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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. Film with: ultra speed - grainier image - less exposure needed
false
visible light
fast film
focal spot
2. This gives you the desired mAs - and it gives less time for your patient to move
0.5mm
collimator
highest mA and smallest time fraction
increase density
3. Is to the right - it produces the electrons
quantum mottle
cathode
the higher the mA
unexposed AgBr
4. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
true
contrast
phosphor layer
mAs
5. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?
speed
1/30
AgBr
lead cone and adjustable lead shutters
6. What are the 2 types of anodes
stationary and rotating
medium film
true
screens (phosphor layer)
7. Is only 1/3 the size of the actual focal spot
adjustable lead shutters
secondary
kVp
effective focal spot
8. Most commonly used film - compromise between graininess and speed (detail)
intussusception
nucleus pulposis
medium film
arthritis
9. Is the measurement for the maximum energy available at that setting
peak kilovoltage
calcium tungstate
long scale of contrast
reflective layer
10. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
arthritis
first trimester
focal spot
intensifying screens
11. What is the term for an unknown cause
inversely proportional
0.5mm
14 x 17
idiopathic
12. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)
heel effect
focal film distance
afterglow
fast film
13. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
x-rays
kVp
medium or par
cathode
14. The efficiency of this reflects light made by phosphors back towards the film
false
no contrast
SOP
reflective layer
15. X-ray gloves have to have....of lead equivalent
15
increase density
0.5mm
line focus principle
16. KVp=(2x thickness of body part in cm) + 40
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17. Redness of the skin
mAs
2
erythema
10
18. To double the density
osteomyelitis
indirect relationship
reflective layer
double mAs
19. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)
caudal border of scapula
narrow latitude film
kVp or mAs
fixer
20. The smaller the focal spot
the sharper the radiograph
non-screen film
narrow latitude film
decrease scatter radiation
21. In which processing solution do unionized (green) AgBr crystals get removed from the film
spondylosis
more x-rays produced
anode
fixer
22. What type of cystogram uses air and hypaque
inflammation an granuloma
no contrast
double contrast
true
23. If the kVp is increased by 15% - the density is doubled
effective focal spot
15% rule for kVp
grid
focal spot
24. What type of bone tumors started in the location they were first found
10 cm
cathode filament
primary
focal spot
25. The back of the cassette is made of lead to decrease....
back scatter
mAs
diskospondylitis
FFD
26. A living animal - with tissue densities such as fat - muscle - fluid - and air
reflective layer
false
screen film
long scale of contrast
27. Calcium 'bridges' between adjacent vertebrae
fast film
scatter radiation
spondylosis
luxations
28. Screen speed is.....to the exposure required to cause it to flouresce
inversely proportional
alopecia
movement
hyperesthesia
29. Is the density difference between 2 adjacent areas on a radiograph
pneumocystogram
contrast
fogging
10 cm
30. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
fast
latent image
decrease scatter radiation
erythema
31. Is the electrical current that heats the filament
intensifying screens
wide latitude film
radiographic detail
milliamperage
32. Is to the left - electrons bounce off it at a 20 degree angle
calcium tungstate
anode
fluoroscopy
false
33. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
electrons
luxations
decrease scatter radiation
white
34. When a body part is greater than or equal to.....you should use a grid
10 cm
focal film distance
highest mA and smallest time fraction
anode
35. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
sensitive cells
double mAs
lead cone and adjustable lead shutters
joint mouse
36. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
density
true
cathode
thoracic(caudal) and lumbar
37. This stage of pregnancy is the most dangerous for the fetus
true
first trimester
true
kVp or mAs
38. The electrical current sent through the filament to cause this electron release is called
milliamperage
2
fluoroscopy
inverse square law
39. Film with: high detail - minimal graininess - increased exposure
slow film
2
direct relationship
true
40. The mAs has to do with the power of the x-rays produced
slow
false
nucleus pulposis
increase density
41. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
mAs
screen film
latent image
cassette
42. Increase developing time and temp of developing fluid
highest mA and smallest time fraction
radiographic detail
increase density
medium film
43. If the kVp is too high
stationary anode
increase scatter
collimator
idiopathic
44. If barium leaks into the abdomen or lungs - it can cause what
inflammation an granuloma
hyperesthesia
wobblers syndrome
unexposed AgBr
45. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
increase scatter
luxations
somatic damage
screens (phosphor layer)
46. Dislocations or separations
0.5mm
luxations
sensitive cells
fast film
47. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
decrease scatter radiation
radiograph
abnormalities
alopecia
48. Lung tissue appears black (radiolucent) on a radiograph
focal spot
true
15% rule for kVp
AgBr
49. If there's no object in the way of an x-ray - the picture would be
peak kilovoltage
false
milliamperage
black
50. What type of film has no screens or film cassettes
density
rotating anode
non-screen
silver halide
Sorry!:) No result found.
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