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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. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS
genetic and somatic
x-rays
false
lead cone and adjustable lead shutters
2. White against black - like the x-ray of a plain skeleton
radiograph
short scale of contrast
lens
15
3. The greater the number of electrons released
short scale of contrast
unexposed AgBr
the higher the mA
0.5mm
4. Safe Operating Procedures
SOP
non-screen film
latent image
highest mA and smallest time fraction
5. Is determined by the ratio of the height of the lead strips to the distance between them
grid efficiency
15 cm
mAs
reflective layer
6. Lead equivalent for apron
stationary anode
0.25mm
true
15 cm
7. Rotating anode
more light
Maximum Permissible Dose
false
decrease scatter radiation
8. Hairloss or baldness
alopecia
intensifying screens
narrow latitude film
dosimeter
9. X-ray gloves have to have....of lead equivalent
kVp
0.5mm
arthritis
false
10. General purpose film - forgiving
cathode filament
short scale of contrast
first trimester
wide latitude film
11. With this procedure - no x-ray film is involved at all
fluoroscopy
silver halide
15
true
12. Is to the left - electrons bounce off it at a 20 degree angle
santes' rule
anode
scatter radiation
non-screen
13. We are supposed to use a grid if the abdomen is greater than or equal to......
the higher the mA
movement
10 cm
sensitive cells
14. MAs for abdomen (standard mAs) x=?
10 cm
5
more light
phosphor type
15. Gelatinous center of disk - pinches spinal cord to cause herniated disk
line focus principle
nucleus pulposis
cathode
screen film
16. Refers to the 'blackness' of a radiograph
heel effect
15% rule for kVp
density
mAs
17. A grid must be used on the chest if it's 11cm thick
aluminum
peak kilovoltage
no contrast
false
18. What specific part of the eye is cloudy with a cataract
black
white and black are reversed
lens
fogging
19. A layer of intensifying screen that reflects the light from the phosphor layer toward the film
rapidly dividing
reflective layer
thoracic(caudal) and lumbar
white and black are reversed
20. What is one of the most common area of occurance for spinal problems (15% dobermans)
rapidly dividing
white
cervical
spondylosis
21. The focused grid is upside down - is one reason for
true
focal film distance
kVp
grid cutoff
22. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube
inversely proportional
mAs
non-screen
heel effect
23. Types of cell damage
speed
genetic and somatic
non-screen
screens (phosphor layer)
24. The 2 types of collimators are
scatter radiation
lead cone and adjustable lead shutters
afterglow
intensifying screens
25. The picture formed after the film has been exposed to x-rays and then processed into a visible image.
cassette
radiograph
lines per centimeter
0.25mm
26. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine
15
whiter
collimator
rapidly dividing
27. Increased crystal size.....
peak kilovoltage
more light
film cassette
phosphor layer
28. Amount of radiation a person can recieve in a calendar year
Maximum Permissible Dose
cassette
false
collimator
29. If the thorax is greater than or equal to....you should use a grid
15 cm
wide latitude film
phosphor layer dyes
grid focus
30. Is the density difference between 2 adjacent areas on a radiograph
contrast
false
nucleus pulposis
iodine
31. Between density and mAs
non-screen film
non-screen
clinical signs
direct relationship
32. What type of bone tumors started elsewhere and spread to the location it was found
true
secondary
large crystals - small crystals
false
33. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage
intussusception
fast
false
false
34. If the kVp is too high
grid cutoff
increase scatter
short scale of contrast
first trimester
35. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells
rapidly dividing
collimator
lines per centimeter
effective focal spot
36. With the heel effect - more x-rays tend to be in the beam toward this end of the tube
6 ft
grid efficiency
cathode
AgBr
37. What spinal problem do doberman's get
wobblers syndrome
wide latitude film
decrease scatter radiation
caudal border of scapula
38. These cells are the most sensitive to radiation
the sharper the radiograph
film cassette
large crystals - small crystals
rapidly dividing
39. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the
inverse square law
line focus principle
decrease scatter radiation
latent image
40. Must change if the FFD changes
screens (phosphor layer)
mAs
focal spot
paralysis
41. This is inversely proportional to screen speed
5
slow
radiographic detail
whiter
42. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed
density
medium film
luxations
grid cutoff
43. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact
secondary
cassette
nucleus pulposis
cathode
44. We should always try and stay How many feet from our x-ray machine
6 ft
false
cathode
decrease scatter radiation
45. Calcium 'bridges' between adjacent vertebrae
dosimeter
diskospondylitis
fast film
spondylosis
46. Infection of a disk - or bone near it
more light
cassette
diskospondylitis
white and black are reversed
47. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc
inverse square law
light source
decrease scatter radiation
aluminum
48. These screens have increased definition/detail - need to have increased radiation exposure
slow
true
heel effect
reflective layer
49. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?
white
medium or par
1/30
inverse square law
50. Screen speed is.....to the exposure required to cause it to flouresce
inversely proportional
more x-rays produced
milliamperage
6 ft