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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. Grid helps reduce the amount of......
luxations
wide latitude film
scatter radiation
santes' rule
2. Measures the power of penetrability (quality) of the x-rays produced
cathode
medium or par
black
kVp
3. Another result of the 20 degree angling
grid focus
whiter
heel effect
decrease scatter radiation
4. On a lateral view of the chest the aorta is dorsal to the caudal vena cava
true
film cassette
direct relationship
slow
5. When doing a lateral radiograph of the thorax/chest - the x-ray beam should be centered over what specific anatomical landmark
film cassette
caudal border of scapula
electrons
increase scatter
6. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
screens (phosphor layer)
phosphor type
thoracic(caudal) and lumbar
joint mouse
7. To double the density
true
double mAs
secondary
15 cm
8. What type of bone tumors started in the location they were first found
primary
radiograph
NYS Public Health Law #225
lead cone and adjustable lead shutters
9. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
non-screen
screen film
somatic damage
latent image
10. NYSVMS Facility Accreditation Standards
false
direct relationship
NYS Public Health Law #225
x-rays
11. Film with: high detail - minimal graininess - increased exposure
grid focus
film cassette
15 cm
slow film
12. Between density and mAs
direct relationship
false
aluminum
metallic silver
13. What type of films need a lot more x-ray exposure and more time to expose them
3cc/#
peak kilovoltage
non-screen
5
14. Longer wavelengths of electromagnetic radiation have more penetrating power
14 x 17
3cc/#
screens (phosphor layer)
false
15. These screens are the most common type - they give good resolution with relatively low exposure
medium or par
cathode and anode
x-rays
SOP
16. If the grid is stationary - more lines that are finer are less apt to show up on a radiograph - this is called....
rare earth elements
lines per centimeter
true
pneumocystogram
17. As this increases - the intensity of the x-ray beam decreases - so the beam intensity increases - and the mAs must decrease to compensate
film cassette
FFD
true
wide latitude film
18. Is on the anode and is angled at approximately 20 degrees from vertical
afterglow
genetic and somatic
focal spot
heel effect
19. What are the 2 types of anodes
paresis
stationary and rotating
phosphor layer
calcium tungstate
20. Extra pain is also called
hyperesthesia
pneumocystogram
double mAs
inverse square law
21. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
x-rays
annulus fibrosis
AgBr
milliamperage
22. What spinal problem do doberman's get
cathode
wobblers syndrome
white and black are reversed
screens (phosphor layer)
23. Lead equivalent for apron
true
0.25mm
10 cm
no contrast
24. We are supposed to use a grid if the abdomen is greater than or equal to......
rare earth elements
10 cm
collimator
grid cutoff
25. These screens have increased definition/detail - need to have increased radiation exposure
15 cm
cathode and anode
slow
2
26. These cells are the most sensitive to radiation
metallic silver
rapidly dividing
latent image
more x-rays produced
27. Areas on film that should be black but come out grey - due to storage
fogging
density
stationary anode
40
28. Has a negative charge
cathode
rapidly dividing
genetic and somatic
non-screen
29. This stage of pregnancy is the most dangerous for the fetus
grid cutoff
first trimester
stationary and rotating
slow film
30. If the thorax is greater than or equal to....you should use a grid
FFD
increase scatter
15 cm
focal spot
31. 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
white and black are reversed
0.5mm
hypaque
32. AgBr + x-rays =
non-screen film
grid cutoff
false
true
33. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
grid cutoff
diskospondylitis
luxations
false
34. The layer of the film where the action occurs
false
indirect relationship
x-rays
AgBr
35. DJD is also called
non-screen film
arthritis
long scale of contrast
grid cutoff
36. With this procedure - no x-ray film is involved at all
grid cutoff
fluoroscopy
intussusception
non-screen
37. Positive contrast agents appear what color on a radiograph
spondylosis
white
fixer
SOP
38. Between density and kVp
non-screen
indirect relationship
mAs
0.5mm
39. This is inversely proportional to screen speed
hypaque
long scale of contrast
6 ft
radiographic detail
40. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton
diskospondylitis
reflective layer
slow film
false
41. Is the measurement for the maximum energy available at that setting
fluoroscopy
focal spot
peak kilovoltage
long scale of contrast
42. What specific part of the eye is cloudy with a cataract
lens
screen film
focal spot
0.5mm
43. What type of cystogram uses air and hypaque
movement
x-rays
grid cutoff
double contrast
44. Refers to the 'blackness' of a radiograph
density
intensifying screens
alopecia
line focus principle
45. The effective focal spot is approximately 1/3 the size of the actual focal spot
true
grid cutoff
intensifying screens
joint mouse
46. Has a filament made of tungsten - due to the high melting point
slow
NYS Public Health Law #225
cathode and anode
inverse square law
47. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?
sensitive cells
mAs
wobblers syndrome
long scale of contrast
48. The tendency of a luminescent compound to continue to give off light after x-radiation has stopped
white and black are reversed
contrast
intensifying screens
afterglow
49. What is the term for the spotty appearance on the film due to the large crystals in the screens
quantum mottle
grid cutoff
white and black are reversed
non-screen film
50. 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
phosphor layer
4 ft
cathode filament
intensifying screens