SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
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. Has a filament made of tungsten - due to the high melting point
x-rays
kVp
cathode and anode
screen film
2. Sheets of luminescent phorphor crystals on a cardboard or plastic base
rapidly dividing
grid
the sharper the radiograph
intensifying screens
3. In which processing solution do unionized (green) AgBr crystals get removed from the film
indirect relationship
15
6 ft
fixer
4. The 2 types of collimators are
lead cone and adjustable lead shutters
potter-bucky diagram
true
false
5. AgBr + x-rays =
rapidly dividing
screen film
non-screen film
fluoroscopy
6. If the x-ray tube is not 36-40 inches from the grid - this is called the
grid cutoff
aluminum
false
high contrast
7. We ideally take a radiograph of the abdomen at the peak of inspiration
false
stops peristalsis
slow
visible light
8. In the dark room - the safe light (red light) needs to be at least how far away from the loading bench
4 ft
no contrast
afterglow
grid cutoff
9. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
collimator
latent image
double mAs
unexposed AgBr
10. These screens have increased definition/detail - need to have increased radiation exposure
light source
slow
mAs
15 cm
11. Is the source of electrons
radiographic detail
cathode
rapidly dividing
annulus fibrosis
12. If the kVp is too low
no contrast
peak kilovoltage
wide latitude film
cassette
13. Between density and kVp
first trimester
0.25mm
aluminum
indirect relationship
14. A living animal - with tissue densities such as fat - muscle - fluid - and air
long scale of contrast
intensifying screens
cathode filament
cervical
15. Calcium 'bridges' between adjacent vertebrae
medium film
spondylosis
non-screen film
intensifying screens
16. Is to the right - it produces the electrons
cathode
double mAs
grid cutoff
diskospondylitis
17. MAs for extremities
true
screens (phosphor layer)
5
10 cm
18. With the heel effect - more x-rays tend to be produced toward the cathode end
true
focal spot
quantum mottle
arthritis
19. A grid must be used on the chest if it's 11cm thick
calcium tungstate
screen film
10 cm
false
20. Radiographic signs dont always agree with what
medium or par
AgBr
clinical signs
non-screen
21. Infection of a disk - or bone near it
diskospondylitis
cassette
true
cathode
22. Types of cell damage
6 ft
genetic and somatic
double contrast
indirect relationship
23. These screens are high speed - they decrease exposure - poorer detail - able to penetrate thicker areas
4 ft
true
fast
cathode
24. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
thoracic(caudal) and lumbar
stationary and rotating
stationary anode
focal spot
25. What type of bone tumors started in the location they were first found
focal spot
decrease scatter radiation
white
primary
26. What spinal problem do doberman's get
first trimester
wobblers syndrome
true
density
27. Is to the left - electrons bounce off it at a 20 degree angle
true
nucleus pulposis
increase density
anode
28. AgBr + light =
the sharper the radiograph
screen film
clinical signs
6 ft
29. With what kind of typical film do we get 95% exposure due to visible light and 5% is due to the x-rays directly
screen film
double contrast
non-screen
3cc/#
30. The x-ray machine we've been using has a rotating anode
true
erythema
false
radiographic detail
31. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced
mAs
indirect relationship
kVp
false
32. The electrical current sent through the filament to cause this electron release is called
milliamperage
rare earth elements
pneumocystogram
grid cutoff
33. Collimator
decrease scatter radiation
non-screen film
0.5mm
fast film
34. This stage of pregnancy is the most dangerous for the fetus
first trimester
milliamperage
nucleus pulposis
focal spot
35. Dislocations or separations
true
heel effect
40
luxations
36. We should always try and stay How many feet from our x-ray machine
light source
6 ft
white
grid cutoff
37. Is the measurement for the maximum energy available at that setting
visible light
grid efficiency
peak kilovoltage
unexposed AgBr
38. Faster screens/less detail; slower screens/more detail
fluoroscopy
large crystals - small crystals
line focus principle
grid
39. What is one of the most common area of occurance for spinal problems (15% dobermans)
grid cutoff
non-screen
cervical
movement
40. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
heel effect
rapidly dividing
higher mA
more light
41. Why do we not give atropine with a contrast radiograph
hypaque
40
stops peristalsis
santes' rule
42. When the density difference is great - there is
idiopathic
high contrast
abnormalities
non-screen
43. The layer of the film where the action occurs
secondary
long scale of contrast
radiographic detail
AgBr
44. Increase mAs and kVp in order to...
peak kilovoltage
unexposed AgBr
nucleus pulposis
increase density
45. Must change if the FFD changes
mAs
heel effect
paralysis
true
46. What must have little or no 'afterglow'
radiographic detail
screens (phosphor layer)
inflammation an granuloma
inversely proportional
47. Extra pain is also called
hyperesthesia
false
paresis
increase scatter
48. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used
screens (phosphor layer)
x-rays
true
fast
49. Gelatinous center of disk - pinches spinal cord to cause herniated disk
nucleus pulposis
4 ft
density
phosphor layer
50. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
x-rays
false
peak kilovoltage
reflective layer