrons
highest mA and smallest time fraction
cathode
49. AgBr + x-rays =
15
slow
non-screen film
stops peristalsis
50. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?
false
sensitive cells
fogging
arthritis