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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. What needs to have high levels of x-ray absorbtion
screens (phosphor layer)
visible light
inflammation an granuloma
higher mA
2. What spinal problem do doberman's get
wobblers syndrome
intensifying screens
medium film
collimator
3. Rotating anode
2.5
annulus fibrosis
clinical signs
decrease scatter radiation
4. The greater the number of electrons released
wobblers syndrome
joint mouse
the higher the mA
cathode
5. Film with: high detail - minimal graininess - increased exposure
slow film
the sharper the radiograph
grid cutoff
grey
6. What type of bone tumors started elsewhere and spread to the location it was found
secondary
narrow latitude film
alopecia
black
7. 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
fast film
intensifying screens
cathode filament
grid
8. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
grid cutoff
2
clinical signs
double contrast
9. A grid must be used on the chest if it's 11cm thick
indirect relationship
wide latitude film
false
white
10. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative
latent image
screen film
somatic damage
lens
11. The focused grid is upside down - is one reason for
10 cm
grid cutoff
cathode
screens (phosphor layer)
12. General purpose film - forgiving
the sharper the radiograph
wide latitude film
fogging
afterglow
13. Lead equivalent for thyroid sheild
milliamperage
0.5mm
AgBr
10 cm
14. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used
hyperesthesia
cassette
screens (phosphor layer)
kVp
15. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
grid cutoff
heel effect
idiopathic
screen film
16. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
density
fixer
cathode
mAs
17. Increased crystal size.....
genetic damage
white
erythema
more light
18. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
silver halide
cassette
rare earth elements
rapidly dividing
19. With this procedure - no x-ray film is involved at all
secondary
fluoroscopy
Maximum Permissible Dose
reflective layer
20. Tilting of the tube or grid is one reason for
FFD
fluoroscopy
cathode
grid cutoff
21. If there's no object in the way of an x-ray - the picture would be
fluoroscopy
increase density
whiter
black
22. What is one of the most common area of occurance for spinal problems (15% dobermans)
2
screen film
dosimeter
cervical
23. Must be radiolucent
film cassette
nucleus pulposis
luxations
lens
24. 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
double contrast
long scale of contrast
electrons
joint mouse
25. Is on the anode and is angled at approximately 20 degrees from vertical
medium film
afterglow
iodine
focal spot
26. Increase what value to penetrate thick body parts
alopecia
kVp
radiograph
white
27. Weakness
double contrast
paresis
kVp
Maximum Permissible Dose
28. Has a positive charge
metallic silver
anode
secondary
10 cm
29. A...is a series of lead strips on edge which only allow the primary x-rays - which are traveling in straight lines - reach the film
phosphor layer
narrow latitude film
4 ft
grid
30. Calcium 'bridges' between adjacent vertebrae
electrons
screen film
spondylosis
grid cutoff
31. Bone infection - also known as spondylitis
milliamperage
paralysis
3cc/#
osteomyelitis
32. Outer layer of disk ( dries out and cracks and causes disk to herniate)
annulus fibrosis
paralysis
lines per centimeter
screen film
33. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton
somatic damage
false
white
true
34. This is used to take 'real-time' radiographs - used a lot in horses
increase density
fluoroscopy
calcium tungstate
whiter
35. What specific part of the eye is cloudy with a cataract
decrease scatter radiation
latent image
lens
non-screen
36. If there's bone in the way of an x-ray -. those parts would be
whiter
0.5mm
cathode and anode
fogging
37. The type of collimator that we have here
annulus fibrosis
adjustable lead shutters
highest mA and smallest time fraction
quantum mottle
38. The 2 types of collimators are
heel effect
10
lead cone and adjustable lead shutters
medium film
39. A clear protective layer on radiographic film
0.25mm
wide latitude film
14 x 17
supercoat
40. We should always try and stay How many feet from our x-ray machine
6 ft
false
10 cm
somatic damage
41. Types of grids
focused and unfocused or parallel
true
indirect relationship
thoracic(caudal) and lumbar
42. Give a 25% barium solution for upper GI series - and give At what dose?
thoracic(caudal) and lumbar
fast
3cc/#
15% rule for kVp
43. The electrical current sent through the filament to cause this electron release is called
metallic silver
milliamperage
grey
paresis
44. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
x-rays
screens (phosphor layer)
joint mouse
secondary
45. When the density difference is great - there is
visible light
high contrast
white and black are reversed
x-rays
46. Film that is more sensitive to ionizing radiation than to fluorescent light
no contrast
latent image
false
non-screen film
47. Extra vertebrae - scoliosis - fused vertebrae are all examples of
4 ft
no contrast
abnormalities
grid cutoff
48. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
heel effect
inflammation an granuloma
afterglow
white
49. Infection of a disk - or bone near it
diskospondylitis
grid cutoff
genetic and somatic
15
50. Lung tissue appears black (radiolucent) on a radiograph
1/30
true
2.5
potter-bucky diagram