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. If there's far or muscle in the way of an x-ray - those parts would be
unexposed AgBr
pneumocystogram
grey
increase scatter
2. Screens are classified according to
idiopathic
10 cm
stationary and rotating
speed
3. With the heel effect - more x-rays tend to be produced toward the cathode end
focal spot
diskospondylitis
true
grid cutoff
4. Film that is more sensitive to ionizing radiation than to fluorescent light
genetic and somatic
grid focus
black
non-screen film
5. Between density and mAs
erythema
direct relationship
AgBr
fogging
6. Radiograph of a dogs skeleton has a long scale of contrast
false
10 cm
fluoroscopy
direct relationship
7. Loss of movement in legs (front and/or back)
silver halide
whiter
caudal border of scapula
paralysis
8. 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
black
cathode filament
highest mA and smallest time fraction
focused and unfocused or parallel
9. Pigments tend to decrease the lateral spread of light so there is increased detail
white and black are reversed
silver halide
15% rule for kVp
phosphor layer dyes
10. Types of cell damage
focused and unfocused or parallel
reflective layer
genetic and somatic
medium or par
11. Is on the anode and is angled at approximately 20 degrees from vertical
grid cutoff
somatic damage
focal spot
increase density
12. If the grid is stationary - more lines that are finer are less apt to show up on a radiograph - this is called....
lines per centimeter
scatter radiation
6 ft
alopecia
13. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
heel effect
somatic damage
0.25mm
false
14. Monitors personal exposure to radiation
fogging
double contrast
increase density
dosimeter
15. Improper centering of grid is one reason for
grid cutoff
NYS Public Health Law #225
false
phosphor type
16. Sheets of luminescent phorphor crystals on a cardboard or plastic base
medium film
non-screen film
intensifying screens
grey
17. Is the density difference between 2 adjacent areas on a radiograph
light source
contrast
grid cutoff
calcium tungstate
18. Is responsible for the number or quantity of x-rays
mAs
black
fixer
grid cutoff
19. Measures the power of penetrability (quality) of the x-rays produced
increase density
silver halide
kVp
fast
20. 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
highest mA and smallest time fraction
white and black are reversed
grid
large crystals - small crystals
21. Is to the right - it produces the electrons
stationary and rotating
black
cathode
arthritis
22. Ideally is very small
joint mouse
focal spot
fluoroscopy
increase scatter
23. These crystals will turn white/clear when processing film
anode
unexposed AgBr
true
SOP
24. DJD is also called
indirect relationship
wide latitude film
light source
arthritis
25. NYSVMS Facility Accreditation Standards
focal spot
grid cutoff
NYS Public Health Law #225
intussusception
26. Means more electrons will be released from the filament and directed at the anode
genetic damage
genetic and somatic
mAs
higher mA
27. 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
anode
joint mouse
white
28. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
2.5
x-rays
0.25mm
grid cutoff
29. Give a 25% barium solution for upper GI series - and give At what dose?
stops peristalsis
3cc/#
focal spot
unexposed AgBr
30. What must have little or no 'afterglow'
short scale of contrast
potter-bucky diagram
screens (phosphor layer)
5
31. Screen speed is.....to the exposure required to cause it to flouresce
caudal border of scapula
x-rays
inversely proportional
contrast
32. AgBr + x-rays =
10 cm
the sharper the radiograph
latent image
non-screen film
33. Between density and kVp
false
hypaque
true
indirect relationship
34. Why do we not give atropine with a contrast radiograph
highest mA and smallest time fraction
4 ft
stops peristalsis
10
35. MAs for chest 1/2x =?
anode
2.5
primary
fast
36. X-ray gloves have to have....of lead equivalent
screens (phosphor layer)
adjustable lead shutters
0.5mm
arthritis
37. The back of the cassette is made of lead to decrease....
back scatter
2.5
stops peristalsis
grid
38. The exact area of the anode that the electrons hit
rotating anode
reflective layer
abnormalities
focal spot
39. The effective focal spot is only 1/3 the size of the actual focal spot. this is called the
fast film
lead cone and adjustable lead shutters
inflammation an granuloma
line focus principle
40. What type of film has the x-rays directly cause the latent image to be formed
non-screen
supercoat
indirect relationship
15 cm
41. Is determined by the ratio of the height of the lead strips to the distance between them
grid focus
grid efficiency
diskospondylitis
paresis
42. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)
kVp or mAs
non-screen
radiographic detail
intensifying screens
43. Film with: high detail - minimal graininess - increased exposure
arthritis
slow film
false
decrease scatter radiation
44. If the kVp is too high
density
increase scatter
10 cm
dosimeter
45. What specific part of the eye is cloudy with a cataract
lens
decrease scatter radiation
unexposed AgBr
increase density
46. The mAs has to do with the power of the x-rays produced
medium or par
santes' rule
cathode
false
47. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc
lead cone and adjustable lead shutters
aluminum
silver halide
phosphor layer
48. The shorter the wavelength of the x-ray - the more powerful the x-ray is
true
fluoroscopy
fluoroscopy
false
49. Increase developing time and temp of developing fluid
0.5mm
anode
slow
increase density
50. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)
black
thoracic(caudal) and lumbar
fixer
somatic damage