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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. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
latent image
contrast
black
annulus fibrosis
2. What specific part of the eye is cloudy with a cataract
white and black are reversed
lens
x-rays
alopecia
3. Faster screens/less detail; slower screens/more detail
medium film
large crystals - small crystals
increase density
white
4. If perforation is suspected - what compound do we use when radiographing
grid cutoff
iodine
scatter radiation
non-screen
5. The layer of the film where the action occurs
fogging
heel effect
focal film distance
AgBr
6. Types of cell damage
latent image
true
screen film
genetic and somatic
7. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
heel effect
non-screen film
adjustable lead shutters
electrons
8. If there's far or muscle in the way of an x-ray - those parts would be
medium film
grey
cassette
wide latitude film
9. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
somatic damage
rotating anode
medium film
inflammation an granuloma
10. What spinal problem do doberman's get
wobblers syndrome
Maximum Permissible Dose
increase density
NYS Public Health Law #225
11. Is determined by the ratio of the height of the lead strips to the distance between them
grid efficiency
narrow latitude film
cathode
false
12. 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
non-screen film
electrons
speed
screen film
13. With the heel effect - more x-rays tend to be produced toward the cathode end
grid cutoff
cathode
true
calcium tungstate
14. Infection of a disk - or bone near it
inverse square law
lines per centimeter
diskospondylitis
FFD
15. When more electrons hit the focal spot on the anode
abnormalities
grey
more x-rays produced
inversely proportional
16. Increased crystal size.....
hypaque
14 x 17
more light
kVp
17. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
cassette
2.5
rare earth elements
x-rays
18. When the density difference is great - there is
high contrast
focal spot
quantum mottle
grid cutoff
19. Increase mAs and kVp in order to...
false
increase density
intensifying screens
fast film
20. General purpose film - forgiving
false
15 cm
wide latitude film
electrons
21. We should always try and stay How many feet from our x-ray machine
medium or par
narrow latitude film
6 ft
15 cm
22. Give a 25% barium solution for upper GI series - and give At what dose?
mAs
3cc/#
cathode
fixer
23. Longer wavelengths of electromagnetic radiation have more penetrating power
false
focused and unfocused or parallel
screen film
x-rays
24. For bladder cystography - we use what contrast material instead of barium
thoracic(caudal) and lumbar
no contrast
hypaque
black
25. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
1/30
collimator
slow film
pneumocystogram
26. Film that is more sensitive to ionizing radiation than to fluorescent light
anode
non-screen film
grid cutoff
alopecia
27. When doing a lateral radiograph of the thorax/chest - the x-ray beam should be centered over what specific anatomical landmark
caudal border of scapula
contrast
screens (phosphor layer)
10 cm
28. What type of bone tumors started in the location they were first found
primary
kVp
rapidly dividing
aluminum
29. Calcium tungstate - rare earth elements
silver halide
alopecia
phosphor type
reflective layer
30. Incorrect grid focus is one reason for
first trimester
reflective layer
paresis
grid cutoff
31. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad
genetic damage
screens (phosphor layer)
collimator
joint mouse
32. MAs for abdomen (standard mAs) x=?
cassette
5
fluoroscopy
grid focus
33. The smaller the focal spot
the sharper the radiograph
genetic damage
x-rays
4 ft
34. If the kVp is increased by 15% - the density is doubled
direct relationship
hyperesthesia
15% rule for kVp
6 ft
35. MAs for extremities
metallic silver
focal spot
5
intensifying screens
36. This number in santes' rule refers to the distance the x-ray tube is from the x-ray film
phosphor layer
cathode filament
40
santes' rule
37. If there's no object in the way of an x-ray - the picture would be
black
phosphor type
film cassette
supercoat
38. If the thorax is greater than or equal to....you should use a grid
screens (phosphor layer)
annulus fibrosis
non-screen
15 cm
39. AgBr + light =
screen film
medium film
1/30
grid efficiency
40. A clear protective layer on radiographic film
cassette
stationary anode
electrons
supercoat
41. MAs for ANY part - when using a grid 3x= ?
adjustable lead shutters
iodine
focal spot
15
42. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
hypaque
dosimeter
clinical signs
potter-bucky diagram
43. What type of film gives more detailed radiographs but more exposure to everyone involved? (commonly used as dental film - or for extremities)
alopecia
non-screen
silver halide
15
44. Redness of the skin
erythema
cathode
true
false
45. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
afterglow
SOP
latent image
narrow latitude film
46. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
fast film
x-rays
screens (phosphor layer)
higher mA
47. With this procedure - no x-ray film is involved at all
scatter radiation
false
10
fluoroscopy
48. Means more electrons will be released from the filament and directed at the anode
higher mA
paralysis
x-rays
6 ft
49. There are......intensifying screens within a cassette
15 cm
lines per centimeter
2
14 x 17
50. Between density and mAs
direct relationship
heel effect
inflammation an granuloma
40