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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. In which processing solution do unionized (green) AgBr crystals get removed from the film
double contrast
fixer
true
x-rays
2. Measures the power of penetrability (quality) of the x-rays produced
decrease scatter radiation
kVp
screen film
density
3. What is the difference between fluoroscopy and a regular radiograph
white and black are reversed
latent image
genetic damage
cervical
4. When more electrons hit the focal spot on the anode
mAs
more x-rays produced
AgBr
abnormalities
5. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing
fluoroscopy
reflective layer
potter-bucky diagram
intensifying screens
6. Extra vertebrae - scoliosis - fused vertebrae are all examples of
wide latitude film
film cassette
abnormalities
narrow latitude film
7. NYSVMS Facility Accreditation Standards
5
whiter
NYS Public Health Law #225
screens (phosphor layer)
8. These cells are the most sensitive to radiation
true
luxations
rapidly dividing
focal spot
9. Monitors personal exposure to radiation
caudal border of scapula
dosimeter
heel effect
silver halide
10. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms
cathode filament
collimator
x-rays
latent image
11. Refers to the 'blackness' of a radiograph
wide latitude film
15
heel effect
density
12. Hairloss or baldness
15 cm
false
alopecia
decrease scatter radiation
13. The type of collimator that we have here
secondary
grid cutoff
adjustable lead shutters
reflective layer
14. Grid helps reduce the amount of......
white
true
the higher the mA
scatter radiation
15. MAs for bone views (pelvis - skull - spine) 2x =?
10
nucleus pulposis
black
focal spot
16. Safe Operating Procedures
idiopathic
kVp or mAs
fixer
SOP
17. What type of cystogram uses air and hypaque
increase density
double contrast
peak kilovoltage
joint mouse
18. Ideally is very small
focal spot
clinical signs
electrons
screen film
19. Amount of radiation a person can recieve in a calendar year
Maximum Permissible Dose
alopecia
true
reflective layer
20. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
inverse square law
inversely proportional
false
heel effect
21. To double the density
idiopathic
fixer
nucleus pulposis
double mAs
22. With the heel effect - more x-rays tend to be produced toward the cathode end
pneumocystogram
true
milliamperage
focal spot
23. 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
electrons
scatter radiation
stops peristalsis
fluoroscopy
24. If barium leaks into the abdomen or lungs - it can cause what
focal spot
inflammation an granuloma
FFD
secondary
25. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation
increase density
screen film
movement
phosphor type
26. The layer of the film where the action occurs
erythema
x-rays
collimator
AgBr
27. When doing a lateral radiograph of the thorax/chest - the x-ray beam should be centered over what specific anatomical landmark
highest mA and smallest time fraction
line focus principle
film cassette
caudal border of scapula
28. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes
wide latitude film
grid cutoff
2
cathode and anode
29. Is to the left - electrons bounce off it at a 20 degree angle
grid cutoff
anode
peak kilovoltage
grid
30. Types of grids
2
nucleus pulposis
caudal border of scapula
focused and unfocused or parallel
31. Aluminum filter
cathode
decrease scatter radiation
false
reflective layer
32. Collimator
density
decrease scatter radiation
film cassette
primary
33. What specific part of the eye is cloudy with a cataract
reflective layer
true
lens
decrease scatter radiation
34. If the x-ray tube is not 36-40 inches from the grid - this is called the
diskospondylitis
14 x 17
grid cutoff
false
35. Incorrect grid focus is one reason for
black
focal film distance
grid cutoff
kVp
36. What type of film has the x-rays directly cause the latent image to be formed
non-screen
dosimeter
aluminum
osteomyelitis
37. What type of film has no screens or film cassettes
intensifying screens
focal film distance
non-screen
fixer
38. Has a negative charge
dosimeter
cathode
lens
long scale of contrast
39. Is the source of electrons
focal spot
x-rays
cathode
lens
40. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor
latent image
the sharper the radiograph
grid cutoff
more light
41. Has a filament made of tungsten - due to the high melting point
cathode and anode
stationary anode
kVp
screen film
42. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base
paresis
kVp or mAs
lines per centimeter
intensifying screens
43. Radiographic signs dont always agree with what
fogging
clinical signs
nucleus pulposis
double contrast
44. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
wide latitude film
intussusception
true
false
45. These screens have increased definition/detail - need to have increased radiation exposure
screens (phosphor layer)
5
white and black are reversed
slow
46. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
screen film
film cassette
milliamperage
collimator
47. Negative contrast agents appear what color on a radiograph
grid
no contrast
black
density
48. Sheets of luminescent phorphor crystals on a cardboard or plastic base
erythema
intensifying screens
lens
paralysis
49. Means more electrons will be released from the filament and directed at the anode
arthritis
genetic damage
cervical
higher mA
50. AgBr + x-rays =
collimator
true
quantum mottle
non-screen film