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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 more electrons hit the focal spot on the anode
luxations
black
more x-rays produced
reflective layer
2. Between density and mAs
direct relationship
secondary
abnormalities
high contrast
3. NYSVMS Facility Accreditation Standards
true
NYS Public Health Law #225
supercoat
rapidly dividing
4. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
radiograph
true
grid
short scale of contrast
5. Is to the left - electrons bounce off it at a 20 degree angle
anode
true
15
screen film
6. Amount of radiation a person can recieve in a calendar year
secondary
focal spot
stationary and rotating
Maximum Permissible Dose
7. The type of collimator that we have here
2.5
grid efficiency
adjustable lead shutters
first trimester
8. X-ray gloves have to have....of lead equivalent
4 ft
0.5mm
2.5
focal spot
9. This gives you the desired mAs - and it gives less time for your patient to move
caudal border of scapula
false
FFD
highest mA and smallest time fraction
10. This is used to take 'real-time' radiographs - used a lot in horses
cathode
milliamperage
intensifying screens
fluoroscopy
11. Infection of a disk - or bone near it
diskospondylitis
lead cone and adjustable lead shutters
adjustable lead shutters
fluoroscopy
12. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?
kVp
1/30
rapidly dividing
erythema
13. When processing film - the black areas are made of
cathode
lines per centimeter
metallic silver
false
14. Screen speed is.....to the exposure required to cause it to flouresce
2
intensifying screens
non-screen
inversely proportional
15. Tilting of the tube or grid is one reason for
increase scatter
grid cutoff
slow
decrease scatter radiation
16. The electrical current sent through the filament to cause this electron release is called
10 cm
milliamperage
density
contrast
17. When this is exposed to x-rays - it will absorb photons (quanta) and give off photons of visible light which the film is sensitive to (give off blue light)
no contrast
first trimester
calcium tungstate
hyperesthesia
18. Why do we not give atropine with a contrast radiograph
increase scatter
stops peristalsis
true
focal spot
19. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
primary
rapidly dividing
grid cutoff
anode
20. What type of cystogram uses air and hypaque
intensifying screens
cathode
cathode filament
double contrast
21. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
intussusception
non-screen
grid cutoff
hypaque
22. Is responsible for the number or quantity of x-rays
false
double mAs
mAs
wide latitude film
23. Pigments tend to decrease the lateral spread of light so there is increased detail
mAs
kVp
phosphor layer dyes
lines per centimeter
24. When the density difference is great - there is
whiter
increase scatter
high contrast
anode
25. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be
scatter radiation
decrease scatter radiation
white
more light
26. Size film we use here
black
false
focused and unfocused or parallel
14 x 17
27. If barium leaks into the abdomen or lungs - it can cause what
false
spondylosis
inflammation an granuloma
increase density
28. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid
mAs
Maximum Permissible Dose
joint mouse
more light
29. Rotating anode
nucleus pulposis
false
narrow latitude film
decrease scatter radiation
30. MAs for abdomen (standard mAs) x=?
screens (phosphor layer)
stationary anode
5
adjustable lead shutters
31. Give a 25% barium solution for upper GI series - and give At what dose?
focal spot
phosphor layer dyes
3cc/#
alopecia
32. What specific part of the eye is cloudy with a cataract
more light
6 ft
lens
indirect relationship
33. A grid must be used on the chest if it's 11cm thick
grid cutoff
false
aluminum
lead cone and adjustable lead shutters
34. Extra pain is also called
black
sensitive cells
secondary
hyperesthesia
35. When a body part is greater than or equal to.....you should use a grid
hypaque
cathode
fogging
10 cm
36. If the kVp is increased by 15% - the density is doubled
decrease scatter radiation
afterglow
15% rule for kVp
5
37. 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
rare earth elements
electrons
grid focus
14 x 17
38. Distance from the grid to the x-ray tube (36-40 inches)
afterglow
wobblers syndrome
grid focus
kVp
39. MAs for extremities
paresis
adjustable lead shutters
false
5
40. Dislocations or separations
screens (phosphor layer)
direct relationship
luxations
wide latitude film
41. If there's no object in the way of an x-ray - the picture would be
false
annulus fibrosis
black
phosphor layer
42. Sheets of luminescent phorphor crystals on a cardboard or plastic base
non-screen
intensifying screens
light source
cathode
43. Within the collimator outlines just how much is collimated
light source
false
rapidly dividing
line focus principle
44. If perforation is suspected - what compound do we use when radiographing
iodine
decrease scatter radiation
back scatter
non-screen
45. Redness of the skin
spondylosis
joint mouse
erythema
reflective layer
46. These screens have increased definition/detail - need to have increased radiation exposure
0.5mm
slow
idiopathic
false
47. Incorrect grid focus is one reason for
screens (phosphor layer)
kVp
grid cutoff
highest mA and smallest time fraction
48. Faster screens/less detail; slower screens/more detail
fluoroscopy
large crystals - small crystals
x-rays
clinical signs
49. What type of bone tumors started in the location they were first found
fast
luxations
primary
paresis
50. To double the density
non-screen
rapidly dividing
double mAs
back scatter
Can you answer 50 questions in 15 minutes?
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