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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. 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
6 ft
stationary anode
grid cutoff
cathode filament
2. Bone infection - also known as spondylitis
erythema
film cassette
osteomyelitis
x-rays
3. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
false
caudal border of scapula
screen film
anode
4. 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
intussusception
rotating anode
phosphor layer dyes
radiograph
5. The tendency of a luminescent compound to continue to give off light after x-radiation has stopped
the higher the mA
inversely proportional
afterglow
erythema
6. Refers to the 'blackness' of a radiograph
collimator
kVp
density
screens (phosphor layer)
7. NYSVMS Facility Accreditation Standards
electrons
milliamperage
NYS Public Health Law #225
2.5
8. The type of collimator that we have here
the higher the mA
non-screen
adjustable lead shutters
3cc/#
9. Longer wavelengths of electromagnetic radiation have more penetrating power
quantum mottle
grid cutoff
grid cutoff
false
10. Amount of radiation a person can recieve in a calendar year
6 ft
Maximum Permissible Dose
rare earth elements
somatic damage
11. AgBr + x-rays =
higher mA
light source
non-screen film
density
12. Outer layer of disk ( dries out and cracks and causes disk to herniate)
anode
annulus fibrosis
fixer
radiograph
13. Extra pain is also called
6 ft
SOP
fast film
hyperesthesia
14. If perforation is suspected - what compound do we use when radiographing
reflective layer
iodine
diskospondylitis
5
15. The focused grid is upside down - is one reason for
contrast
grid cutoff
nucleus pulposis
non-screen
16. This number in santes' rule refers to the distance the x-ray tube is from the x-ray film
lens
0.5mm
40
metallic silver
17. What is the term for an unknown cause
idiopathic
first trimester
rapidly dividing
abnormalities
18. A clear protective layer on radiographic film
non-screen
genetic and somatic
supercoat
calcium tungstate
19. These crystals will turn white/clear when processing film
reflective layer
osteomyelitis
unexposed AgBr
no contrast
20. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
metallic silver
x-rays
nucleus pulposis
scatter radiation
21. The 2 types of collimators are
lead cone and adjustable lead shutters
non-screen
2
luxations
22. Rotating anode
high contrast
rapidly dividing
decrease scatter radiation
spondylosis
23. Has a filament made of tungsten - due to the high melting point
kVp or mAs
cassette
adjustable lead shutters
cathode and anode
24. What is the difference between fluoroscopy and a regular radiograph
phosphor type
screen film
electrons
white and black are reversed
25. Screen speed is.....to the exposure required to cause it to flouresce
light source
kVp
inversely proportional
wobblers syndrome
26. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements
non-screen
silver halide
decrease scatter radiation
annulus fibrosis
27. What type of film has the x-rays directly cause the latent image to be formed
line focus principle
non-screen
inversely proportional
alopecia
28. What type of bone tumors started in the location they were first found
primary
screen film
grid cutoff
indirect relationship
29. We should always try and stay How many feet from our x-ray machine
slow film
stationary anode
6 ft
fast
30. Loss of movement in legs (front and/or back)
direct relationship
grid
screen film
paralysis
31. Calcium 'bridges' between adjacent vertebrae
spondylosis
rotating anode
screens (phosphor layer)
speed
32. Old mAs x (new FFD)2 divided by (old FFD)2
slow
inverse square law
4 ft
inversely proportional
33. What type of bone tumors started elsewhere and spread to the location it was found
10
aluminum
secondary
stationary anode
34. These screens are high speed - they decrease exposure - poorer detail - able to penetrate thicker areas
back scatter
10 cm
fast
false
35. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
pneumocystogram
screens (phosphor layer)
dosimeter
heel effect
36. Negative contrast agents appear what color on a radiograph
black
kVp
latent image
screens (phosphor layer)
37. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
film cassette
electrons
radiograph
fluoroscopy
38. This is inversely proportional to screen speed
radiographic detail
increase scatter
fluoroscopy
kVp
39. For bladder cystography - we use what contrast material instead of barium
mAs
5
hypaque
abnormalities
40. They don't move - they're found in dental units and portable units - cannot withstand the heat produced from large units
stationary anode
afterglow
double mAs
x-rays
41. The layer of the film where the action occurs
increase scatter
genetic damage
AgBr
fixer
42. What is the term for a negative contrast cystogram where we inject air
intensifying screens
pneumocystogram
more light
erythema
43. Pigments tend to decrease the lateral spread of light so there is increased detail
phosphor layer dyes
true
paresis
6 ft
44. Is the source of electrons
decrease scatter radiation
fast film
scatter radiation
cathode
45. If there's no object in the way of an x-ray - the picture would be
black
0.5mm
nucleus pulposis
spondylosis
46. Safe Operating Procedures
fast film
visible light
indirect relationship
SOP
47. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
screens (phosphor layer)
contrast
kVp
screen film
48. Is to the right - it produces the electrons
quantum mottle
cathode
true
black
49. This stage of pregnancy is the most dangerous for the fetus
osteomyelitis
screen film
first trimester
medium or par
50. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
somatic damage
annulus fibrosis
15% rule for kVp
movement