SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
milliamperage
screens (phosphor layer)
potter-bucky diagram
10 cm
2. Faster screens/less detail; slower screens/more detail
radiographic detail
focal spot
large crystals - small crystals
15 cm
3. Radiograph of a dogs skeleton has a long scale of contrast
2
kVp or mAs
false
rapidly dividing
4. With this procedure - no x-ray film is involved at all
screen film
fluoroscopy
false
anode
5. When a body part is greater than or equal to.....you should use a grid
movement
calcium tungstate
10 cm
kVp
6. Must change if the FFD changes
mAs
wobblers syndrome
density
intensifying screens
7. What are the 2 types of anodes
screens (phosphor layer)
calcium tungstate
black
stationary and rotating
8. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
quantum mottle
cassette
white
intensifying screens
9. What is the term for the spotty appearance on the film due to the large crystals in the screens
true
quantum mottle
metallic silver
cathode and anode
10. We ideally take a radiograph of the abdomen at the peak of inspiration
spondylosis
inverse square law
false
annulus fibrosis
11. If there's far or muscle in the way of an x-ray - those parts would be
whiter
grey
false
osteomyelitis
12. Dislocations or separations
6 ft
wide latitude film
luxations
increase scatter
13. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
40
false
density
latent image
14. Redness of the skin
true
erythema
40
non-screen
15. What type of film gives more detailed radiographs but more exposure to everyone involved? (commonly used as dental film - or for extremities)
double contrast
focal spot
white
non-screen
16. Is the most common artifact in radiography
grid efficiency
movement
collimator
lines per centimeter
17. Ideally is very small
hypaque
wobblers syndrome
focal spot
heel effect
18. Rotating anode
density
NYS Public Health Law #225
decrease scatter radiation
calcium tungstate
19. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
first trimester
collimator
indirect relationship
4 ft
20. Is the electrical current that heats the filament
medium or par
radiographic detail
milliamperage
reflective layer
21. Means more electrons will be released from the filament and directed at the anode
rotating anode
idiopathic
grid
higher mA
22. Amount of radiation a person can recieve in a calendar year
collimator
afterglow
15 cm
Maximum Permissible Dose
23. Sheets of luminescent phorphor crystals on a cardboard or plastic base
intensifying screens
false
decrease scatter radiation
increase density
24. The back of the cassette is made of lead to decrease....
back scatter
decrease scatter radiation
focal film distance
rapidly dividing
25. Measures the power of penetrability (quality) of the x-rays produced
stationary and rotating
kVp
direct relationship
rapidly dividing
26. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
lines per centimeter
radiograph
cathode
white
27. Why do we not give atropine with a contrast radiograph
screen film
stops peristalsis
alopecia
increase density
28. What gives off 4 times the amount of light photons than does the calcium tungstate (it gives off green light)
2
rare earth elements
false
sensitive cells
29. Weakness
stationary and rotating
highest mA and smallest time fraction
speed
paresis
30. As this increases - the intensity of the x-ray beam decreases - so the beam intensity increases - and the mAs must decrease to compensate
line focus principle
FFD
arthritis
black
31. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc
2.5
aluminum
stationary anode
15% rule for kVp
32. Is responsible for the number or quantity of x-rays
mAs
medium film
double contrast
heel effect
33. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
abnormalities
mAs
intussusception
fixer
34. Give a 25% barium solution for upper GI series - and give At what dose?
5
true
3cc/#
caudal border of scapula
35. What must have little or no 'afterglow'
inflammation an granuloma
false
screens (phosphor layer)
contrast
36. What is the term for a negative contrast cystogram where we inject air
grid cutoff
pneumocystogram
primary
phosphor layer dyes
37. We should always try and stay How many feet from our x-ray machine
2
6 ft
2.5
luxations
38. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
phosphor layer
caudal border of scapula
heel effect
black
39. The effective focal spot is approximately 1/3 the size of the actual focal spot
diskospondylitis
0.25mm
true
direct relationship
40. Positive contrast agents appear what color on a radiograph
white
cathode
3cc/#
true
41. When more electrons hit the focal spot on the anode
more x-rays produced
contrast
grey
rare earth elements
42. These screens have increased definition/detail - need to have increased radiation exposure
3cc/#
true
slow
true
43. This is inversely proportional to screen speed
0.5mm
kVp
the higher the mA
radiographic detail
44. If barium leaks into the abdomen or lungs - it can cause what
paresis
inflammation an granuloma
thoracic(caudal) and lumbar
false
45. There are......intensifying screens within a cassette
movement
x-rays
0.25mm
2
46. An abdominal radiograph should be taken at the peak of expiration
focal film distance
long scale of contrast
true
15% rule for kVp
47. Gelatinous center of disk - pinches spinal cord to cause herniated disk
nucleus pulposis
santes' rule
large crystals - small crystals
arthritis
48. Types of cell damage
fluoroscopy
intensifying screens
genetic and somatic
mAs
49. With what kind of typical film do we get 95% exposure due to visible light and 5% is due to the x-rays directly
FFD
screen film
2.5
film cassette
50. X-ray machines come with a set one - we cannot adjust it
14 x 17
screens (phosphor layer)
focal spot
fast film