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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. NYSVMS Facility Accreditation Standards
NYS Public Health Law #225
inversely proportional
x-rays
radiograph
2. Measures the power of penetrability (quality) of the x-rays produced
5
kVp
inversely proportional
milliamperage
3. What specific part of the eye is cloudy with a cataract
mAs
alopecia
10
lens
4. Old mAs x (new FFD)2 divided by (old FFD)2
cathode
back scatter
inverse square law
focused and unfocused or parallel
5. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
latent image
the higher the mA
osteomyelitis
lens
6. Is to the right - it produces the electrons
inverse square law
no contrast
screens (phosphor layer)
cathode
7. Means more electrons will be released from the filament and directed at the anode
cathode filament
grid efficiency
primary
higher mA
8. Infection of a disk - or bone near it
no contrast
thoracic(caudal) and lumbar
indirect relationship
diskospondylitis
9. Affects both density and contrast
lines per centimeter
film cassette
slow film
kVp
10. The 2 types of collimators are
medium film
lead cone and adjustable lead shutters
15 cm
grid cutoff
11. The mAs has to do with the power of the x-rays produced
santes' rule
visible light
false
14 x 17
12. Radiographic signs dont always agree with what
clinical signs
cathode
NYS Public Health Law #225
false
13. Between density and mAs
dosimeter
visible light
direct relationship
heel effect
14. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
thoracic(caudal) and lumbar
inverse square law
intussusception
x-rays
15. What is the term for the spotty appearance on the film due to the large crystals in the screens
latent image
NYS Public Health Law #225
cervical
quantum mottle
16. If the kVp is too low
medium film
no contrast
screens (phosphor layer)
more x-rays produced
17. A grid must be used on the chest if it's 11cm thick
more light
non-screen film
false
NYS Public Health Law #225
18. Has a negative charge
cathode
thoracic(caudal) and lumbar
stationary anode
heel effect
19. When the density difference is great - there is
rapidly dividing
high contrast
slow
5
20. What spinal problem do doberman's get
milliamperage
wobblers syndrome
kVp or mAs
false
21. Most commonly used film - compromise between graininess and speed (detail)
milliamperage
cervical
cassette
medium film
22. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton
false
increase density
10 cm
non-screen
23. These crystals will turn white/clear when processing film
unexposed AgBr
whiter
silver halide
high contrast
24. Gelatinous center of disk - pinches spinal cord to cause herniated disk
focal spot
joint mouse
kVp or mAs
nucleus pulposis
25. Safe Operating Procedures
the sharper the radiograph
false
SOP
erythema
26. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed
white and black are reversed
sensitive cells
x-rays
dosimeter
27. A living animal - with tissue densities such as fat - muscle - fluid - and air
intussusception
grid
long scale of contrast
cathode
28. If the thorax is greater than or equal to....you should use a grid
peak kilovoltage
15 cm
stationary and rotating
10
29. Radiograph of a dogs skeleton has a long scale of contrast
paralysis
false
15% rule for kVp
inverse square law
30. Distance from the grid to the x-ray tube (36-40 inches)
focused and unfocused or parallel
effective focal spot
focal spot
grid focus
31. Is the electrical current that heats the filament
milliamperage
intensifying screens
cassette
grid
32. General purpose film - forgiving
15 cm
cathode
wide latitude film
black
33. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
non-screen film
15
joint mouse
intensifying screens
34. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?
4 ft
sensitive cells
screen film
black
35. Refers to the 'blackness' of a radiograph
cathode
latent image
x-rays
density
36. Crystals + x-rays = ?
wobblers syndrome
visible light
genetic and somatic
radiograph
37. This gives you the desired mAs - and it gives less time for your patient to move
highest mA and smallest time fraction
focal spot
somatic damage
focused and unfocused or parallel
38. Hairloss or baldness
alopecia
joint mouse
black
heel effect
39. If barium leaks into the abdomen or lungs - it can cause what
10 cm
decrease scatter radiation
the higher the mA
inflammation an granuloma
40. 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)
grid
non-screen film
calcium tungstate
focused and unfocused or parallel
41. The smaller the focal spot
the sharper the radiograph
decrease scatter radiation
fogging
anode
42. We ideally take a radiograph of the abdomen at the peak of inspiration
false
increase density
cervical
fluoroscopy
43. What type of cystogram uses air and hypaque
fluoroscopy
whiter
double contrast
large crystals - small crystals
44. The effective focal spot is only 1/3 the size of the actual focal spot. this is called the
genetic and somatic
line focus principle
film cassette
mAs
45. Is the density difference between 2 adjacent areas on a radiograph
contrast
wobblers syndrome
paralysis
phosphor layer
46. Redness of the skin
electrons
erythema
radiograph
lens
47. Extra pain is also called
hyperesthesia
fluoroscopy
latent image
screens (phosphor layer)
48. What type of films need a lot more x-ray exposure and more time to expose them
non-screen
potter-bucky diagram
inversely proportional
milliamperage
49. Positive contrast agents appear what color on a radiograph
10 cm
electrons
white
pneumocystogram
50. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
NYS Public Health Law #225
potter-bucky diagram
non-screen film
effective focal spot